Question stringlengths 41 210 | choices stringlengths 32 481 | answer int64 0 4 | subject stringclasses 5
values | explaination stringlengths 56 364 ⌀ |
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What is the purpose of the N2 interface in 5G-AN and 5G Core? [3GPP Release 18] | ['To manage the N2 interface configuration', 'To manage NAS transport procedures', 'To manage resources for PDU Sessions', 'To manage handover procedures', 'To manage the connection of multiple types of 5G-AN to the 5GC'] | 4 | Standards specifications | The N2 interface in 5G-AN and 5G Core is used to connect multiple different kinds of 5G-AN to the 5GC via a unique Control Plane protocol. |
What is the significance of the 'Q' parameter in the O-RU antenna model? | ['1. Represents the number of rows of array elements in the array.', '2. Represents the number of polarizations in the array.', '3. Represents the number of overlapping array elements (array-layers) in the array.', '4. Represents the position of the center of the leftmost, bottom element of the array.'] | 2 | ORAN(Hard) | null |
When evaluating weight-based dynamic beamforming conformance for an O-RU in a UC-Plane scenario, which beam angles should be tested? | ['1. 0 degrees azimuth and elevation, maximum supported azimuth and elevation, maximum supported azimuth and minimum supported elevation, minimum supported azimuth and maximum supported elevation, minimum supported azimuth and minimum supported elevation.', '2. Only the maximum supported azimuth and elevation angles.',... | 0 | ORAN(Hard) | null |
What can be configured separately for each SPS configuration in LTE? [3GPP Release 18] | ['The time reference', 'The PDCP duplication settings', 'The cyclic shift for the UL Demodulation Reference Signal (DMRS)', 'The allocated RBs (Resource Blocks)'] | 2 | Standards specifications | In LTE, the cyclic shift for the UL Demodulation Reference Signal (DMRS) can be configured independently for each SPS configuration. |
In the context of O-RAN, what happens if the DRB ID is missing in a RIC Control Request message? | ['1. The E2 node will ignore the request and proceed to the next message.', '2. The E2 node will send a RIC Control Failure.', '3. The E2 node will attempt to deduce the DRB ID from the UE Group Definition IE.', '4. The E2 node will request the missing information from the RIC.'] | 1 | ORAN(Hard) | null |
In an O-RAN network, what role does the Non-RT RIC play when a RAN slice's Service Level Specification (SLS) cannot be met due to insufficient resources? | ['1. The Non-RT RIC analyzes the situation and configures the RAN to prioritize emergency traffic.', '2. The Non-RT RIC automatically adjusts the QoS parameters to ensure all users receive adequate service.', '3. The Non-RT RIC uses A1 policies to improve the situation based on information from the SMO.', '4. The Non-R... | 2 | ORAN(Hard) | null |
What is a limitation of Global Navigation Satellite Systems (GNSS) in emergency localization? | ['Deliver sub-meter localization accuracy', 'Are integrated in the B5G network infrastructure', 'Suffer from shadowing introduced by foliage and obstacles', 'All of the above', 'None of the above'] | 2 | Research publications | GNSSs in emergency localization suffer from shadowing introduced by foliage, bodies of water, wooden obstacles, etc. |
What is the relationship between energy efficiency (EE) and spectral efficiency (SE) in hybrid beamforming structures at mm-wave frequencies? | ['There is an optimal number of RF chains achieving maximal EE for any given SE', 'EE and SE have a linear relationship', 'EE increases with increasing SE', 'EE decreases with increasing SE'] | 0 | Research publications | There is an optimal number of RF chains in hybrid beamforming structures at mm-wave frequencies that achieves the maximal energy efficiency (EE) for any given spectral efficiency (SE). |
When can there be two N3 tunnel terminations at the RAN for a PDU Session? [3GPP Release 18] | ['When there are multiple PDU Session Ids for the PDU Session', 'When the QoS Flows of the PDU Session are split across the two RATs', 'When the PDU Session belongs to a specific Network Slice', 'When the Master RAN node is congested', 'When the Secondary RAN node is congested'] | 1 | Standards specifications | If the DL User Plane traffic of some QoS Flows of a PDU Session are directed to the Secondary RAN Node while the remaining QoS Flows are directed to the Master RAN Node, there will be two N3 tunnel terminations at the RAN for such PDU Session. |
When does the AMF enable or disable the 5G access stratum time distribution for a UE? [3GPP Release 18] | ['When UE is in CM-REJECTED state', 'When UE is in CM-IDLE state', 'When UE is in CM-REGISTERED state', 'When UE is in CM-DISCONNECTED state', 'When UE is in CM-CONNECTED state'] | 4 | Standards specifications | If the AMF receives start and stop times, it sends a message to the NG-RAN to enable or disable the 5G access stratum time distribution according to the expiry of start and stop times when the UE is in CM-CONNECTED state. |
What are the advantages of dynamic VLANs? [IEEE 802.3] | ['Easy to configure; everything is done using the switch.', 'Special hardware is not required; anyone can connect their computer to any port and still be part of the correct VLAN.', 'Redundant links are integrated; an automated backup path is provided.', 'Recovery time of 1 to 10 seconds; can be used for redundant ring... | 1 | Standards overview | The advantage of dynamic VLANs is that special hardware is not required and anyone can connect their computer to any port and still be part of the correct VLAN. |
What is the responsibility of the network slice broker (NSB)? | ['To orchestrate and manage the US-NSIs', 'To securely expose required services and capabilities to every US-NSI', 'To dynamically allocate network resources to every US-NSI', "To translate tenant requirements to US-NSIs' requirements", 'To enable the tenant to dynamically request and lease resources from the operator'... | 4 | Standards overview | The network slice broker (NSB) allows the tenant to dynamically request and lease resources from the operator, based on US-NSIs' service requirements. |
What are the design aspects of VNF and NS that influence their power consumption? [ETSI NFV Release 5] | ['The design aspects of VNF and NS do not have any influence on their power consumption.', 'Redundancy configurations of VNFs/NSs can influence their power consumption.', 'The choice of compute resources used for VNF and NS deployment can influence their power consumption.', 'Both option 2 and option 3 are correct.'] | 3 | Standards overview | Redundancy configurations of VNFs/NSs and the choice of compute resources used for deployment can both have an influence on the power consumption of VNFs and NSs. |
What does each port of a switch close? [IEEE 802.3] | ['Collision domain', 'Broadcast domain', 'Multicast domain', 'Unicast domain'] | 0 | Standards overview | Each port of a switch closes a collision domain, meaning that collisions between frames are contained within each domain. |
What is the purpose of the Network notification objective introduced by MUSIM for LTE/NR? [3GPP Release 17] | ['To address the paging occasion collision issue.', 'To notify the network of a switch from one network to another for MUSIM purpose.', 'To support indicating to the MUSIM UE whether an incoming paging is for voice service.', 'To notify the network of a switch from network A for MUSIM purpose.', 'To address the issue o... | 3 | Standards overview | The purpose of the Network notification objective introduced by MUSIM for LTE/NR is to notify the network of a switch from network A for MUSIM purpose. |
What does the abbreviation WAS stand for? | ['Wireless Access Systems', 'Radio Local Area Networks', 'Fixed Wireless Access', 'Unlicensed National Information Infrastructure', 'None of the above'] | 0 | Standards overview | The abbreviation WAS stands for Wireless Access Systems. |
What does the Closed loop SLS Assurance solution in TS 28.535 and TS 28.536 provide? [3GPP Release 17] | ['Advanced monitoring solutions for providing communication service quality', 'Predictive analytics for optimizing network performance', 'Provisioning capabilities for adjusting and optimizing services', 'Configuring assurance goal based on network characteristics', 'Collecting assurance goal status based on location'] | 0 | Standards overview | The enhancements to the Closed loop SLS Assurance solution include more advanced monitoring solutions that help an operator to continuously deliver the expected level of communication service quality. |
Which deployment scenario may require coverage recovery for Message 2 in the DL (downlink)? | ['Rural', 'Urban micro', 'Urban macro', 'Indoor', 'All of the above'] | 1 | Standards overview | Coverage recovery may be needed for Message 2 in the DL in the urban micro scenario. |
How can RF (radio frequency) interference emerging from cellular-connected UAVs be mitigated in cellular networks? | ['Using LoS-dominant air-to-ground channels for RF sensing', 'Deploying RISs to create interference-free regions', 'Coordinating transmissions as a cognitive radio based solution', 'Dynamic channel access and adaptive scheduling driven by machine learning algorithms', 'All of the above'] | 4 | Standards overview | RF interference emerging from cellular-connected UAVs in cellular networks can be mitigated by using LoS-dominant air-to-ground channels for RF sensing, deploying RISs to create interference-free regions, coordinating transmissions as a cognitive radio based solution, and using dynamic channel access and adaptive sched... |
Which of the following is NOT supported by PDCP packet duplication? [3GPP Release 15] | ['Signalling Radio Bearers (SRBs) using RLC AM', 'Data Radio Bearers (DRBs) using RLC UM', 'Data Radio Bearers (DRBs) using RLC AM', 'Carrier Aggregation (CA) scenarios', 'Dual Connectivity (DC) scenarios'] | 2 | Standards overview | The document states that PDCP packet duplication is supported for Signalling Radio Bearers (SRBs) using RLC AM and Data Radio Bearers (DRBs) using RLC UM or AM, but not for Data Radio Bearers (DRBs) using RLC AM. |
What are the challenges faced in the coexistence between SBA and non-SBA NFV-MANO systems? [ETSI NFV Release 5] | ['Access from non-SBA NFV-MANO FB to an NFV-S exposed by SBA based NFV-MANO system', 'Registration of services offered by non-SBA NFV-MANO', 'Access from entity in SBA based NFV-MANO system to a service offered by non-SBA NFV-MANO', 'All of the above', 'None of the above'] | 3 | Standards overview | The challenges faced in the coexistence between SBA and non-SBA NFV-MANO systems include access, registration, and access from an entity. |
What is the purpose of configuration management in Telecommunications Management Network (TMN) model? [ETSI NFV Release 5] | ['To provide control over network elements', 'To collect data from network elements', 'To provide data to network elements', 'All of the above'] | 3 | Standards overview | Configuration management in TMN model provides functions to exercise control over, identify, collect data from and provide data to network elements. |
Which security attacks can be launched by exploiting the handover signaling messages? | ['Denial-of-Service, Session Hijacking, Malicious Mobile Node Flooding', 'Man-in-the-middle, and redirection attacks', 'Temporary S-NSSAIs', 'Mobile IPv6', 'Encrypted S-NSSAI'] | 0 | Standards overview | By exploiting the handover signaling messages, security attacks such as Denial-of-Service, Session Hijacking, and Malicious Mobile Node Flooding can be launched. |
Which technology is expected to support 6G networks? | ['Visible Light Communication (VLC)', 'Non-Orthogonal Multiple Access (NOMA)', 'Unmanned Aerial Vehicle (UAV)', 'All of the above', 'None of the above'] | 3 | Standards overview | Technologies such as Visible Light Communication (VLC), Non-Orthogonal Multiple Access (NOMA), and Unmanned Aerial Vehicle (UAV) are expected to support 6G networks. |
What is the main goal of the Service & Computation Orchestrator framework? | ['To guarantee the most efficient computation for the NIST competition winner', 'To notify both sides in a secure communication to implement the same Quantum Resistant Security Algorithm', 'To select the Quantum Resistant Security Algorithm to be used', 'To select the most effective computation method for the implement... | 3 | Standards overview | The main goal of the Service & Computation Orchestrator framework is to select the most effective computation method for the implemented Quantum Resistant Security Algorithm. |
Which functionalities can be incorporated into a V2X (Vehicular-to-Everything) communications system using edge computing facilities? | ['BBUs of C-RAN for access link termination', 'Core gateway functions for session management and routing of local traffic', 'Inter-operable and programmable computing environment for cloud-based vehicular applications', 'All of the above'] | 3 | Standards overview | The functionalities that can be incorporated into a V2X communications system using edge computing facilities include BBUs of C-RAN for access link termination, core gateway functions for session management and routing of local traffic, and an inter-operable and programmable computing environment for cloud-based vehicu... |
What is the key functionality introduced for scheduling enhancements in the 5G Core network? [3GPP Release 16] | ['Support for multiple active configured grant configurations for a BWP', 'Support for accurate reference timing delivery', 'Support for prioritization between overlapping uplink resources of one UE', 'Support for up to eight simultaneously active semi-persistent scheduling (SPS) configurations', 'Support for PDCP pack... | 3 | Standards overview | The key functionality introduced for scheduling enhancements in the 5G Core network is support for up to eight simultaneously active semi-persistent scheduling (SPS) configurations. |
What is the challenge posed by packet duplication in the RLC (radio link control) layer? | ['Unequal successful transmission in different legs', 'Redundant retransmission and wastage of resources', 'Interference with data split in DC', 'Complexity of UE implementation'] | 1 | Standards overview | When packet duplication is activated, a successful transmission in one leg may result in unnecessary retransmission in the other leg, leading to wastage of air-interface resources. |
Is supporting periodic location reporting a requirement for Emergency Services? [3GPP Release 17] | ['Yes, it is a requirement', 'No, it is not a requirement', 'It depends on asset management services', 'It depends on the PLMN operator', 'It depends on the Privacy Exception List'] | 1 | Standards specifications | There is no requirement for the PLMN to support periodic location reporting for Emergency Services. |
What information is included in the Location Report message when the NG-RAN detects that the UE has moved out of or into multiple areas of interest? [3GPP Release 18] | ['UE Location', 'UE Presence in Area Of Interest', 'Request Reference ID', 'All of the above', 'None of the above'] | 3 | Standards specifications | When the NG-RAN detects that the UE has moved out of or into multiple areas of interest, it sends multiple pairs of UE Presence in the Area Of Interest and the Request Reference ID in one Location Report message to the AMF. |
Which satellite access network type has the lowest end-to-end latency requirement in a 5G system? [3GPP Release 17] | ['GEO based satellite access', 'MEO based satellite access', 'LEO based satellite access', 'All have the same end-to-end latency requirement'] | 2 | Standards specifications | LEO based satellite access has the lowest end-to-end latency requirement in a 5G system. |
What is the primary purpose of the "Manufacturers’ defined list of beam indices and their associated beam directions with antenna array characteristics" in the context of O-RAN testing? | ["1. To assess the performance of the radio's power amplifier.", "2. To verify the accuracy of the radio's beamforming capabilities.", "3. To measure the signal strength of the radio's transmissions.", "4. To determine the optimal frequency band for the radio's operation."] | 1 | hard | null |
What data structure is supported by the HTTP PUT request body when interacting with an EI job resource? | ['1. EiJobObject', '2. eiTypeId', '3. URI query parameters', '4. Response codes'] | 0 | hard | null |
What are the recommended multicast solutions for overlay networks in O-RAN? | ['1. BGP-MVPN and EVPN-BUM with tunnel segmentation', '2. Segment Routing', '3. Underlay tunnel solutions', '4. All of the above'] | 0 | hard | null |
What is the maximum absolute packet time error allowed at the O-RU UNI for an Enhanced RU? | ['1. 1465 ns', '2. 1000 ns', '3. 500 ns', '4. 2000 ns'] | 0 | hard | null |
In an O-RAN network, what role does the Non-RT RIC play when a RAN slice's Service Level Specification (SLS) cannot be met due to insufficient resources? | ['1. The Non-RT RIC analyzes the situation and configures the RAN to prioritize emergency traffic.', '2. The Non-RT RIC automatically adjusts the QoS parameters to ensure all users receive adequate service.', '3. The Non-RT RIC uses A1 policies to improve the situation based on information from the SMO.', '4. The Non-R... | 2 | hard | null |
What type of measurement is "OR.ULSQL.DistPuschSsbBeamRank2"? | ['1. Status Inspection (SI)', '2. Cumulative Counter (CC)', '3. Performance Counter Table', '4. Optional Counter'] | 1 | hard | null |
What is the maximum allowed absolute packet time error for an Enhanced RU at the O-RU UNI, as measured by a Clock Tester? | ['1. 1100ns', '2. 60ns', '3. 190ns', '4. 100ns'] | 0 | hard | null |
What is the purpose of the "Create single policy (positive case)" test scenario in the context of O-RAN A1-P Consumer testing? | ['1. To test the deletion of a policy.', '2. To test the creation of a single policy as specified by A1AP clause 5.2.4.3.', '3. To test the modification of an existing policy.', '4. To test the retrieval of a policy.'] | 1 | hard | null |
In the context of O-RAN, what happens if the DRB ID is missing in a RIC Control Request message? | ['1. The E2 node will ignore the request and proceed to the next message.', '2. The E2 node will send a RIC Control Failure.', '3. The E2 node will attempt to deduce the DRB ID from the UE Group Definition IE.', '4. The E2 node will request the missing information from the RIC.'] | 1 | hard | null |
What is the purpose of the "DL report NR PDCP PDU SN" IE in Open Radio Access Networks? | ['1. To indicate the sequence number of the last NR PDCP PDU that has been successfully received.', '2. To trigger the corresponding node to send a Delivery Status Report (DDS) when a specific NR PDCP PDU has been successfully delivered.', '3. To request the corresponding node to retransmit a specific NR PDCP PDU that ... | 1 | hard | null |
When an optional RIC Subscription End Time is present and the indicated time has expired, what action can the E2 Node take? | ['1. Send an RIC SUBSCRIPTION DELETE REQUIRED message to the Near-RT RIC.', '2. Initiate an RIC Subscription Delete procedure.', '3. Ignore the expired time and continue operating as normal.', '4. Re-request the RIC Subscription with a new End Time.'] | 0 | hard | null |
In a 5G C-RAN architecture with a legacy D-RAN, what type of VPN service is used to carry Open Fronthaul traffic from the cell site to the O-DU located in the Hub site? | ['1. L2TP', '2. IPsec', '3. VPWS EVPN', '4. GRE'] | 2 | hard | null |
What is the purpose of setting the Assistance Information Report polling Flag IE to '1' in the Downlink User Data PDUs sent from the SgNB to the MgNB? | ['1. To request the MgNB to perform handover to the SgNB.', '2. To trigger the S-NG-RAN NODE ADDITION procedure.', '3. To request the MgNB to send assistance information to the SgNB.', '4. To indicate the SgNB is ready to receive user data.'] | 2 | hard | null |
What is recommended to keep the time error and frequency error within limits at the input of the O-RU in LLS-C3/C2 topologies? | ['1. Using PTP Hybrid (PTP + SyncE/eSyncE) network', '2. Having fewer hops on the path from T-GM towards O-RU', '3. Using mixed O-RAN topology (LLS-C1/LLS-C4)', '4. Ensuring O-RUs have good holdover characteristics'] | 1 | hard | null |
What happens to the initial server after O-Cloud deployment for minimalistic IMS services? | ['1. It remains active and manages the IMS services.', '2. It is decommissioned and its resources are returned to the O-Cloud.', '3. It continues to operate, but with reduced functionality.', '4. It is replaced by a new server dedicated to IMS services.'] | 1 | hard | null |
Which ITU-T standard is used for synchronizing O-RUs in the O-DU performance test described in the context? | ['1. G.8271', '2. G.8275.1', '3. G.8261', '4. G.8275.2'] | 1 | hard | null |
What is the primary purpose of the "ORAN_QoSandTSP_4.0.0" policy type identifier? | ['1. To manage network security policies.', '2. To optimize QoS and traffic steering preferences.', '3. To define network slicing configurations.', '4. To control user authentication and authorization.'] | 1 | hard | null |
In an O-RAN network, what is a potential use case for configuration change event triggers using the O-RRMPolicyRatio RAN configuration structure? | ['1. Managing radio resource allocation for different slices in the same NR Cell.', '2. Monitoring the performance of the gNB.', '3. Configuring the network for different frequency bands.', '4. Updating the location of the gNB.'] | 0 | hard | null |
What is the purpose of the UC-Plane FHM Scenario Class Base 3GPP DL Same Cell Scenario test? | ['1. To ensure the FHM can modify eCPRI messages before forwarding them to south-nodes.', "2. To verify the FHM's ability to handle multiple cells with different configurations.", '3. To ensure the FHM can copy eCPRI messages without modifications and forward them to all configured south-nodes.', "4. To test the FHM's ... | 2 | hard | null |
What is the maximum configurable value for the n-ta-offset parameter in an O-RAN system? | ['1. 33.3 µs', '2. 65535', '3. 1.96608 GHz', '4. 38.211'] | 1 | hard | null |
In the context of O-RAN, what is the maximum absolute packet time error allowed for an Enhanced RU at the O-RU UNI? | ['1. 1100 ns', '2. 1000 ns', '3. 500 ns', '4. 2000 ns'] | 0 | hard | null |
Which of the following compression formats is specifically tested in the "UC-Plane O-RU Scenario Class Compression Non-Static Format (NS) Block Floating Point + Selective RE Format" scenario? | ['1. Modulation Compression + Selective RE', '2. Block Floating-Point + Selective RE', '3. Static Format', '4. None of the above'] | 1 | hard | null |
Which of the following is NOT a property defined for the O-GnbCuCpFunction in the provided context? | ['1. gnbId', '2. gnbCuName', '3. partitionFlowList', '4. x2BlockList'] | 2 | hard | null |
What is the outcome of the E2 SUBSCRIPTION DELETE request in the given scenario? | ['1. The request is successfully processed.', '2. The request is rejected.', '3. The request is ignored.', '4. The request is pending.'] | 1 | hard | null |
What data structure is used to carry the result of an EI job when using the HTTP POST method to deliver EI job results? | ['1. EiJobStatusObject', '2. EiJobResultObject', '3. EiJobCreationObject', '4. EiJobDeliveryObject'] | 1 | hard | null |
What is the primary purpose of O-RAN.WG4.CTI-TCP.0-R003-v04.00 document? | ['1. To define the scope and terminology related to O-RAN.', '2. To provide a detailed guide on implementing O-RAN solutions.', '3. To present a case study of a successful O-RAN deployment.', '4. To analyze the economic benefits of adopting O-RAN technology.'] | 0 | hard | null |
In an O-RAN deployment, what happens if the O-RU sets the "st6-4byte-alignment-required" flag to "false"? | ['1. The O-DU must send Section Type 6 messages with 4-byte alignment.', '2. The O-DU must send Section Type 6 messages without 4-byte alignment.', '3. The O-DU must send Section Type 6 messages with 1-byte alignment.', '4. The O-DU must send Section Type 6 messages with 2-byte alignment.'] | 1 | hard | null |
Which of the following is a measurement object class for the OR.BF.DistUeBeamIndex performance counter? | ['1. NRCellDU', '2. Switching Technology', '3. Packet Switched', '4. Generation'] | 0 | hard | null |
What is the purpose of the "OR.CellUA.MultiplexRxPdsch" measurement in an O-RAN network? | ['1. To measure the number of PDSCHs received with different levels of multiplexing.', '2. To track the maximum number of inactive UEs in a cell.', '3. To monitor the number of packets dropped due to network congestion.', "4. To evaluate the performance of the O-DU's radio frequency (RF) chain."] | 0 | hard | null |
Which of the following is NOT expected to be included in the Assistance Information Data message sent from gNB-DU to gNB-CU after step 1? | ["1. Assistance Information Indication IE with a value of '0'", '2. Assistance Information Type IE', '3. Number of octets for Radio Quality Assistance Information Fields IE', '4. Radio Quality Assistance Information IE'] | 2 | hard | null |
What is the maximum allowed absolute 1PPS time error for an Enhanced O-RU at the O-RU UNI port as measured by a Clock Tester? | ['1. 1100 ns', '2. 60 ns', '3. 190 ns', '4. 100 ns'] | 0 | hard | null |
What is the purpose of the global beamId/O-RU/local beamId mapping table in the context of selective transmission and reception with non-beamforming O-RUs? | ['1. To configure the mapping between global beam IDs and local beam IDs for each O-RU.', '2. To enable beamforming capabilities for O-RUs that are not beamforming capable.', '3. To optimize the signal strength for each beam by adjusting the power levels.', '4. To determine the optimal number of beams for each O-RU bas... | 0 | hard | null |
What is the expected outcome of a test that introduces a spelling mistake in the PolicyObject for schema validation error in the DUT? | ['1. The test will pass if the DUT successfully validates the PolicyObject despite the spelling mistake.', '2. The test will pass if the DUT returns a "400 Bad Request" HTTP response code.', '3. The test will pass if the DUT returns a "200 OK" HTTP response code.', '4. The test will pass if the DUT successfully identif... | 1 | hard | null |
Which of the following is a viable approach for mapping "generally useful" data structures from an SMO/Non-RT RIC to the structures defined in [i.24]? | ['1. The SMO/Non-RT RIC presents the façade of an NWDAF towards a separate NWDAF, which acts as an Aggregation NWDAF.', '2. The SMO/Non-RT RIC maps the data structures into the structures defined in [i.24], with each rApp using data type registration to communicate its own mapping.', "3. The NWDAF directly accesses the... | 1 | hard | null |
What NETCONF RPC is used to activate software on an O-RU8? | ['1. software-activate', '2. software-update', '3. software-install', '4. software-load'] | 0 | hard | null |
What is the purpose of the DDDS message with Cause Value IE set to '2', '5', or '6' sent from the eNB to the en-gNB? | ['1. To indicate a successful handover to the en-gNB.', '2. To confirm the completion of the Radio Link Outage operation.', '3. To request the en-gNB to initiate a new connection.', '4. To report a radio link failure to the en-gNB.'] | 1 | hard | null |
Which of the following data delivery mechanisms is NOT defined within the O-RAN.WG2.R1AP-R003-v04.00 specification? | ['1. Pull Delivery Details HTTP', '2. Data Availability Notification URI', '3. Push Delivery Details HTTP', '4. Streaming Configuration MQTT'] | 3 | hard | null |
What is the maximum allowable Time Error Limit (TEL) for a packet in an Enhanced Radio Unit (eRU) at the O-RU UNI? | ['1. ?1100ns', '2. ?60ns', '3. ?100ns', '4. ?190ns'] | 0 | hard | null |
What is the purpose of the "Query all policy type identifiers" test case in the context of A1-P? | ['1. To test the functionality of A1-P Consumer and A1-P Producer in querying all policy type identifiers.', '2. To validate the A1 procedure message sequences and contents.', '3. To determine the DUTs level of interoperability.', '4. To bring the DUTs into operational state.'] | 0 | hard | null |
What is the maximum allowed Relative 1PPS Time Error between the O-RU UNI ports for an Enhanced RU operating on FR2? | ['1. max|????????| (1,2) ?60????', '2. max|????????| (1,2) ?190????', '3. max|????????| (1,2) ?100????', '4. max|????????| (1,2) ?1420????'] | 0 | hard | null |
In a Multi-Operator O-RU, which role is performed by the NETCONF client associated with the operator who manages the resource partitioning between operators? | ['1. Shared Resource Operator', '2. Shared O-RU Host', '3. Synchronization Controller', '4. Grand Master'] | 1 | hard | null |
When reusing the CAPIF_Discover_Service_API in O-RAN, which attribute is required to be set to the value of "rAppId" if an rApp produces the API? | ['1. serviceAPICategory', '2. aefId', '3. shareableInfo', '4. apiSuppFeats'] | 1 | hard | null |
What is the purpose of the OR.ESTACALL.SuccessEmergency performance counter in an O-RAN network? | ['1. To measure the number of successful emergency call setups.', '2. To measure the number of failed emergency call setups due to protocol errors.', '3. To measure the number of emergency calls that are dropped before completion.', '4. To measure the number of emergency calls that are successfully completed within a c... | 0 | hard | null |
Which of the following is a measurement type used to track the volume of UL PDCP SDUs received via the Xn-U UL GTP-U tunnel for data forwarding? | ['1. OR.Xn.UlPdcpSduVolRxXnUUlDataForward', '2. OR.Xn.DlPdcpSduVolTxXnUDlDataForward', '3. OR.Xn.UlPdcpSduVolRxXnUUlDataForward.QoS', '4. OR.Xn.UlPdcpSduVolRxXnUUlDataForward.SNSSAI'] | 0 | hard | null |
What is the significance of the 'Q' parameter in the O-RU antenna model? | ['1. Represents the number of rows of array elements in the array.', '2. Represents the number of polarizations in the array.', '3. Represents the number of overlapping array elements (array-layers) in the array.', '4. Represents the position of the center of the leftmost, bottom element of the array.'] | 2 | hard | null |
What is the purpose of the 're-call-home-no-ssh-timer' parameter in the O-RAN operations yang model? | ['1. To determine the maximum number of call-home attempts an O-RU can make.', '2. To set the time interval between repeated call-home procedures to call-home servers.', '3. To trigger the restart of the call-home process.', '4. To establish an m-plane connection with the O-DU.'] | 1 | hard | null |
What type of beamforming does the test framework utilize when an O-RU DUT supports Digital Beamforming? | ['1. Time domain beamforming', '2. Frequency domain beamforming', '3. Spatial domain beamforming', '4. Polarization domain beamforming'] | 1 | hard | null |
What O-RAN operations yang model parameters can be optimized to ensure the O-DU (Updated) is ready to receive call-home requests from the Shared O-RU? | ['1. re-call-home-no-ssh-timer and max-call-home-attempts', '2. o-ran-operations.yang and restart-call-home RPC', '3. Shared O-RU and O-DU (Updated)', '4. m-plane connection establishment and call-home signals'] | 0 | hard | null |
During antenna calibration, how does the O-DU handle user data scheduling? | ['1. The O-DU schedules user data only in calibration symbols, regardless of the direction (DL or UL).', '2. The O-DU schedules user data only during calibration operation, using resources identified for calibration.', '3. The O-DU avoids scheduling user data in resources identified for calibration, but may schedule da... | 2 | hard | null |
What type of functional split is supported by the AAL Application interface, ensuring compatibility with the O-RAN FH interface? | ['1. 3-GPP defined split', '2. 7-2x split', '3. 4-1 split', '4. 5-2 split'] | 1 | hard | null |
Which of the following E2 node configurations is represented by the O-GNBCUUPFunction configuration structure? | ['1. O-DU', '2. O-CU-CP', '3. O-CU-UP', '4. O-RRMPolicyRatio'] | 2 | hard | null |
Which of the following is NOT a possible reason for a RIC Request failure as defined in the provided code? | ['1. RAN Function ID Invalid', '2. Control Timer Expired', '3. Transport Resource Unavailable', '4. Excessive Actions'] | 2 | hard | null |
What is the purpose of the "OR.DLSQL.WidebandCqiFR2.SSB.CQITable.statistic" measurement type in O-RAN? | ['1. To measure the transmission power of PDCCH.', '2. To measure the statistics of CQI values received from UEs.', '3. To measure the number of successful data transmissions.', '4. To measure the latency of data transmissions.'] | 1 | hard | null |
What is the maximum output power of the +12V rail in the O-DU7-2 chassis? | ['1. 12A', '2. 15A', '3. 41A', '4. 0.2A'] | 2 | hard | null |
What is the maximum value allowed for the "GnbCuUeF1apId" field in an O-RAN specification? | ['1. 255', '2. 65535', '3. 4294967295', '4. 18446744073709551615'] | 2 | hard | null |
What is the primary method for enabling automatic scaling of an NF Deployment using the O2dms API profile? | ['1. Setting the "isAutoscaleEnabled" attribute in the "VnfInstance" data type.', '2. Manually configuring scaling parameters in the NF Deployment instance.', '3. Using a third-party scaling tool integrated with the NFVO.', "4. Triggering a scaling event through the NFVO's API."] | 0 | hard | null |
What is the primary purpose of the test case TC_FH_MPLANE_SSH-PASSWORD-BASED_AUTHENTICATION_AUTHORIZATION? | ['1. To ensure secure communication between the O-RU and O-DU over the FH interface using SSH.', '2. To verify the functionality of the NETCONF protocol on the FH interface.', '3. To test the performance of the O-RU and O-DU devices under high load conditions.', '4. To assess the security of the O-RAN network against e... | 0 | hard | null |
In the CPRI protocol, what is the purpose of the first Tcw bits of the first word (w = 0) in each basic frame? | ['1. Real-time control information transmission', '2. IQ data compression', '3. Control words', '4. Antenna-carrier synchronization'] | 2 | hard | null |
What is the purpose of the performance counter "OR.REEST.RetReqNotUecontext" in the context of O-RAN? | ['1. To track the number of received RRC Reestablishment Request messages via F1-C when UE context cannot be retrieved.', '2. To measure the number of successful RRC re-establishment request completions for retransmission requests when UE context cannot be retrieved.', '3. To monitor the frequency of RRC Reconfiguratio... | 0 | hard | null |
What is the purpose of the "OR.ESTACALL.IncompMosignalProtocolErr" measurement counter in the O-RAN context? | ['1. To track the number of successful call establishments for mobile originated signaling.', '2. To count the number of call establishment attempts interrupted by protocol errors.', '3. To measure the duration of call establishment for mobile originated signaling.', '4. To monitor the latency of call establishment for... | 1 | hard | null |
What is the maximum one-way latency allowed between an O-RU and O-DU for standard NR performance, as defined in O-RAN.WG9.XTRP-REQ-v01.00? | ['1. 50 µs', '2. 100 µs', '3. 150 µs', '4. 200 µs'] | 1 | hard | null |
Which of the following is NOT a format for E2SM-RC-EventTrigger? | ['1. E2SM-RC-EventTrigger-Format1', '2. E2SM-RC-EventTrigger-Format2', '3. E2SM-RC-EventTrigger-Format3', '4. E2SM-RC-EventTrigger-Format4'] | 0 | hard | null |
What is the purpose of the "yy" version field in the versioning scheme for O-RAN documents? | ['1. To indicate the addition of a new major feature.', '2. To indicate an incompatible change to an R1 service API.', '3. To indicate the addition of an optional feature, a technical fix, or editorial corrections.', '4. To indicate the addition of a new R1 service.'] | 2 | hard | null |
Which type of clock recovers time and phase using PTP packet exchange and utilizes physical layer clock (like Sync-E) for frequency recovery, and is used in full timing support networks as per G.8275.1 profile? | ['1. T-BC-P', '2. T-TSC', '3. T-BC-A', '4. T-TSC-P'] | 1 | hard | null |
What is the maximum number of spatial/antenna streams supported in the LTE FDD IOT Profile 2? | ['1. 1', '2. 2', '3. 4', '4. 8'] | 2 | hard | null |
What is the purpose of comparing the payload of the uplink signal with the payload of the signal communicated on the O-RAN interface? | ['1. To ensure the O-RU is properly configured for operation.', '2. To verify the accuracy of the signal transmission and reception.', '3. To determine the power level of the signal source.', '4. To synchronize the O-RU using G.8275.1.'] | 1 | hard | null |
What organization is responsible for producing the O-RAN.WG6.O-Cloud Notification API-v03.00 Technical Specification? | ['1. The O-RAN Alliance', '2. The Open Networking Foundation', '3. The 3GPP', '4. The GSMA'] | 0 | hard | null |
What is the minimum number of elements required in the "tspResources" array within an O-RAN specification? | ['1. 0', '2. 1', '3. 2', '4. 3'] | 1 | hard | null |
What is the maximum relative time error allowed between two O-RUs air interfaces when using ITU-T Level 6A, eCPRI Cat B? | ['1. ± 130ns', '2. ± 260ns', '3. ± 520ns', '4. ± 1040ns'] | 1 | hard | null |
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