Which of the following are possible causes of NRDUCELL unavailability? (Choose All that Apply)

• A.RF fault
• B.BBP fault
• C.Insufficient CPRI bandwidth
• D.Clock exception

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If the configuration data of a new BTS5900 base station cannot be loaded remotely, which of the following can be used to for local data configuration?

• A.Loading through the centralized maintenance system
• B.Loading through the Web LMT
• C.Loading through the PnP mode
• D.Loading through the MAE

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Generally, the gNodeB synchronizes time information from the OSS. Which of the following commands is used to configure the IP address of the time server?

• A.ADD NTPC
• B.ADD GPS
• C.ADD IPCLKUNK
• D.ADD OMCH

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Which of the following statements about a self-contained slot is Incorrect?

• A.Faster downlink hybrid automatic repeat request (HARQ) feedback and UL data scheduling to reduce the RTT.
• B.Prolonged sounding reference signal (SRS) transmission period to track fast channel changes and Improve MIMO performance.
• C.High requirements on latency of terminal hardware processing.
• D.Increased GP overhead due to frequent uplink-downlink switching.

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In the contention-based random access procedure, which of the following is related to the time-frequency position of the PRACH used by the UE?

• A.C-RNTI
• B.SSB beam ID
• C.PCI
• D.BWP

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