Huawei H11-861 - Questions & Answers
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Basic functions of the firewall include: Content Filtering, User Authentication, VPN, Application Proxy, NAT, Packet Filtering & Status Detection, IDS and Alarming,Logs. ( )
In video conferences, in order to improve the voice quality, we can use Audio Enhancement Technologies such as( )- (Select 3 answers)
The quality of digital signals depends on the following factors. ( ) (Select 3 answers)
For Basic request messages, ( ) is used for querying the SIP server capabilities.
Audio Enhancement Technologie-ANR is used to adjust the voice volume of a telephone call. ( )
Over an H.460 network, communication between the video terminal and client GK complies with ( ).
Originally, MCU cascading involves one cascaded channel, which can transmit one channel of video stream. In a telepresence conference, the channel can transmit only the video for the pane in the center.After multi-channel cascading is supported, each level of MCU can transmit multiple channels of video streams and therefore can transmit all three panes in a telepresence conference, to improve user experience.( )
Functions of RTP in voice over IP are as follows: Real-time transmission of media data; Jitter cancellation,
Packet ordering, Packet loss prevention, Transmission of DTMP signal, signal tones, and signaling in some situations. ( )
After you define the open logical channel on a private network terminal inside a firewall, if ( ), the media streams can be transmitted in one direction only.
Which of the following items is not filtered by the firewall. ( )