[Sep-2021] Pass Huawei H11-879 Exam in First Attempt Guaranteed!
Full H11-879 Practice Test and 105 unique questions with explanations waiting just for you, get it now!
NEW QUESTION 41
IAD supports configuration methods including (). (Multiple choice)
- A. Web
- B. Command Line
- C. LMT
- D. eSight
Answer: A,B,D
NEW QUESTION 42
Regarding the IP phones and analog phones in the U1900 system, which of the following statements is correct ()
- A. If 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
- B. If you want to successfully register IP phones A and B to the U1900 system, the U1900 system must include the MTU board
- C. When 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
- D. When 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
Answer: D
NEW QUESTION 43
The human eye is more sensitive to brightness than to color. () Correct or Wrong
- A. Correct
- B. Wrong
Answer: A
NEW QUESTION 44
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, 720P30 format is preferred for the main video
- B. In the case of sufficient bandwidth, the main video is given priority to the 1080P60 format.
- C. In the case of sufficient bandwidth, the main video is given priority to the 1080P30 format
- D. In the case of sufficient bandwidth, 720P60 format is preferred for the main video
Answer: A,B,C
NEW QUESTION 45
The interconnection between two U1900 series unified gateways can only be achieved through SIP trunking. ()
- A. Right
- B. Wrong
Answer: B
NEW QUESTION 46
In the H.460 public and private network traversal single SC network, the H.245 TCP connection of the private network terminal is established with the TS (traversal server). () Correct or Wrong
- A. Correct
- B. Wrong
Answer: A
NEW QUESTION 47
How many pixels of a camera with 1080P image resolution equivalent ()
- A. 2 million
- B. 2.3 million
- C. 800w
- D. 0
Answer: A
NEW QUESTION 48
Regarding the upgrade method of eSpace IP phones, which of the following statements is correct () Multiple choice
- A. Support automatic upgrade
- B. Support single upgrade on the eSight interface
- C. Support manual upgrade
- D. Support unified upgrade on the U1900 series unified gateway web management interface
Answer: A,B,C
NEW QUESTION 49
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
- A. Right
- B. Wrong
Answer: B
NEW QUESTION 50
Regarding the output strategy of TE series terminals, which of the following descriptions is correct () (multiple choice)
- A. If dual screen is enabled, the terminal cannot display three-split screen
- B. The combined screen can only be output at the main output port and auxiliary output port
- C. The auxiliary output port defaults to display the local main video
- D. Non-main and non-auxiliary output ports, cannot output main video
Answer: A,C
NEW QUESTION 51
In the U1900+SC solution, if you need to restrict the video conferencing system's permission to call out PSTN phones through U1900, which statement is correct () (multiple choice)
- A. By default, when the video conference system uses the U1900 system to make a voice call, Permission to make intra-office/local calls
- B. By default, when the video conference system uses the U1900 system to make voice calls, it has the right to call intra-office/local/domestic long-distance calls
- C. If the video conferencing system needs the permission to call international long distance through the U1900 system, it can be modified by modifying the SIP trunk related trunkgroup calling permission between U1900 and SC.
- D. If the video conference system needs the permission to call international long distance through the U1900 system, it can be modified in U1900 by modifying the access code prefix permission of the video conference system
Answer: A,C
NEW QUESTION 52
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
- A. If 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
- B. After 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
- C. After each IP phone terminal mixes on U1900, U1900 sends the mixed voice to MCU
- D. Each IP phone terminal directly interacts with the MCU for media streaming
Answer: A,D
NEW QUESTION 53
The POTS user number in the U1900 system is bound to the analog port, and has nothing to do with the analog phone connected to the analog port () Correct or Wrong
- A. Correct
- B. Wrong
Answer: A
NEW QUESTION 54
H.264 encoding, the main reason for blocking is () (single choice)
- A. The macro block is in the intense motion area, the difference is big, resulting in obvious edges
- B. The quantization level of the coding block jumps, resulting in sudden brightness changes at the boundary
- C. Unreasonable division of macroblock coding modes, resulting in false edges
- D. Deblocking filter (Deblocking) is not strong enough, resulting in not smooth edges
Answer: B
NEW QUESTION 55
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. TFTP tool needs to be enabled for backup
- C. There is no need to execute the save command during backup and restore
- D. After importing data.bin every time you restore, execute the save command and then restart
Answer: A,D
NEW QUESTION 56
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