gNodeB The order in which hardware devices are added is "cabinet->chassis-> single board->RF unit".

• A.True
• B.False

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In the Sub 3G band, the maximum number of wave speeds for SSBs in NR is 16.

• A.Errors
• B.Correct

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After the 5G network UE is powered on and enters the idle state, what operations will be performed in the Attach process? (Multiple Choice)

• A.Establish a default bearer between the UE and the core network
• B.Establish the same mobility context between the UE and the core network
• C.Through the EPS ATTAH process, the UE can also obtain the IP address assigned by the network.
• D.Listening network gets downlink synchronization

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IP QoS refers to the ability of a network to provide the services it needs for a particular service over an IP network that spans multiple underlying network technologies. In what ways can it be expected? (Multiple Choice)

• A.Bandwidth
• B.Delay
• C.Packet loss rate
• D.Jitter

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Which of the following power supply schemes is most suitable when the maximum power consumption of the RF horizontal block is <800W?

• A.DCDU-12B + single cable solution
• B.EPUO2D-02 + single cable solution
• C.APU + single cable solution (TDB)
• D.DCDU-12B + dual cable solution

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