Cisco 3521 Bedienungsanleitung PDF herunterladen (Seite 17)

Exam Name: Rich Media Communications

Exam Type: Cisco

Exam Code: 642-481 Total Questions: 55

Page 17 of 17

Company.com currently has a room-based videoconferencing system that is connected to the

PSTN via three BRIs. Company.com is converting to H.323 and would like to continue using the

BRIs to make video calls to the suppliers. Which device should the company deploy?

A. Cisco IPVC 3511

B. Cisco IPVC 3521

C. Cisco IPVC 3526

D. Cisco IPVC 3540

Answer: B

Question: 54

How should the IP-to-IP gateway be configured to support video codecs across all dial peers?

A. Use the codec transparency enable command under the voice class codec in the Cisco

B. Multiservice IP-to-IP Gateway.

C. Configure codec class transparent in the gateway configuration page in Cisco CallManager.

D. Use the codec preference command under the voice class codec in the Cisco Multiservice IP-

to-IP Gateway.

E. Use the codec command to configure codec transparency for the Cisco Multiservice IP-to-IP

Gateway.

Answer: C

Question: 55

Company.com is installing an IP videoconferencing system in the corporate office. Users need

the ability to dial out to external H.320 videoconferences. Company.com is installing a

videoconferencing gateway, but is concerned that outside callers may be able to dial the gateway

and then hairpin back out to the PSTN. What does Cisco recommend to ensure that this cannot

happen?

A. Set up the gatekeeper to allow only outgoing calls that originate internally.

B. Configure the Cisco CallManager so that the gateway terminates hairpinned calls.

C. Configure the gateway to allow only outgoing calls that originate internally.

D. Use the "#" digit in the service prefix so that hairpinned call attempts will fail.

Answer: D

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Cisco 3521 Bedienungsanleitung Seite 17