QUESTION: 33

What technologies are adopted by TE series terminals to ensure the safety of signaling and media data? (multiple choice)

Support TLS protocol to ensure the security of HTTP, LDAP, FTP data transmission
Provide a secure management channel through TELNET by default
Support H.235, SIP over TLS, SRTP at the same time to ensure the safety of signaling and media data
At the maintenance and management level, it supports password complexity checking and anti-brute force cracking mechanism

Answer(s): A,C

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QUESTION: 34

In the U1900+SC solution, if a conference reservation is made through SMC2.0 and a multi-party telephone terminal is called, which of the following statements are correct? (Multiple choice)

After each IP phone terminal mixes on U1900, U1900 sends the mixed voice to MCU
Each IP phone terminal directly interacts with the MCU for media streaming
After each IP phone terminal completes the audio mixing on the U1900, it is sent to the MCU. If there is a video phone in the IP phone, its video media is directly sent to the MCU
If there is a PSTN phone in the conference held by the video conferencing system, the media stream of this PSTN phone must go through the U1900 system

Answer(s): B,D

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QUESTION: 35

One codec rate is 64kbps, and the packaging time is 20ms. What is the IP band occupied by the codec? The width is () kbps (Note: IP/UDP/RTP header is 40 Bytes, here 1kbps=1000bps)

83.6
76.6
90.4
80

Answer(s): D

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In the H.460 public and private network traversal networking, one SC is deployed in the internal network and one SC is deployed in the DMZ area. What are the benefits of this networking? (Multiple choice)

Reduce the firewall port configuration between the intranet and the DMZ zone
The intranet SC assumes the H.460 Client to solve the problem that the intranet does not support H.460 terminal traversal between public and private networks
Two SCs can backup each other
Two SCs can achieve load sharing

Answer(s): A,B,D

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QUESTION: 33

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QUESTION: 36