Cisco 642-457 Online Practice Questions and Exam Preparation

Cisco 642-457 Online Questions & Answers

• Question 41:

  A Cisco 3825 needs to be added in Cisco Unified Communications Manager as an H.323 gateway. What should the gateway type be?

  A. H.323 gateway
  B. Cisco 3825
  C. Cisco 3800 series router. The specific model will be selected after the Cisco 3800 is selected.
  D. The gateway can be added either as an H.323 gateway or Cisco 3800 series router.
  E. The gateway can be added either as an H.323 gateway or Cisco 3825 series router.
  A. H.323 gateway

• Question 42:

  Which process can localize a global E.164 with + prefix calling numbers for inbound calls to an IP phone so that users see the calling number in a local format?

  A. Calling number localization is done using translation patterns.
  B. Calling number localization is done using route patterns.
  C. Calling number localization is done by configuring a calling party transformation CSS at the phone.
  D. Calling number localization is done by configuring a calling party transformation CSS at the gateway.
  E. Calling number localization is done by configuring the phone directory number in a localized format.
  C. Calling number localization is done by configuring a calling party transformation CSS at the phone.

• Question 43:

  Refer to the exhibit.

  

  Which pattern will be advertised try the Cisco Unified Communications Manager?

  A. 3XXX and the ToDID will be 0:.
  B. 3XXX and the TnOID will be 0:44228822.
  C. 3XXX and the ToDID will be 44228822.
  D. 3XXX and the ToDID will be 0:+44228822.
  E. 3XXX and the ToDID will be 0:+
  A. 3XXX and the ToDID will be 0:.

• Question 44:

  Which statement about RSVP is true?

  A. MTP is typically used for RSVP agent configuration.
  B. If the RSVP agent cannot reserve the required bandwidth on first effort, it enables low latency queuing and tries to connect the call again.
  C. Cisco Unified Communications Manager uses the RSVP-configured bandwidth between sites as a method of determining if there is sufficient bandwidth for the call.
  D. Cisco Unified Communications Manager uses an RSVP-enabled infrastructure and an RSVP- controlled agent to request a bandwidth reservation from the network in order to place a call.
  D. Cisco Unified Communications Manager uses an RSVP-enabled infrastructure and an RSVP- controlled agent to request a bandwidth reservation from the network in order to place a call.

• Question 45:

  Which codec is recommended by Cisco for multisite music on hold deployment that spans through the WAN links?

  A. G.711
  B. G.723
  C. G.729
  D. G.722
  E. G.728
  F. G.725
  C. G.729

• Question 46:

  When Cisco Extension Mobility is implemented, which CSS is used for calling privileges?

  A. The user device profile line CSS combined with the device CSS of the physical phone used to log in the extension mobility user.
  B. The user device profile device CSS combined with the line CSS of the physical phone used to log in the extension mobility user.
  C. Only the user device profile device CSS is used.
  D. The combined line/device CSS of the physical phone is used to log in the extension mobility user.
  E. The combined line/device CSS of the user device profile.
  A. The user device profile line CSS combined with the device CSS of the physical phone used to log in the extension mobility user.

• Question 47:

  This is the configuration on the voice gateway:

  telephony-service max-ephones 30 max-dn 60 preference 0 srst mode auto-provision all srst dn line-mode dual srst dn template 3 srst ephone description srst fallback auto-provision phone srst ephone template 5

  Which ephone-dn would be expected upon activation of SRST?

  A. ephone-dn 1 dual-line number 7001 description 7001 name 7001 ephone-dn-template 5 This DN is learned from srst fallback ephones
  B. ephone-dn 1 dual-line number 7001 description 7001 name 7001 ephone-dn-template 3 This DN is learned from srst fallback ephones
  C. ephone-dn 1 number 7001 description 7001 name 7001 ephone-dn-template 5 This DN is learned from srst fallback ephones
  D. ephone-dn 1 number 7001 description 7001 name 7001 ephone-dn-template 3 This DN is learned from srst fallback ephones
  A. ephone-dn 1 dual-line number 7001 description 7001 name 7001 ephone-dn-template 5 This DN is learned from srst fallback ephones

• Question 48:

  Refer to the exhibit. With the Mobile Connect feature configured, when the PSTN phone calls the Enterprise user at extension 3001, the Enterprise user's mobile phone does not ring. Which CSS is responsible for ensuring that the correct partitions are accessed when calls are sent to the Enterprise user's mobile phone?

  

  A. the gateway CSS
  B. the Phone Device CSS
  C. the Remote Destination Profile CSS
  D. the Remote Destination Profile Rerouting CSS
  E. the Phone Line (DN)CSS
  D. the Remote Destination Profile Rerouting CSS

• Question 49:

  With Media Gateway Control Protocol configuration on the voice gateway, which three types of messages are involved in the call flow between the call agent and the voice gateway? (Choose three.)

  A. audit endpoint
  B. modify endpoint
  C. create connection
  D. delete notification
  E. restart in progress
  F. end connections
  A. audit endpoint
  C. create connection
  E. restart in progress

• Question 50:

  Refer to the exhibit.

  

  The exhibit shows centralized Cisco Unified Communications Manager configuration components for TEHO calls to U.S. area code 408 from the U.K. The PSTN access code for the

  A. K. is 9 and 001 for international calls to the U.S. To match the US-TEHO pattern \+!, how should the translation pattern be configured?
  B. 9001.4085551234 with the Called Party Transformation: Discard Digits PreDot Prefix Digits Outgoing Calls: +
  C. 9.0014085551234 with the Called Party Transformation: Discard Digits PreDot Prefix Digits Outgoing Calls: +1
  D. 900.14085551234 with the Called Party Transformation: Discard Digits PreDot Prefix Digits Outgoing Calls: +1
  E. 900.14085551234 with the Called Party Transformation: Discard Digits PreDot Prefix Digits Outgoing Calls: +
  F. 001.4085551234 with the Called Party Transformation: Prefix Digits Outgoing Calls: +
  D. 900.14085551234 with the Called Party Transformation: Discard Digits PreDot Prefix Digits Outgoing Calls: +1