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Huawei H31-411 Exam Syllabus Topics:

Huawei HCIA-LTE V1.0 Sample Questions:

1. Which of the following is the input parameter for the SGW selected by the LTE/EPC network?

A) TA
B) IMSI
C) IP
D) UGTI

2. Which sub-functions are the RF subsystem functions included in the following? (Multiple Choice)

A) Complete the send and receive processing functions of the wireless signal
B) Provide interface of base station and antenna system
C) Complete uplink and downlink baseband data processing functions
D) Provide interface of base station and the external clock source

3. About the description of the gateway selection in EPC, which of the following are correct?
(Multiple Choice)

A) If UEA activates multiple PDN connections to a APN, these PDN connections can choose different PGW
B) Should try to choose the P-GW unity with the selected S-GW
C) MME select S-GW according to the UE's current TAI
D) In the process of Attach, select S-GW using the DNS parse function based on TAI

4. What are the shortcomings of OFDM? (Multiple Choice)

A) Low spectrum efficiency and high bandwidth occupancy
B) Require precise frequency and time synchronization
C) High PAPR
D) Doppler frequency-domain orthogonality between the carriers easily primers

5. Regarding random access, which of the following situations may use non-competitive random access? (Multiple choice)

A) When the UE is in the connected state, the downlink data arrives for random access for some reason (ENB considers that the UE is out of synchronization)
B) Because the radio link conditions are not good (failure), the RRC connection is reestablished, and the UE will initiate random access.
C) When the UE is in the connected state, the uplink data arrives for some reason (the UE thinks that its uplink is out of synchronization) and needs random access.
D) When the UE performs handover, the UE initiates random access in the target cell.
E) Initial RRC connection establishment, when the UE goes from idle state to connected state, the UE will initiate random access.

Solutions: