Huawei H11-861_V2.0 問題練習

Question No : 1
Among the six basic request messages, () is used to query server capabilities.

• A.OPTIONS
• B.INVITE
• C.REGISTER
• D.ACK

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Question No : 2
For the SDP protocol, the m line is also called the media line, which describes the information such as the media type supported by the sender, and the second parameter is?

• A.Transmission Protocol
• B.Media name
• C.Number of four payload types supported
• D.Port number

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Question No : 3
SDP (Session Description Protocol) is a transport layer control protocol used to describe multimedia sessions.

• A.TRUE
• B.FALSE

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Question No : 4
The single value in the header field can only appear once in the message, such as Via, Route, etc.

• A.TRUE
• B.FALSE

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Question No : 5
The opening process of the logical channel in the H323 protocol follows the principle of "whoever transmits, whoever opens it".

• A.TRUE
• B.FALSE

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Question No : 6
GK must support BRQ, BCF r BRJ messages and accept all bandwidth modification requests.

• A.TRUE
• B.FALSE

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Question No : 7
What is the reason for the call failure can be seen from the logs captured above?

• A.The callee is busy
• B.Insufficient call bandwidth
• C.Failed to negotiate capabilities
• D.The callee is offline

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Question No : 8
The core of NAT mapping is to modify the destination address of the datagram header.

• A.TRUE
• B.FALSE

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Question No : 9
The signal flow of the audio loop is?

• A.Microphone->Audio Input->Audio Output->Speaker
• B.Audio Output->Audio Input->Speaker->Microphone
• C.Microphone->Audio Output->Audio Input->Speaker
• D.Speaker Audio Input -> Audio Output -> Microphone

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Question No : 10
Colors with opposite ends of any diameter of the color wheel are called complementary colors.

• A.TRUE
• B.FALSE

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Question No : 11
The final effect of a video conference is only related to the conference equipment itself, and has little to do with the integrated environment of various peripherals in the conference room.

• A.TRUE
• B.FALSE

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Question No : 12
The intelligent control system includes video system, audio system and others. Which of the following is not a video system?

• A.Video Input System
• B.Pickup System
• C.Lighting system
• D.Video Display System

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Question No : 13
Color temperature is the most common indicator of the spectral quality of a light source, and the unit is Lux (lx).

• A.TRUE
• B.FALSE

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Question No : 14
For the SDP protocol, line c contains information on the connection established for the multimedia session, which indicates the IP address used by the actual media stream.

• A.TRUE
• B.FALSE

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Question No : 15
​​CANCEL transaction can only be sent after a provisional response to an INVITE (including 100) is received before the final response.

• A.TRUE
• B.FALSE

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