Huawei H11-879 Exam Practice Test Instant Access

Question 1

Which of the following files is necessary to deploy an automatic version upgrade of an eSpace IP phone? () Multiple choice

AVersion upgrade file B in Bin format.

BUpgrade policy file

CAddress book

DLog file

Answer : A, B

Question 2

Regarding the IP phones and analog phones in the U1900 system, which of the following statements is correct ()

AIf you want to successfully register IP phones A and B to the U1900 system, the U1900 system must include the MTU board

BWhen IP phones A and B have successfully registered to the same U1900 system, if IP phones A and B are able to dial each other, the U1900 system must include an MTU board

CWhen IP phone A and B have successfully registered to the same U1900 system, if IP phone A calls When calling IP phone B, IP phone B is busy, then if you need IP phone A to hear busy Line tone, the U1900 must contain MTU board

DIf IP phone A and analog phone C (directly connected to the ASI board of U1900) are successfully registered to U1900, when A calls C, U1900 may not contain MTU board

Answer : C

Question 3

In the H.460 public and private network traversal networking, one SC is deployed in the internal network and one SC is deployed in the DMZ are

a. What are the benefits of this networking? () Multiple choice

AReduce the firewall port configuration between the intranet and the DMZ zone

BThe intranet SC assumes the H.460 Client to solve the problem that the intranet does not support H.460 terminal traversal between public and private networks

CTwo SCs can backup each other

DTwo SCs can achieve load sharing

Answer : A, B, D

Question 4

In the U1900+SC solution, if a conference reservation is made through SMC2.0 and a multi-party telephone terminal is called, the following statement is correct () multiple choice

AAfter each IP phone terminal mixes on U1900, U1900 sends the mixed voice to MCU

BEach IP phone terminal directly interacts with the MCU for media streaming

CAfter each IP phone terminal completes the audio mixing on the U1900, it is sent to the MCU. If there is a video phone in the IP phone, its video media is directly sent to the MCU

DIf there is a PSTN phone in the conference held by the video conferencing system, the media stream of this PSTN phone must go through the U1900 system

Answer : B, D

Question 5

In the H.460 public-private network traversal network, which of the following functions does TS need to have? ()

ANAT

BGK Server

CGW Server

DH.460.19 Server

Answer : C

Question 6

If AAC_LD uses a coding rate of 48kbps and a packing time of 20ms, what is the IP bandwidth occupied by the codec () kbps

A80

B74.4

C64

D76.6

Answer : C

Question 7

In the Converged Conference 3.0 solution, no matter whether the multimedia cascade mode or the MCU center mode is used, all the audio and video media streams of the Web client need to be forwarded by the USM/MS system as a proxy? Correct or Wrong

ACorrect

BWrong

Answer : A

Huawei H11-879 HCIE - Enterprise Communication (Written) Exam Practice Test