QUESTION 101
H.460.19 specifies the public-private network traversal processing of H.323 call control signaling.

QUESTION 102
On top of UDP, the H.323 protocol is divided into (). (3 answers).

QUESTION 103
The H.323 six-step call process applies to all H.323 nodes.

QUESTION 104
RTCP is a real-time transport protocol that can be used as a way to detect and control data transmission, and this protocol cannot be upgraded to a large multicast (multicast) network.

QUESTION 105
If both the sender and receiver () are the same, the MCU forwards directly. (3 answers).

QUESTION 106
When using MCU wall riding mode, the terminal on the GE0 side can call the terminal on the GE1 side over IP.

QUESTION 107
In a networking network, the H.245 TCP connection of the private network terminal is established with TS.

QUESTION 108
H.460 Signaling Interoperability Scheme ( ).

QUESTION 109
Master-slave decisions are mainly used to prevent both parties from triggering the same unsharable event or resource at the same time during communication, so a master party needs to be identified in advance. When a conflict occurs, the slave shall act at the discretion of the master.

QUESTION 110
H.460 In networking, the communication between the terminal and the clientGK follows the protocol ( ).

QUESTION 111
At present, the sampling method mainly used in video communication: 4:2:0 sampling method ().

QUESTION 112
Regarding the auxiliary IP of high-definition terminals, the following statement is wrong ( )o

QUESTION 113
After the terminal enables the NAT setting, it can change the content of the packet message, which mode can be used for NAT networking to achieve public and private network communication

QUESTION 114
Which of the following endpoints does not have MiniMCU functionality?

QUESTION 115
08:08:01 ARJ sendto[(61.131.13.141:1719)][Caller][59512724][(61.131.13.141:
1720)][Callee][59522000051][[Oxoooo006d:err.cal1 callee_offline)] From the logs caught above, which of the following is the cause of the call failure?

QUESTION 116
Among the four elements of packet filtering that can generally be omitted by firewalls, the condition is. ( )

QUESTION 117
The network diagnostic tool supports remote diagnostic mode, and the network diagnostic tool remotely controls another network diagnostic tool to initiate a network diagnosis and judgment against other network diagnostic tools.

QUESTION 118
For reverberation, the pickup is dominated by a direct sound, and the appropriate amount of reverberation sounds thicker, and it is recommended that the pickup direct sound be around 90%.
However, the reverberation sound after 50ms will affect the language comprehensibility, and it is recommended that the sound energy reached within 50ms accounts for more than 80%.

QUESTION 119
In an RTP message, Timestamp reflects the sampling moment of the first bit in the RIP packet. The instantaneous accuracy of sampling must meet the synchronization requirements for synchronization and jitter calculations. The starting value of the time flag is random and will be incremented with the size of the message dat a.

QUESTION 120
For the SDP protocol, the m line, also known as the media line, describes information such as the type of media supported by the sender, where the second parameter is ( ).

QUESTION 121
H.460 In a networking network, the SETUP connection of the private network terminal is ().

QUESTION 122
Message is the basic unit of the SIP protocol, the basic unit of interaction between the client and server sides