Which of the following GTP v2 messages can only operate on one bearer?
Regarding the Qos architecture of EPS, which of the following statements is incorrect?
LTE systems provide only packet-switched connections; it does not provide circuit switched connection.
The UMPT board is the master control board of the BBU3900 and must be inserted in slot 7 first.
Which of the following processes can the UE perform when it is in the RRC_IDLE state? (Multiple choice)
CPRI interfaces link-state lamp light, red light 1s on, 1s off means?
UBBPda supports both TDD LTE and FDD LTE.
The RET interface on RRU is used to connect tunable antenna.
A single BBU3910A supports a maximum of 18 cells.
In SAE, which of the following entities is used to handle the user plane of the S1 interface?
Which of the following are the FFT sizes that LTE support? (Multiple choice)
Which of the following statements is incorrect for multiple PDN connection?
After the RRC and S1 connection are released between the UE and the MME, which of the following is the EMM status and the ECM status of the UE respectively?