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单选题
Two sites are using a multisite centralized call processing model. The voice gateway on the remote branch has lost IP connectivity to its Cisco CallManager server. Which feature enables the remote gateway to take the role of the call agent during the WAN failure? ()
A

automated alternate routing (AAR)

B

Cisco CallManager Attendant Console

C

real-time protocol (RTP)

D

Survivable Remote Site Telephony (SRST)


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考题 单选题A company is using a multi-site centralized call processing model. Which feature ensures that the remote site IP phones will still have limited functionality given a WAN outage?()A Call Admission ControlB TAPIC MGCPD SRST

考题 单选题Acme Company has several offices around the country. The company has deployed a VoIP network with Cisco Unified CallManager in a multisite centralized configuration but there is a requirement to place a call agent at some of the remote sites. Which IOS gateway feature should be deployed at the remote site to enable local call control?()A  Gatekeeper multizoneB  Call Admission Control (CAC)C  Automatic Alternate Routing (AAR)D  Survivable Remote Site Telephony (SRST)E  Cisco Unified CallManager Express (CME)

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考题 单选题Which statement is true about the distributed call control in a VoIP network?()A the VoIP endpoints have the intelligence to set up and control callsB Call setup and control functionality is centralized in one call agent or clusterC Call setup and control resides in call agents that are distributed throughout the networkD Each VoIP device has separate call control, voice packetization, and transport mechanisms

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考题 单选题A company is using a multi-site centralized call processing model. Which feature ensures that theremote site IP phones will still have limited functionality given a WAN outage?()A  Call Admission ControlB  TAPIC  MGCPD  SRST

考题 单选题Sun Stable is a global insurance company with headquarters located in Houston, Texas. Thecampus there is made up of a number of office buildings located within the same vicinity. In 2003,a new building. Building 331B was added. The additional building houses approximately 1000 employees. Ratherthan deploy a private branch exchange (PBX) in the new building, Sun Stable has decided toimplement an IP telephony solution. External calls will be carried across a MAN link to anotherbuilding, where a gateway connects into the worldwide PBX network of Sun Stable. Voice mail andunified messaging components are required and all IP phones and workstations should be on separate VLANs and IP subnets. ActualTests.comWhich IP telephony deployment best suits their need?()A  single-siteB  multisite with centralized call processingC  multisite with distributed call processingD  clustering over the WAN

考题 多选题Which two statements are true about CAC?()ACAC is implemented in the call setup phase to allocate bandwidth resourcesBCAC is implemented in the call maintenance phase to allocate bandwidth resourcesCCAC is utilized during the call teardown phase to ensure that all resources have been releasedDCAC uses the Cisco RSVP (Resource Reservation Protocol) Agent to integrate call-processing capabilities with the underlying network infrastructureECAC is implemented in the call setup phase to determine the destination of the call