NEW QUESTION 50
H.323 The last digit 3 in the protocol represents ().

NEW QUESTION 51
Several video compression standards that are currently widely used include: H.261H.263 and H.264 and MPEG-1. MPEG-2 and MPEG-4. Its H.26X series of standards is primarily used for real-time video communications, and the MPEG series of standards is primarily used for video storage (DVD), video broadcasting, and video streaming.

NEW QUESTION 52
SEC: Super Error Concealment is an anti-packet loss technique using the ARQ algorithm.

NEW QUESTION 53
In the camera control of the WEB interface, only the local camera can be controlled, not the remote camera. ( )

NEW QUESTION 54
The function of the redirect server is to map the addresses in the request to zero or more new addresses, which are returned to the client.

NEW QUESTION 55
In the networking, in which stage of signaling transmission occurs, such as the transmission keep-alive duration, keep-alive port, and keep-alive fields?

NEW QUESTION 56
The video self-ring is mainly used to detect whether the local video input and output are normal.

NEW QUESTION 57
Network segment bandwidth limitations can cause endpoints to fail to register GKs . ( )

NEW QUESTION 58
The private network terminal does not enable NAT, and the public network terminal calls the private network terminal inside the firewall to fail, and the root cause is ( ).

NEW QUESTION 59
For the SDP protocol, line c contains information about the connection established for a multimedia session, which indicates the IP address used by the real media stream . ( )

NEW QUESTION 60
Color temperature affects the reproducibility of the color of the video image, the higher the color temperature, the more color. ( )

NEW QUESTION 61
The gatekeeper issues an address resolution request to other gatekeepers, which signaling can implement this function. ( )

NEW QUESTION 62
Cascading between MiniMCU, the default caller will be the primary MCU and the MiniMC that is already the primary MCU will be called It will not be changed again during the meeting. ( )

NEW QUESTION 63
Which of the following features does the gatekeeper provide (3 answers).

NEW QUESTION 64
Which of the following actions will prevent users from dialing the MCU’s IVR number from the terminal to create a meeting?

NEW QUESTION 65
How many ways can A venue join an IVK meeting?

NEW QUESTION 66
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.

NEW QUESTION 67
Which of the following messages is used for endpoint registration ( ).

NEW QUESTION 68
The protocol that can implement video codec is ( ).

NEW QUESTION 69
defines the load head RTP load head structure for the A/B/C3 mode as ( ) mode.

NEW QUESTION 70
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)/