Cisco 642-457 Online Practice Questions and Exam Preparation

Cisco 642-457 Online Questions & Answers

• Question 101:

  Which three devices support the SAF Call Control Discovery protocol? (Choose three.)

  A. Cisco Unified Border Element
  B. Cisco Unity Connection
  C. Cisco IOS Gatekeeper
  D. Cisco Catalyst Switch
  E. Cisco IOS Gateway
  F. Cisco Unified Communications Manager
  A. Cisco Unified Border Element
  E. Cisco IOS Gateway
  F. Cisco Unified Communications Manager

• Question 102:

  Refer to the exhibit.

  

  What should the destination IP address be configured as on the HQ and BR1 SIP trunks?

  A. The HQ SIP trunk destination IP address should be 10.1.6.10. The BR1 SIP trunk destination IP address should be 10.1.5.10.
  B. The destination IP address is not configurable. Each cluster will learn about the remote trunk IP address through SAF learned routes.
  C. The destination IP address will be learned automatically and configured on the SIP trunks after the Cisco Unified Communications Managers discover themselves.
  D. The HQ SIP trunk destination IP address should be the HQ SAF Forwarder IP address. The BR1 SIP trunk destination IP address should be the BR1 SAF Forwarder IP address.
  B. The destination IP address is not configurable. Each cluster will learn about the remote trunk IP address through SAF learned routes.

• Question 103:

  How do RSVP-enabled locations differ from Cisco Unified Communications Manager locations?

  A. RSVP is configured in the ISR independent of Cisco Unified Communications Manager.
  B. RSVP enables AAR within Cisco Unified Communications Manager.
  C. RSVP is topology aware.
  D. RSVP is configured in Cisco Unified Communications Manager independent of the ISR.
  C. RSVP is topology aware.

• Question 104:

  Which trunk should you use in an H.323 gatekeeper-controlled network?

  A. H.323
  B. H.225
  C. SIP
  D. Intercluster
  E. MGCP FXO trunk
  F. MGCP T1/E1 trunk
  B. H.225

• Question 105:

  Which CAC configuration on a gatekeeper restricts to 10 G.711 audio calls?

  A. Use the command bandwidth 10.
  B. Use the command bandwidth 1280.
  C. Use the command bandwidth 160.
  D. Use the command bandwidth session 10.
  B. Use the command bandwidth 1280.

• Question 106:

  Which two Cisco Extension Mobility attributes are available in the user device profile? (Choose two.)

  A. regions
  B. description
  C. phone button template
  D. NTP information
  B. description
  C. phone button template

• Question 107:

  In a cluster-wide deployment, what is the maximum number of Service Advertisement Framework forwarders to which the Cisco Unified Communications Manager can connect?

  A. 1
  B. 2
  C. 3
  D. 4
  E. 6
  F. as many as are configured
  B. 2

• Question 108:

  Which statement about TEHO is true?

  A. The dial plan is simplified with local route groups.
  B. Local route groups add complexity to the dial plan.
  C. Toll charges can be reduced when TEHO is implemented with CAC.
  D. Toll charges can be reduced when TEHO is implemented with MGCP fallback.
  A. The dial plan is simplified with local route groups.

• Question 109:

  When using Cisco Unified Communications Manager Express in SRST mode, how many multicast music on hold streams can be utilized by the system at any given time?

  A. 3
  B. 6
  C. 2
  D. 4 E. 1
  F. 5
  B. 6

• Question 110:

  Which option configures the secondary dial tone option for SRST mode to let the users hear the dial tone for PSTN calls?

  A. voice service voip secondary dialtone 0
  B. call-manager-fallback secondary dialtone 0
  C. dial-peer voice 1 pots secondary dialtone 0
  D. ccm-manager secondary dialtone 0
  B. call-manager-fallback secondary dialtone 0