Huawei H11-879 Exam Practice Test Instant Access

Question 1

In the VoIP system, what are the factors that affect the quality of voice calls? () Multiple choice

AJitter

Bdelay

CPacket loss

Dbandwidth

Answer : A, B, C, D

Question 2

H.264 encoding, the main reason for blocking is () (single choice)

AThe macro block is in the intense motion area, the difference is big, resulting in obvious edges

BThe quantization level of the coding block jumps, resulting in sudden brightness changes at the boundary

CUnreasonable division of macroblock coding modes, resulting in false edges

DDeblocking filter (Deblocking) is not strong enough, resulting in not smooth edges

Answer : B

Question 3

The public and private network traversal problems solved by the H.460 protocol mainly include () (multiple choice)

APrivate network terminal calls public network terminal

BPublic network terminal calls private network terminal

CThe private network terminal receives the media stream sent by the public network terminal

DThe public network terminal receives the media stream from the private network terminal

Answer : B, C

Question 4

As shown in the figure (there is a picture, a screenshot of the call status, showing the video packet loss rate, which is 14.8%), when the chairman broadcasts the TE terminal, the terminal sees the sending packet loss rate of 14.8%, indicating that there may be other The terminal watched the venue, and the packet loss rate reached 14.8%. () Right or Wrong

ARight

BWrong

Answer : B

Question 5

The customer purchased two SCs, namely SC1 and SC2. Even if SC1 is configured with 1 service IP and SC2 is configured with 2 service IPs, it will not affect the configuration of SC1 and SC2. () Right or Wrong

ARight

BWrong

Answer : B

Question 6

In the central networking mode of the converged conference MCU, what is correct about the traversal of public and private networks? () (Multiple selected)

ATE/RP/TP access MCU through SC proxy signaling and media stream

BeSpace Mobile accesses MCU C through SBC proxy audio and video media.

CExternal web client access MCU through MS proxy audio and video

DeSpace PC connects to MCU through SC proxy signaling and media stream

Answer : A, B, C

Question 7

Regarding the Fusion Conference 3.0 solution, which of the following statements is correct () (single choice)

AThe account to log in to the eMP system needs to be created in the eMP system

BThe eMP system accesses the BMU system to obtain UC system address book information

CThe eMP system queries the address book information of the video conferencing system by accessing eUA

DeSpace Web Query the address book information of the video conferencing system by accessing eUA

Answer : C

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