H11-879 Online Practice Questions and Answers

Which of the following methods can reset the web login password of the TE terminal? () Multiple choice

A. When the system is just started, long press the mode button of the TE30 terminal

B. When the system is running normally, long press the Reset button on the TE60 terminal

C. Log in to the TE40 terminal via SSH and enter web password 0

D. Restore factory settings via remote control

Huawei TE series terminals make point-to-point calls, and the video-related settings are all "automatic", the following statement. The correct one () (multiple choice)

A. In the case of sufficient bandwidth, the main video is given priority to the 1080P60 format.

B. In the case of sufficient bandwidth, the main video is given priority to the 1080P30 format

C. In the case of sufficient bandwidth, 720P60 format is preferred for the main video

D. In the case of sufficient bandwidth, 720P30 format is preferred for the main video

Which of the following is correct about backing up and restoring data on U1900 series unified gateways? () (multiple choice)

A. Execute the save command before each backup

B. After importing data.bin every time you restore, execute the save command and then restart

C. There is no need to execute the save command during backup and restore

D. TFTP tool needs to be enabled for backup

When the number of bills exceeds the limit of the number of bill pools of the U1900 unified gateway, which statement is correct? () (multiple choice)

A. can be set to choose to overwrite old bills

B. can be set to discard new bills

C. It may cause the unified gateway to fail to register new users

D. May cause all users to be unable to initiate calls

Among the following types of boards, the one that can provide the function of connecting the U1960 to the PSTN is () (single choice)

A. SCU

B. ASI

C. MRS

D. OSU

In the U1900 series unified gateways, what is the correct statement about the prefix? ()

A. The prefix is divided into intra-office prefix and outgoing prefix

B. Intra-office prefix refers to the prefix used when dialing between different extensions of the same company

C. Since prefix 28 includes prefix 289, the system performs the called number according to the maximum matching principle Analysis, the call with the called number 28901111 should choose prefix 28

D. The prefix must correspond to the office route selection code

What protocol does the video conference terminal use to ensure the security of SIP signaling transmission () (single choice)

A. TLS

B. SRTP

C. HTTPS

D. RTCP

Which of the following SIP message header field parameter combinations can identify the uniqueness of the call? () Multiple choice

A. From

B. To

C. CSeq

D. Call-ID

An enterprise has purchased 3 U1960s, and the number of IP phone users is about 2500. Which networking method is suitable for these 3 U1960s? () (single choice)

A. Multi-node centralized call management networking

B. Peer-to-peer distributed call management networking

C. Convergent Distributed Call Management Network

U1900 and the original traditional PBX can be connected through () to protect customers' early investment () (Multiple choice)

A. AT0

B. PRA

C. SIP

D. H.323