Huawei H11-879 Exam Practice Test Instant Access

Question 1

In the videoconferencing system, the MCU and T1 and T2 are deployed on the private network, and T3 is deployed on the public network. The MCU is used for wall-mounted networking. The following statement is wrong () (single choice)

AThe GE0 port of the MCU is registered with GK, and the GE1 port is only used for IP address call

BConnect T2 to the network on the same network segment as the GE0 port of the MCU

CConnect T3 to the network on the same network segment as the GE1 port of the MCU

DThe MCU's GE0 port and GE1 port can be connected to the same network segment

Answer : D

Question 2

The following are not part of the H.245 capability set ()

AH.235

BH.239

CH.350

DH.460

Answer : C

Question 3

IAD supports configuration methods including (). (Multiple choice)

AWeb

BLMT

CCommand Line

DeSight

Answer : A, C, 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 remote disaster recovery scenario, when the master node (U1981) fails, POTS user A of a branch node (The branch site equipment is U1911). If you make an outgoing call to the local PSTN user B through the branch node, the network element through which the SIP signaling of the call passes is ().

AU1911->Preparation U1981->U1911

BPrepare U1981->U1911

CU1911

DU1911->Main U1981->Backup U1981->U1911

Answer : A

Question 6

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 7

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

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