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On N1og's F1ash graphical interface, we can check the network status of the terminal by checking different data types, such as checking NRJ, the interface will show the jitter of the current terminal receiving packets. Then, by checking the box, you can see the packet loss rate of the demo code stream received by the terminal. (Please fill in the English abbreviations)/

What is the range of empty field noise requirements in the acoustic key indicators?

A.

Less than or equal to 50dB

B.

Less than or equal to 60dB

C.

Less than or equal to 40dB

D.

Less than or equal to 30dB

The feed can only be displayed on the same monitor as the mainstream, not independently.

A.

True

B.

False

Which of the following networking methods does the MCU support?

A.

Built-in web networking

B.

Cascaded networking

C.

IMS networking

D.

Public-private networking cross-networking

Which of the following represents the meaning of the response message 3xx?

A.

Indicates that the SIP server failure could not complete the processing of the correct message

B.

The request message has been received and is being processed

C.

The request was received, processed, and successfully accepted by

D.

A forward-step action must be used to complete the request

In the Huawei Recording solution, administrators can convert on-demand pending and on-demand published AP4 format videos to which of the following formats for users to download?

A.

wmv

B.

asf

C.

avi

D.

flv

Which of the following descriptions of the SIP protocol is correct?

A.

Used to transmit voice packet

B.

can be transmitted over

C.

TCP is a transport layer protocol

D.

Cannot transmit answers on UDP

What properties does the color rendering index affect on the color of a video image?

A.

Clarity

B.

Saturation

C.

Light and dark

D.

Reductive

In the process of processing the video signal of the video terminal, the chip is responsible for encoding and compression. (Please fill in the English abbreviations).

The principle of the built-in MCU of the terminal is that the terminal with the built-in MCU is connected to each terminal separately.

A.

True

B.

False

In June 2002, SIP was adopted (), which is the core specification for the SIP protocol.

Which of the following protocol messages does Wireshark support decoding?

A.

TCP

B.

H. 263

C.

RIP

D.

IP

How often does the terminal default interval report packet loss to the MCU?

A.

6s

B.

20s

C.

15s

D.

1s

The SIP protocol is an application-layer protocol.

A.

True

B.

False

When two parties have a video conferencing call, a voice stream and a video stream are generated, where the RIP stream contains the voice stream and the RTCP stream contains the video stream.

A.

True

B.

False