QUESTION: 9

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.

The firewall does not have the relevant port enabled.
The private IP address cannot be found for media stream transmission.
The master and slave relationship cannot be determined.
Capability negotiation cannot be implemented.

Answer(s): A

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QUESTION: 10

Which of the following items is not filtered by the firewall. ( )

Source address
.B. Source port number
Destination address
Destination port number

Answer(s): C

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QUESTION: 11

The sharp and smooth policy is applicable to single-point conferences and multiple local points conferences, except multiple remote points conferences. ( )