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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 the same mobility context between UE and corenet

B.

Through the EPS ATTACH process, UE can also obtain network-assigned IP addresses

C.

Establish default hosting between UE and the core network

D.

Listen on the network to get downstream synchronization

When a CPE device is upgraded in the near end, the firmware upgrade of the primary and standby areas can be completed at the same time as the "Update" upgrade operation.

A.

Correct

B.

Errors

When using the ACT CFGFILE command to clear gNodeB data, which product type is recommended to choose?

A.

BTS3900

B.

DBS3900

C.

DBS5900_NR

D.

DBS5900_LTE

Execute "route add 10.10.10.0 mask 255.255.255.0 192.168.5.1 -p" in the cmd window of the test computer, which one describes the error below?

A.

Commands are generally used in scenarios where the PC has many network cards

B.

You can use route print to confirm whether the command is executed successfully

C.

The data at destination address 10.10.10.X will be sent through the gateway 192.168.5.1

D.

This command adds a temporary route

IP QoS refers to a capability of the network, that is, on the IP network that spans multiple underlying network technologies, to provide the services required by specific services, in what aspects does it obtain a predictable level?

A.

Latency

B.

Packet loss rate

C.

Jitter

D.

Bandwidth

Base station survey mainly includes two parts: base station site selection and detailed physical survey.

A.

Correct

B.

Errors

How many 100MHz NR cells does the AAU5613 support in the 17.5G RAN2.0 version?

A.

3

B.

2

C.

1

D.

4

Under the EN-DC architecture, eNodeB/gNodeB only supports configuring X2 fingers based on EndPoint.

A.

True

B.

False

Which of the following are required modules for gNodeB?

A.

IMB05

B.

UMPT

C.

UBBPfw1

D.

UPEU

How many DC power outputs can the DCDU-12B provide?

A.

8

B.

10

C.

6

D.

12