최신 H31-411-ENU 무료덤프 - Huawei HCIA-LTE(Huawei Certified ICT Associate-LTE)

문제1

The installation position of the GPS antenna to broaden its view of the sky, no tall buildings around. GPS antenna upright angle should not be less than 90°.

A. True

B. False

정답: A

문제2

The control plane link of the S1 interface must be manually configured and the user plane link can be self-established.

A. True

B. False

정답: A

문제3

What are the shortcomings of OFDM? (Multiple Choice)

A. High PAPR

B. Require precise frequency and time synchronization

C. Doppler frequency-domain orthogonality between the carriers easily primers

D. Low spectrum efficiency and high bandwidth occupancy

정답: A,B,C

문제4

AAU is often used in scenes where the top surface is tense.

A. True

B. False

정답: A

문제5

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

A. Should try to choose the P-GW unity with the selected S-GW

B. MME select S-GW according to the UE's current TAI

C. In the process of Attach, select S-GW using the DNS parse function based on TAI

D. If UEA activates multiple PDN connections to a APN, these PDN connections can choose different PGW

정답: A,B,C

문제6

Which of the following description is wrong about the uniqueness of the network identity?

A. Gun is unique worldwide

B. ECGI is unique worldwide

C. M-TMSI is unique within the TA

D. TEID uniquely identifies a context along with the corresponding IP address

정답: C

문제7

In the process of Attach/TAU/Handover, which of the following information are based on by MME using DNS resolution function to select the S-GW?

A. GUTI

B. TAI

C. None of the above

D. APN

정답: B

문제8

The RRU3151e-fae is used to open the dual-mode site, and in the ENodeB can configure three frequency bands.

A. True

B. False

정답: B

문제9

In LTE, which of the following is the minimum granularity of scheduling in the time domain?

A. 1ms

B. 0.5ms

C. 20ms

D. 10ms

정답: A

문제10

Which of the following is Huawei's tools for LTE road test?

A. Omstar

B. probe

C. Unet

D. RND

정답: B

문제11

A proprietary bearer can only be established if the default bearer already exists.

A. True

B. False

정답: A

문제12

Which of the following transport bearer technologies is used in the transport protocol of the S1 interface?

A. IP

B. ATM

C. E1/T1

D. ATM/IP

정답: A

문제13

Which of the following is the main role of the GP in the LTE special subframe?

A. Can resist the ISI and ICI that brought by multipath

B. Fighting inter-cell interference

C. Can reduce PAR

D. Avoid interference between the uplink and downlink

정답: D

문제14

Which layer is HARQ deployed in?

A. Physics

B. RLC

C. PDCP

D. MAC

정답: D

문제15

According to the agreement, which of the following network elements in the SAE does not need to perform AMBR control?

A. S-GW

B. eNodeB

C. P-GW

D. UE

정답: A

문제16

Which of the following protocols is used between the eNodeB and the SGW?

A. S1-AP

B. GTP-U

C. PDCP

D. GTP-C

정답: B

최신 H31-411-ENU 무료덤프 - Huawei HCIA-LTE(Huawei Certified ICT Associate-LTE)

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