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How is the integrated system of vehicular networking called that enables vehicles to communicate with each other and beyond? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. Vehicle-to-vehicle (V2V) 1. Vehicle-to-pedestrian (V2P) 2. Vehicle-to-infrastru...
Explanation: Vehicle-to-everything (V2X) is a comprehensive communication system that enables vehicles to exchange information with other vehicles, pedestrians, and infrastructure. Answer: 4
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What do the regulations for UAV (Unmanned Aerial Vehicle) operations depend on? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. UAV type, spectrum, altitude, and speed of UAVs. 1. UAV capabilities, their flying altitudes, and altitude restrictions for ...
Explanation: UAV operations are governed by a comprehensive set of regulations that include legal applicability, operational limitations, administrative procedures, technical standards, and ethical considerations to ensure safe and responsible use. Answer: 3
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Which data is required as feedback for mobility optimization? [3GPP Release 17] Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. QoS parameters of the handed-over UE 1. Resource status information updates from target NG-RAN 2. Performance information fr...
Explanation: Feedback for mobility optimization in 3GPP Release 17 includes QoS parameters, resource status, performance, and UE mobility information to enable efficient handover and network resource management. Answer: 4
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What does a Frame OBU (open bit-stream unit) consist of in AV1? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. The frame header and tile data 1. The coding information for a given frame 2. Information that applies to the entire sequence 3. Metadata su...
Explanation: A Frame OBU contains the coding information necessary to decode a single frame, including both the frame header and the associated tile data. Answer: 1
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Which specification defines Lawful Interception functionality? [3GPP Release 18] Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. TS 22.261 1. TS 23.401 2. TS 24.501 3. TS 33.126 4. TS 38.300
Explanation: TS 24.501 defines the technical specifications for Lawful Interception in 5G systems, including the interface and procedures for lawful interception of user data and signaling. Answer: 2
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When does a mobile station enter the GMM-DEREGISTERED state? [3GPP Release 18] Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. When a GPRS attach or combined GPRS attach procedure is performed 1. When a GMM procedure has failed 2. When a GPRS detach or...
Explanation: The mobile station enters the GMM-DEREGISTERED state when a GPRS detach or combined GPRS detach procedure is performed, indicating that the MS has been explicitly detached from the network. Answer: 2
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What is one of the difficulties encountered when explaining deep neural networks? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. High prediction power 1. Linear nature of the models 2. Limited nonlinearity 3. Multiscale and distributed nature of neura...
Explanation: The multiscale and distributed nature of neural network representations makes it difficult to interpret how specific inputs lead to specific outputs, as features are spread across many layers and neurons. Answer: 3
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What is the purpose of the PDCP (packet data convergence protocol) layer in LTE? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. To improve mobility robustness during handover 1. To perform header compression and integrity protection 2. To support both...
Explanation: The PDCP layer in LTE performs header compression and integrity protection for both user and control plane data. Answer: 1
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Which entities can consume Management Data Analytics Service (MDAS)? [3GPP Release 17] Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. MnFs, NFs, SON functions, SLS assurance functions, human operators, and AFs 1. MnS producers, NWDAF, network and serv...
Explanation: MDAS provides analytics capabilities to various network functions and external entities to support network and service management decisions. Answer: 1
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What is the purpose of vehicular communication networks (VANETs)? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. Enhancing road safety 1. Managing traffic 2. Providing mobile data services 3. Assisting self-driving 4. All of the above
Explanation: Vehicular communication networks (VANETs) enable vehicles to exchange information with each other and with infrastructure to improve safety, traffic management, and autonomous driving capabilities. Answer: 4
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What case is described in TS 38.304 for PLMN selection? [3GPP Release 17] Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. E-UTRA and NB-IoT case 1. UTRA case 2. GSM case 3. CDMA2000 case 4. NR case
Explanation: TS 38.304 defines the PLMN selection procedure for 5G NR networks, including the selection of a PLMN based on network registration and access conditions. Answer: 4
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What does deController refer to? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. A decentralized social media platform. 1. A blockchain-based identity verification system. 2. A network infrastructure controller for Web3. 3. A privacy-focused search eng...
Explanation: deController refers to a network infrastructure controller designed to manage and govern decentralized networks in the context of Web3. Answer: 2
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What does the acronym OPEX stand for? [ETSI NFV Release 5] Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. Open Expansion 1. Operational Expenditure 2. Organiational Performance Evaluation 3. Optical Extender 4. Otherworldly Performance Enhancement X-f...
Explanation: OPEX stands for Operational Expenditure, which refers to the ongoing costs associated with running a business or network operations. Answer: 1
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What is the main benefit of caching popular content at edge routers? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. Optimized routing decisions 1. Improved network security 2. Increased network capacity 3. Reduced latency
Explanation: Caching popular content at edge routers reduces the distance data must travel, allowing users to access content faster. Answer: 3
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What mapping service does SDAP (Service Data Adaptation Protocol) provide in NR SL (Sidelink)? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. Mapping between QoS flow and SL Data Radio Bearer (SL-DRB) 1. Mapping between logical channels and transport ...
Explanation: SDAP in NR SL provides the mapping between QoS flows and SL Data Radio Bearers (SL-DRBs) to enable efficient data transmission in sidelink scenarios. Answer: 0
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What does O-RAN stand for? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. Open Fronthaul 1. Open RAN Town 2. Operating System 3. Open Networking Automation Platform 4. Open Radio Access Network
Explanation: O-RAN stands for Open Radio Access Network, a standard that promotes interoperability and openness in radio access network technologies. Answer: 4
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Which approach can be used to integrate multiple local maps provided by other vehicles to generate a global map? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. Federated Learning 1. Joint Device-Edge Inference 2. Map Merging 3. Decentralized SLAM
Explanation: Map merging combines local map data from multiple vehicles to create a consistent and comprehensive global map. Answer: 2
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What does Invocation-to-Release Priority Treatment include? [3GPP Release 18] Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. Priority treatment during session release only 1. Priority treatment during session invocation only 2. Priority treatment duri...
Explanation: Invocation-to-Release Priority Treatment ensures that data packets are given higher priority during both the establishment (invocation) and termination (release) of a session. Answer: 2
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What is the purpose of the TSC (Training Sequence Code) in TKIP? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. To protect against replay attacks 1. To generate the RC4 key 2. To encrypt the transmitted data 3. To encode the MAC address values 4. To g...
Explanation: The TSC (Training Sequence Code) in TKIP is used to generate a dynamic encryption key for each packet, ensuring that the same plaintext does not produce the same ciphertext and enhancing security against certain types of attacks. Answer: 4
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What is the definition of Edge Hosting Environment? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. A DNS resolver/server responsible for resolving UE DNS Queries into suitable EAS IP address(es) within the local DN. 1. An Application Server resident i...
Explanation: An Edge Hosting Environment is a local network setup that provides the necessary infrastructure and resources to support the execution of Edge Application Servers. Answer: 2
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Which type of neural network is composed of several independent ANNs (artificial neural networks) and an intermediary? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. Recurrent neural networks 1. Modular neural networks 2. Generative adversarial networ...
Explanation: Modular neural networks consist of several independent artificial neural networks that work together through an intermediary layer or structure to process information. Answer: 1
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What does S-GW stand for? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. Selected Gateway 1. Serving Gateway 2. System Gateway 3. Special Gateway 4. Selected System
Explanation: S-GW stands for Serving Gateway, a network node in LTE that acts as a data transfer point between the user equipment and the packet data network gateway. Answer: 1
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Which type of neural network allows connections from a neuron in one layer to neurons in previous layers? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. Modular neural networks 1. Recurrent neural networks 2. Generative adversarial networks 3. Deep ne...
Explanation: Recurrent neural networks allow connections from a neuron in one layer to neurons in previous layers, enabling information to be passed backward in time. Answer: 1
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What is the theoretical weakness in RC4 that is exploited in attacks on WEP? [IEEE 802.11] Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. Vulnerability to keystream analysis 1. Weak IV selection 2. Inadequate key length 3. Weakness in the key scheduli...
Explanation: RC4's key scheduling algorithm produces a weak and predictable initial keystream, which can be exploited to recover the secret key in WEP attacks. Answer: 3
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What is the main purpose of network compression? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. To reduce information leakage 1. To accelerate learning 2. To prevent overfitting 3. To save communication resources
Explanation: Network compression reduces the amount of data that needs to be transmitted between nodes, thereby saving communication resources. Answer: 3
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What is NTDD? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. A unit of data passed between the user and the GPRS network across a Network Service Access Point 1. A protocol independent model describing managed objects representing network resources 2....
Explanation: NTDD stands for Narrowband TDD, specifically referring to a 1.28 Mcps chip rate option in UTRA-TDD technology. Answer: 3
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What is the purpose of the enhancement of the 3GPP management system? [3GPP Release 16] Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. To enhance the network slicing interworking support from EPC to 5GC 1. To enhance the performance assurance for 5G n...
Explanation: The enhancement aims to support diverse business scenarios through flexible and scalable network slicing capabilities within the 3GPP system. Answer: 2
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What are the main advantages of providing per-use-case NSIs? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. Improved quality of experience (QoE) for tenants 1. Empowered business flexibility for tenants 2. Efficient allocation of physical and virtual ...
Explanation: Per-use-case Network Service Instances (NSIs) allow tenants to tailor network services precisely to their specific application or use case, enabling greater customization, operational efficiency, and alignment with business requirements. Answer: 3
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In which bearer option is the S1-U connection terminated in the MeNB? [3GPP Release 17] Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. Split bearer 1. SCG bearer 2. MCG bearer 3. Primary bearer
Explanation: In 3GPP Release 17, the S1-U connection for a split bearer is terminated in the MeNB when the user plane is split between the MeNB and the gNB. Answer: 0
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What is the maximum entropy rate process satisfying the constraint I(Xn;Xn+2) = 0 for all n? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. First-order Markov process 1. Second-order Markov process 2. Third-order Markov process 3. Fourth-order Markov ...
Explanation: The constraint I(Xn;Xn+2) = 0 implies that the value of Xn provides no information about Xn+2, which means the process must be such that future states depend only on the immediate past, and not on states two steps ahead. This is satisfied only if the process has no memory beyond one step, i.e., it is a fir...
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What is the purpose of over-the-air computation (AirComp) in federated machine learning? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. To enable automated data transmission 1. To offer ubiquitous wireless connectivity 2. To reduce the learning latenc...
Explanation: Over-the-air computation (AirComp) in federated machine learning leverages wireless interference to combine model updates from multiple devices directly in the air, enabling efficient and low-latency aggregation without requiring data offloading to a central server. Answer: 3
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What are the three main components of the CHRON (Cognitive Heterogeneous Reconfigurable Dynamic Optical Network) architecture? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. Monitoring elements, software adaptable elements, and cognitive processes 1. ...
Explanation: The CHRON architecture is designed to enable dynamic, intelligent network reconfiguration through cognitive functions, heterogeneous components, and adaptive software. Answer: 0
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In URLLC, is deterministic medium access more likely to be adopted than random medium access? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. Yes 1. No
Explanation: Deterministic medium access ensures predictable and guaranteed access to the channel, which is critical for URLLC applications requiring low latency and high reliability. Answer: 0
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What is the purpose of the padding bits in an Ethernet frame data field? [IEEE 802.3] Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. To identify the destination address 1. To identify the source address 2. To reach the minimum required length of 46 by...
Explanation: The padding bits ensure the Ethernet frame data field meets the minimum required length of 46 bytes to maintain proper frame structure and compatibility with the physical layer. Answer: 2
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What does priority treatment refer to? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. Mechanisms and features that prioritize multimedia telephony services 1. Mechanisms and features for seamless WLAN offload 2. Mechanisms and features that increase t...
Explanation: Priority treatment refers to mechanisms that ensure certain network services or sessions are given higher priority in terms of bandwidth, latency, and resource allocation to improve their performance and reliability. Answer: 2
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What are the key connectivity requirements for regulated cooperative intelligent transportation systems? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. High data rate and low latency connections 1. Ultra-reliable and low latency communications 2. Anon...
Explanation: Regulated cooperative intelligent transportation systems require dependable, real-time communication to ensure safety, coordination, and responsiveness among vehicles and infrastructure. Answer: 1
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What is DNS in networking? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. Dynamic Network Security 1. Data Network Service 2. Domain Name System 3. Digital Network Switch
Explanation: DNS translates human-readable domain names into IP addresses for locating websites and services on the internet. Answer: 2
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How do devices in Federated Learning train their local models? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. By compromising privacy for improved accuracy. 1. By downloading the global model through 5G networks. 2. By uploading their model updates to...
Explanation: Devices in Federated Learning train their local models using the global model as a starting point and then upload only the updates (not the full model) to a central server for aggregation. Answer: 2
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What is UICC? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. Universal Intermediate Control Center 1. Universal Subscriber Identity Card 2. Universal Subscriber Information Center 3. Universal Secure IC Card 4. Universal User Inquiry and Control
Explanation: UICC stands for Universal Subscriber Identity Card, a smart card used in mobile networks to store subscriber identity and security information. Answer: 1
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What is a calibration initiator? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. A station (STA) that transmits during a calibration sequence in response to a transmission by a calibration responder. 1. A neighbor mesh STA that meets eligibility requir...
Explanation: A calibration initiator is a station that starts a calibration sequence to ensure accurate signal measurement and alignment. Answer: 3
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What is the purpose of route aggregation? [TCP/IP] Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. To divide an IP packet into smaller packets 1. To combine multiple lower-level routes into a single high-level route 2. To determine the position of frag...
Explanation: Route aggregation reduces the size of routing tables by combining multiple specific routes into a single, more general route. Answer: 1
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Which architecture of UAV-enabled MEC (mobile edge computing) networks is suitable for areas without terrestrial MEC networks? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. UAV as a user 1. UAV as a server 2. UAV as a relay 3. UAV as a flying base st...
Explanation: A flying base station allows UAVs to provide edge computing services directly to users in areas without terrestrial MEC infrastructure. Answer: 3
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Which group in the MIB provides information about the device name, manufacturer, location, etc.? [TCP/IP] Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. System 1. Interfaces 2. IP 3. ICMP 4. TCP
Explanation: The System group in MIB provides information about the device name, manufacturer, location, and other hardware and system-related details. Answer: 0
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In IEEE 802.11i, when is security provided end-to-end? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. During the Discovery phase 1. During the Authentication phase 2. During the Key generation and distribution phase 3. During the Protected data transf...
Explanation: Security is provided end-to-end during the protected data transfer phase when encrypted data is transmitted between the client and the access point using session keys derived from the authentication and key management process. Answer: 3
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What are some of the key requirements for eVTOL (Electric vertical takeoff and landing) technology in achieving a ubiquitous and commercially viable UAM (urban air mobility) market? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. Strict reliability and...
Explanation: EVTOLs require robust, reliable communication and control systems to ensure safe, seamless operations in dense urban environments with dynamic traffic and regulatory constraints. Answer: 3
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What does GERAN stand for? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. Global Frequency Division Access Network 1. General Evolution Radio Access Network 2. Global Enhanced Radio Access Network 3. GSM EDGE Radio Access Network 4. Global Evolution R...
Explanation: GERAN stands for Global Enhanced Radio Access Network, a technology used in mobile communications to provide radio access for GSM networks. Answer: 2
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What is the benefit of using Format-Preserving Encryption (FPE) in legacy databases? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. It requires minimal application changes and no database schema changes. 1. It provides stronger security than ordinary ...
Explanation: Format-Preserving Encryption (FPE) allows sensitive data in legacy databases to be encrypted while maintaining the original format and length, enabling seamless integration with existing systems without requiring schema modifications. Answer: 0
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In conventional machine learning, where does model training take place? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. On user devices 1. On a central server 2. On a parameter server 3. On a distributed network
Explanation: In conventional machine learning, model training typically occurs on a central server where large datasets are processed and models are optimized using computational resources. Answer: 1
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What is number portability? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. An association established by a network layer between two users for data transfer 1. A refinement of network personalisation, limiting the usage of a mobile device to a subset ...
Explanation: A capability that allows a user to retain the same public telecommunication number when changing service providers Answer: 2
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What is the purpose of a Configuration Server? [ETSI NFV Release 5] Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. Distribute and store configuration data in a centralized manner 1. Manage virtual resources for VNFs 2. Communicate with network element...
Explanation: A Configuration Server provides a centralized repository for storing and distributing configuration data to virtualized network functions (VNFs). Answer: 0
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Which specification defines the functions of NG-RAN? [3GPP Release 17] Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. TS 23.501 1. TS 36.300 2. TS 38.300 3. TS 38.305 4. TS 38.400
Explanation: TS 38.400 defines the functions and architecture of the Next Generation Radio Access Network (NG-RAN) in 5G NR. Answer: 4
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What is game theory? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. A technique to design energy management schemes 1. A communication system between players in a cooperative game 2. A mathematical tool to analyze strategies of competitive situations ...
Explanation: Game theory is a mathematical tool to analyze strategies of competitive situations. Answer: 2
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Which optimization technique rectifies the variance of the adaptive learning rate in order to tackle the convergence problem of Adam? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. Sharpness-Aware Minimization 1. AMSGrad 2. Stochastic Weight Averaging...
Explanation: AMSGrad rectifies the variance of the adaptive learning rate by maintaining the minimum of the exponential moving average of the squared gradients, ensuring a more stable and reliable convergence. Answer: 1
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What does the O-Cloud approach enable in the RAN? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. Disaggregation and use of COTS hardware for baseband workload processing 1. Migration of functions in the core network and other domains to the cloud 2. ...
Explanation: The O-Cloud approach enables flexible and agile deployment of radio access network functions by leveraging cloud-native principles and open standards, allowing for dynamic scaling and efficient management of baseband processing. Answer: 3
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What is the purpose of IEEE 802.15.4 standard in IoT (Internet of Things)? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. To provide security at the data link layer 1. To enable efficient communication of resource-constrained devices 2. To ensure data...
Explanation: IEEE 802.15.4 is designed to enable low-power, low-data-rate communication between resource-constrained devices in IoT networks. Answer: 1
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Which type of memory is often used to store compressed tensors in accelerator systems? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. On-chip memory 1. Off-chip memory 2. Register memory 3. Cache memory 4. None of the above
Explanation: On-chip memory is often used to store compressed tensors in accelerator systems due to its high bandwidth and low latency, which are critical for efficient tensor operations. Answer: 0
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What is the purpose of information sharing in multi-agent reinforcement learning (MARL)? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. To distribute the environment information to all agents 1. To coordinate and cooperate the actions of multiple agen...
Explanation: Information sharing in multi-agent reinforcement learning enables agents to coordinate and cooperate by exchanging relevant environmental and policy-related data, leading to more effective joint decision-making. Answer: 1
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What does DES stand for? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. Digital Encryption System 1. Data Encoding Standard 2. Data Encryption System 3. Data Encryption Standard 4. Digital Encryption Standard
Explanation: DES stands for Data Encryption Standard, a symmetric-key block cipher that was widely used for securing data. Answer: 3
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What is the abbreviation for 'Sounding reference signal'? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. RS 1. SRS 2. PRACH 3. DL-SCH 4. CS-RNTI
Explanation: SRS stands for Sounding Reference Signal, a signal used in wireless communication to enable channel estimation and beamforming. Answer: 1
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What does the abbreviation 'MnS' stand for? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. Management Network Service 1. Managed Service 2. Management Service 3. Monitoring Service 4. Managed Network Service
Explanation: MnS stands for Managed Network Service, a term used in IT and telecommunications to describe a service where a third party manages a network infrastructure on behalf of a client. Answer: 4
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What is the Access Stratum? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. A functional grouping consisting of the parts in the infrastructure and in the user equipment and the protocols between these parts being specific to the access technique 1. A ...
Explanation: The Access Stratum is a functional grouping of components in the user equipment and network infrastructure that handle the radio interface and related protocols for access to the network. Answer: 0
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What is a common approach to handling non-i.i.d. data in federated learning? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. Augmenting the local data with samples from other learning nodes. 1. Training the local model on a subset of the local data cho...
Explanation: A common approach to handling non-i.i.d. data in federated learning is to weight the contributions of local models based on the quality or representativeness of the local data, ensuring that models from data-rich or more representative clients have a greater influence. Answer: 2
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When does the AMF enable or disable the 5G access stratum time distribution for a UE? [3GPP Release 18] Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. When UE is in CM-REJECTED state 1. When UE is in CM-IDLE state 2. When UE is in CM-REGISTERED state ...
Explanation: The AMF enables or disables the 5G access stratum time distribution based on the UE's registration state, specifically when the UE is in the CM-REGISTERED state, as this indicates the UE is reachable and capable of receiving time synchronization signals. Answer: 2
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Why is cloud-based ML inadequate for real-time applications such as autonomous vehicles? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. It requires a massive amount of storage and computing power. 1. It cannot afford latency. 2. It cannot operate unde...
Explanation: Cloud-based ML suffers from high latency and latency variability, which are critical limitations for real-time applications like autonomous vehicles that require immediate decision-making. Answer: 1
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What does the Location Reporting Control message include? [3GPP Release 18] Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. UE Location 1. UE Presence in Area Of Interest 2. Request Reference ID 3. All of the above 4. None of the above
Explanation: The Location Reporting Control message includes information about the UE's location, its presence in a specific area of interest, and a request reference ID for tracking and management. Answer: 3
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What is the main advantage of 6G's 3D network architecture? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. Providing three-dimensional coverage by complementing terrestrial infrastructures with non-terrestrial platforms. 1. Real-time network managemen...
Explanation: The main advantage of 6G's 3D network architecture is its ability to provide comprehensive three-dimensional coverage by integrating terrestrial and non-terrestrial platforms, enabling better spatial utilization and improved connectivity in complex environments. Answer: 0
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What does the No Free Lunch (NFL) theorem of optimization state? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. The average performance of any pair of algorithms across all problems is identical 1. No algorithm can outperform random search on any prob...
Explanation: The No Free Lunch (NFL) theorem states that, averaged across all possible problems, no optimization algorithm outperforms any other. Answer: 1
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What is coding in data communications? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. The movement of encoded information by means of communication techniques. 1. The transmission of voice communications over the Internet. 2. The organization of data ...
Explanation: The process of encoding information before transmitting it over a data network. Answer: 3
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What is the purpose of the O2 Client? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. To collect RAN statistics for each slice 1. To process JavaScript Object Notation (JSON) messages 2. To transport and process data from any source to any target 3. To...
Explanation: The O2 Client is a component designed to transport and process data from various sources to different targets within a network environment. Answer: 2
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How is data transferred in TAPS (Transport services)? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. As TCP segments 1. As UDP datagrams 2. As messages 3. As streams
Explanation: TAPS (Transport Access Point Service) transfers data as messages between the transport layer and the access network. Answer: 2
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What does MRU stand for in relation to Wi-Fi 7? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. Maximum Resource Utilization 1. Multiple Radio Units 2. Management and Routing Unit 3. Multiple Resource Unit
Explanation: MRU stands for Maximum Rate Unit in the context of Wi-Fi 7, referring to the maximum data rate that can be achieved per transmission unit. Answer: 0
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What is one of the advantages of using a machine learning approach for optimization? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. It guarantees finding the global optimal solution of the problem. 1. It provides a universal theory for transforming op...
Explanation: It allows the optimization process to explore the high-dimensional optimization landscape more efficiently. Answer: 2
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What is the cryptographic algorithm used for integrity checks in WEP? [IEEE 802.11] Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. RC4 1. Hash functions 2. CRC 3. AES 4. DES
Explanation: WEP uses a cyclic redundancy check (CRC) for integrity checks, although it is not secure and has been widely criticized for its vulnerabilities. Answer: 2
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In a split gNB architecture, how is RACH configuration conflict resolved? [3GPP Release 17] Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. The gNB-CU reassigns a new PCI for NR cells suffering PCI conflict. 1. The gNB-DU reports RACH configuration con...
Explanation: In a split gNB architecture, the gNB-DU detects RACH configuration conflicts and reports them to the gNB-CU for resolution. Answer: 1
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What happens in the EAP-based Network Slice-Specific authentication procedure? [3GPP Release 16] Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. The AAA Server exchanges AAA protocol messages with a potential external AAA Server 1. The UE is authorized...
Explanation: In the EAP-based Network Slice-Specific authentication procedure, the AUSF initiates authentication specific to a network slice by exchanging AAA protocol messages with an external AAA server. Answer: 2
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Which error sources are studied for timing-based positioning methods? [3GPP Release 18] Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. TRP/UE measurements errors. 1. Error in assistance data. 2. TRP/UE Timing error. 3. All of the above. 4. None of the...
Explanation: Timing-based positioning methods are sensitive to timing inaccuracies between the transmitter and user equipment, as well as measurement errors from the TRP/UE and potential inaccuracies in assistance data. Answer: 3
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What is the purpose of the DMG link adaptation? [IEEE 802.11] Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. To request a link measurement report from a STA 1. To transmit frames to a specific STA 2. To aggregate link measurement request frames 3. To ...
Explanation: The DMG link adaptation adjusts the transmission parameters based on link conditions to optimize performance and reliability in the DMG (Dynamic Media Group) network. Answer: 3
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What is the chain rule for entropy? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. H(X1) + H(X2|X1) + H(X3|X2,X1) 1. H(X1,X2,...,Xn) = H(X1) + H(X2|X1) + ... + H(Xn|Xn−1,...,X1) 2. H(X1) + H(X2) + ... + H(Xn) 3. H(X1) + H(X2|X1) + ... + H(Xn-1|Xn-2,.....
Explanation: The chain rule for entropy expresses the joint entropy of a sequence of random variables as a sum of individual entropies and conditional entropies, starting from the first variable and conditioning on all previous ones. Answer: 1
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What is the main objective of the 3GPP study item titled 'Study on new radio network energy saving enhancements'? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. Investigate the benefits of machine learning in energy saving 1. Develop a power consumpti...
Explanation: The main objective is to explore energy-saving measures in the radio access network, particularly focusing on scenarios beyond traditional capacity booster cells to enhance overall network energy efficiency. Answer: 4
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What does the 'decrypt_error' alert indicate? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. A ciphertext decrypted in an invalid way 1. A negotiation not in compliance with export restrictions on key length 2. A handshake cryptographic operation fail...
Explanation: The 'decrypt_error' alert indicates that the decryption of a received ciphertext failed, suggesting an issue with the decryption process, such as incorrect keys or corrupted data. Answer: 0
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How can localization assist in disaster management and recovery? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. By providing accurate location information of missing individuals 1. By helping rescue teams target affected locations 2. By providing medi...
Explanation: Localization enables precise identification of affected areas and missing persons, supports targeted rescue operations, and facilitates efficient coordination of recovery efforts. Answer: 3
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What is the purpose of the Caller Identity Verification Results Delivery to the User? [3GPP Release 17] Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. To provide information to the end user about potential risks associated with the caller identity 1. ...
Explanation: The purpose is to deliver the verified caller identity information, including the full or partial name string, to the user equipment (UE) for transparency and user awareness. Answer: 2
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Which type of Deep Neural Network (DNN) originates from game theory and is composed of a generator and a discriminator? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. Fully Connected Neural Network (FCNN) 1. Auto-Encoder (AE) 2. Convolutional Neural N...
Explanation: A Generative Adversarial Network (GAN) is a type of deep neural network that originates from game theory, where two neural networks—the generator and the discriminator—compete in a minimax game to generate realistic data. Answer: 3
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Which keys are derived from KAMF for the protection of NAS signaling? [3GPP Release 18] Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. KNASint and KNASenc 1. KUPint and KUPenc 2. KRRCint and KRRCenc 3. KgNB and NH 4. NH and KAMF
Explanation: KAMF is used to derive keys for protecting NAS signaling in 3GPP Release 18, specifically generating NH and KNASint/KNASenc for signaling security. Answer: 0
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What is the purpose of ABS placement? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. To determine the quality of the channel to the targeted GTs 1. To determine the dynamic environments in which ABSs can be placed 2. To determine the suitable location...
Explanation: ABS placement aims to identify optimal locations for deploying Access Points to ensure effective connectivity with target devices. Answer: 2
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What is HARQ-ACK bundling? [3GPP Release 14] Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. A feature that enables UEs to transmit multiple HARQ-ACK feedback for a single DL transport block. 1. A feature that allows UEs to transmit a single HARQ-ACK f...
Explanation: HARQ-ACK bundling is a feature that allows UEs to transmit a single HARQ-ACK feedback for multiple DL transport blocks. Answer: 1
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What does the SMF do when it receives the enabling request for analytics information exposure from a UE? [3GPP Release 18] Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. Subscribes to the Analytics ID for the UE 1. Checks if it has already subscribed ...
Explanation: The SMF evaluates the enabling request and responds with an Accept or Reject decision regarding the exposure of analytics information for the UE. Answer: 4
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Which protocol is used for exchanging files between different hosts? [TCP/IP] Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. HTTPS 1. SSH 2. FTP 3. NTP
Explanation: FTP (File Transfer Protocol) is specifically designed for exchanging files between different hosts over a network. Answer: 2
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What are the three levels defined in the time-based definition of conflict management? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. Level 1: 24 hours – 2 minutes; Level 2: 2 minutes – 30 seconds; Level 3: 30 seconds – 0 seconds 1. Level 1: 30 second...
Explanation: The time-based definition of conflict management categorizes conflict intensity by duration, with shorter durations indicating higher intensity and longer durations indicating lower intensity. Answer: 1
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Which specifications provide the MCPTT requirements applicable to MC Video? [3GPP Release 14] Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. TS 22.179 1. TS 22.280 2. TS 22.281 3. TS 22.282
Explanation: TS 22.282 specifies the MCPTT requirements applicable to MC Video in 3GPP Release 14. Answer: 3
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What basic requirements are supported for MMS? [3GPP Release 18] Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. Real-time character by character text conversation 1. Store-and-forward multimedia messaging service 2. Automatic device detection 3. IP mu...
Explanation: MMS in 3GPP Release 18 supports the delivery of multimedia content through a store-and-forward mechanism. Answer: 1
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What is the difference between centralized and decentralized contact tracing solutions? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. Centralized solutions require users to share their contact lists, while decentralized solutions do not collect any i...
Explanation: Centralized contact tracing solutions collect and store user data on a central server, often requiring users to share contact information, whereas decentralized solutions keep data on users' devices and do not collect or share personal data with a central authority. Answer: 0
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What are the three layers in the TrasoNET (Traffic-Social Network) framework? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. Infrastructure layer, Device layer, Cloud layer 1. Mobility layer, Traffic layer, Network layer 2. Sensing layer, Traffic laye...
Explanation: The TrasoNET framework consists of three layers that integrate traffic data with social network dynamics, including sensing, traffic processing, and service delivery. Answer: 2
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What is the total number of possible different binary combinations for a 7-bit code? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. 8 1. 16 2. 32 3. 64 4. 128
Explanation: A 7-bit code can represent 2^7 different binary combinations since each bit can be either 0 or 1. Answer: 4
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What is the role of the baseband unit (BBU) in C-RAN? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. Centralized baseband processing 1. Distributed radio frequency (RF) processing 2. Coordinated multi-point (CoMP) transmission/reception 3. Self-instal...
Explanation: The baseband unit (BBU) in C-RAN is responsible for centralized baseband processing of signals, enabling efficient resource management and coordination across multiple remote radio heads. Answer: 0
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What is the purpose of providing an ID in NAS signalling that represents a UE's radio capabilities? [3GPP Release 18] Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. To assign UE capabilities by the manufacturer 1. To reduce signalling overhead 2. To s...
Explanation: The ID in NAS signalling represents a UE's radio capabilities to enable the AMF to store and manage these capabilities for network operations and resource allocation. Answer: 2
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What identifiers can be used by the LCS client to identify a target UE for value-added services? [3GPP Release 17] Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. MSISDN 1. SIP URL 2. IMSI 3. An identifier internal to the PLMN 4. All of the above
Explanation: In 3GPP Release 17, the LCS client can use various identifiers to target a UE for value-added services, including MSISDN, SIP URL, IMSI, and PLMN internal identifiers. Answer: 4
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What is the objective of the generator in a GAN (generative adversarial network)? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. To distinguish between real and fake data 1. To synthesize fake data that resembles real data 2. To classify real and fake...
Explanation: The generator's objective is to create fake data that is indistinguishable from real data, thereby fooling the discriminator. Answer: 1
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What is the manifestation of bias in machine learning? Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. Inaccurate assessments that universally inflate or deflate scores independent of group status. 1. Measurement scores containing systematic error that...
Explanation: Bias in machine learning manifests when model predictions systematically favor or disadvantage certain groups, leading to inaccurate or unfair outcomes regardless of individual characteristics. Answer: 0
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What inputs are required for the Nmfaf_3daDataManagement_Deconfigure service operation? [3GPP Release 18] Provide the answer in the following format: Explanation: <one_sentence_explanation> Answer: <choice_number_only> 0. Data Consumer or Analytics Consumer Information, Transaction Reference Id 1. Notification Correlat...
Explanation: The Nmfaf_3daDataManagement_Deconfigure service operation requires the identification of fetch operations to be deconfigured, typically through correlation IDs that link to previous fetch requests. Answer: 3
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