最新的Huawei-certification認證 H31-421-ENU考試題庫

問題1

Which of the following scheduling methods can be used to get the maximum cell throughput?

A. Round Robin

B. Proportional Fair

C. The maximum dry load ratio (MAX C/I)

正確答案: C

問題2

Which of the following event does indicate that the serving cell's signal is above a certain threshold?

A. A4 event

B. A3 event

C. A2 event

D. A1 event

正確答案: D

問題3

Which stages is Switching divided into? (Multiple choice)

A. switching implementation

B. Switch preparation

C. Measurement report

D. switching completed

正確答案: A,B,D

問題4

Which of the following statements about special sub-frames are wrong? (Multiple choice)

A. DwPTS and UpPTS can carry uplink and downlink information, GP is used to avoid the downlink signal (delayed arrival) to disturb the uplink signal (early transmission)

B. DwPTS can be configured to random access preamble, UpPTS can contain scheduling information

C. The guard period (GP) exists only between special sub-frames

D. Special sub-frames include downlink pilot timeslot, guard period and uplink pilot time slot

正確答案: B,C

問題5

Which route types can be configured when using the ADD ADDRT command to configure a route? (Multiple choice)

A. Host routing

B. Segment routing

C. Default default route

D. Direct routing

正確答案: A,B,C

問題6

Which of the following bandwidths can LTE support?

A. 5M Hz

B. 10MHz

C. 3M Hz

D. 20MHz

E. 1M Hz

F. 15MHz

正確答案: A,B,C,D,F

問題7

LTE duplexing can use FDD and TDD, what is the advantage of TDD? (Multiple choice)

A. Channel estimation is simpler and power control is more accurate

B. Doppler's effect is small, good mobility support

C. For asymmetric business resource, utilization is high

D. Support asymmetric spectrum

正確答案: A,C,D

問題8

There are several ways to configure eNodeB, such as GUI mode, MML command mode and Summary acquisition mode.

A. False

B. True

正確答案: B

問題9

The "ART" LED on the LMPT board is always on to indicate that the LMPT board is in the active state.

A. False

B. True

正確答案: B

問題10

Normal cyclic prefix is mainly used for long distance coverage scenario.

A. False

B. True

正確答案: A

問題11

The LBBP board cannot be installed on the new BBU3910. Only UBBPs can be installed.

A. False

B. True

正確答案: A

問題12

In LTE, OFDMA is for uplink and SC-FDMA for downlink.

A. False

B. True

正確答案: A

最新的Huawei HCIP-LTE (Huawei Certified ICT Professional-LTE) - H31-421-ENU免費考試真題

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