Huawei Huawei Certifications H11-861 Questions & Answers

• Question 11:

  Color temperature is a measure of the quality of optical source and spectrum. The unit of the color temperature is lux (Ix).( )

  A. TRUE

  B. FALSE

  Correct Answer: B

• Question 12:

  The following descriptions for CR101/CR102 Reach Network Recording and Streaming Server, which is error ( ).

  A. It allows users to watch the meetings through the PC browser during the course of the meeting,similar to the live broadcast.

  B. It allows users to watch the video saved in the Recording and Streaming Server through the PC browser after the meeting ends.

  C. The Recording and Streaming Server can support the codec functions.

  D. The Recording and Streaming Servers have the functions of recording and on-demand of the media streaming of the MCU.

  Correct Answer: C

• Question 13:

  140 Caption can be sent or received by only endpointe that support T.140 captions.( )

  A. TRUE

  B. FALSE

  Correct Answer: A

• Question 14:

  Only when the remote sites support T.140, banners, captions, or instant messages can be sent to one specific site in T.140 mode. ( )

  A. TRUE

  B. FALSE

  Correct Answer: A

• Question 15:

  In RTP packet, the sequence number increments by one for each RTP data packet sent, and may be used by the receiver to detect packet loss and to restore packet sequence. ( )

  A. TRUE

  B. FALSE

  Correct Answer: A

• Question 16:

  In essence, NAT is to change the headers (source address) in packets to NAT addresses.0

  A. TRUE

  B. FALSE

  Correct Answer: A

• Question 17:

  Video streams sent from the MCU to the recording server can be ( ) on the server. (Select 3 answers)

  A. Live broadcast

  B. Played on demand

  C. Uploaded

  D. Downloaded

  Correct Answer: ABD

• Question 18:

  MCU Video Firewall Mode has advantages, but it also has limitations,such as( ). (Select 3 answers)

  A. The MCU supports communication between only two networks. The communication among more than two networks, however, is not supported.

  B. The GEO port must register with a GK. The GE1 port is used only for calls by number

  C. The endpoint at the GE1 side does not support the SiteCall service.

  D. Sites connected through GE1 ports does not support service switchovers.

  Correct Answer: ACD

• Question 19:

  Firewall is a kind of protection to prevent network attack, and protect the legal communication between two networks. ( )

  A. TRUE

  B. FALSE

  Correct Answer: A

• Question 20:

  For INVITE transaction, messages are retransmitted at intervals of ( ) by default.

  A. 500ms, Is, 2s, 4s, 4s, 4s

  B. 500ms, Is, 2s, 4s, 8s, 16s

  C. 500ms, Is, 2s, 4s, 8s, 8s

  D. 500ms, Is, 2s, 4s, 16s, 16s

  Correct Answer: B