Exam Dumps VCE

QUESTION 111
ALG (Application Layer Gateway) is a monitoring application protocol that modifies the content of the message and opens the corresponding ports.

QUESTION 112
Which of the following is the core specification of the SIP protocol?

QUESTION 113
Under the static NAT networking, the packet of the private network terminal through the firewall will change, and the following description is wrong ( ).

QUESTION 114
H.264 video divides the image into three types of frames: I, P, and B, with I frames encoded between frames and P frames encoded in-frame.

QUESTION 115
During the work of the primary GK, the GK address registered by the terminal is the primary GK address.

QUESTION 116
The gatekeeper issues an address resolution request to other gatekeepers, which signaling can implement this function. ( )

QUESTION 117
The response message “lxx” indicates . ( )

QUESTION 118
What are the correct items for the following description of the performance of the RSE6500 product?

QUESTION 119
Due to the size of the display and the limitation of MCU resources, the number of multi-screen sprites generally does not exceed 16 sprites, otherwise the image is too small and the picture will not be clear.

QUESTION 120
Which of the following is not a disadvantage of forward error correction ().

QUESTION 121
Of the six basic request messages, ( ) is used to end the callback.

QUESTION 122
NLOG does not support saving network data as ( ).

QUESTION 123
Which of the following messages is not a status query message. ( )

QUESTION 124
The color temperature is defined by the absolute black body, the radiation of the light source in the visible region and the radiation of the absolute black body are exactly the same, at this time the Kelvin temperature of the black body is called the color temperature of this light source. ( )

QUESTION 125
When the MCU cannot connect to the SMC, what can I do to locate the cause of the failure?

QUESTION 126
The default mode of operation for the GE1 port of the MCU is ( ).

QUESTION 127
Which of the following messages indicates that the SIP server failure could not complete the processing of the correct message. ( )

QUESTION 128
The system uses the H.245 protocol as the control protocol for controlling the communication channel. ( )

QUESTION 129
The role of RTP in VoIP mainly includes: real-time transmission of media information, elimination of jitter, card performance, prevention of packet loss, in a certain situation can be transmitted DTMF signals, tones and signaling.

QUESTION 130
Color temperature affects the white balance of the camera, and where the color temperature is complex, the image can be cast.

QUESTION 131

The frame does not have complete picture data, only data that differs from the previous frame.