Download Valid H11-879_V2.0 dumps for best preparation
Exam
: H11-879_V2.0
Title
: HCIE-Collaboration
(Written) V2.0
https://www.passcert.com/H11-879_V2.0.html
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1.What is the core reason why video conferencing supports public and private network traversal?
A. There is a firewall or NAT, so public and private network traversal must be supported.
B. Signaling and media transmission channels are not unified
C. There is a media transmission address in the signaling, and the NAT device only performs address
translation on the IP header, so public and private network traversal processing is required.
D. Because the network performs address translation on IP packets
Answer: C
2.Users can initiate a multipoint conference through the terminal. Which of the following methods does
this conference convening method belong to?
A. Calling call set
B. SMC convenes a meeting
C. SMS call
D. Unified access number call
Answer:A
3.In video conferencing, which anti-packet loss method will not increase network bandwidth?
A. ARQ packet loss retransmission
B. FEC forward error correction
C. Packet loss compensation PLC
D. Redundant coding
Answer: C
4.Which of the following descriptions about HD terminals is correct?
A. HD video terminals cannot communicate with SD video terminals
B. HD video terminals must be registered to GK to communicate
C. The high-definition video terminal supports remote control of the camera
D. The password for the HD video terminal WEB page cannot be empty.
Answer: C
5. Huawei video network recording and broadcasting solution, which description of the recording and
broadcasting server is incorrect?
A. During the meeting, users can watch the meeting through a PC browser, similar to a live broadcast.
B. After the meeting, users can watch the meeting recording saved on the recording server through the
PC browser.
C. The recording and broadcasting server supports encoding and decoding functions.
D. The recording server can record and on-demand MCU media streams.
Answer: C
6.Which statement is correct about Huawei's video network recording and broadcasting solution?
A. Only the SMC interface and telepresence central control interface can control recording and playback.
B. The terminal recording and broadcasting request will be sent to the MCU, and then the MCU will
perform unified recording and broadcasting operations.
C. When the meeting ends, the recording server will return the recording address to SMC, and SMC will
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notify the user via email to watch on-demand.
D. Support point-to-point recording and local recording
Answer: C
7.If the SMC conference administrator does not enable conference recording when booking a meeting,
which of the following operations can he use to enable recording during the meeting?
A. Enter the conference control interface>Details>Recording to start recording.
B. Notify the SMC system administrator to perform the following operations: Device management
recording server > Start recording
C. Enter the conference control interface>More>Recording to start recording
D. Unable to start recording
Answer: C
8.The video system is a value-added service based on the communication network that integrates
multiple media processing, including () media communication.
A. Message communication
B. Audio communication
C. Video communication
D. Data communications
Answer: BCD
9.The essence of a video conferencing system is audio and video communication. Currently, there are
many free audio and video communication software on the Internet, and video conferencing systems are
relatively expensive. Comparing video conferencing systems with free audio and video communication
software on the Internet, which of the following are their essential difference point?
A. Different framework agreements are used
B. Use different cameras, microphones, etc.
C. The encoding and decoding protocols used are different
D. Audio and video codec processing and effects are different
Answer: BD
10.Usually, the actual bandwidth occupied by video conferencing is higher than the conference bandwidth.
What are the possible reasons?
A. The IP data header occupies a certain bandwidth
B. Signaling interaction data occupies a certain bandwidth
C. UDP data header occupies a certain bandwidth
D. Packet loss and retransmission occupy a certain bandwidth
Answer: ACD
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