Free Cisco 642-457 Exam Dumps Questions & Answers

Which two statements about international multisite dial plans are true? (Choose two.)

• A.  TEHO is legal in all countries.
• B.  TEHO is legal in most countries, but illegal in others.
• C.  TEHO utilizes WAN links.
• D.  TEHO reduces WAN utilization.

Refer to the exhibit.

To permit three G.729 calls, what should the bandwidth value be for the ip rsvp bandwidth command?

• A.  128
• B.  48
• C.  64
• D.  32
• E.  88

Which option describes the reason that transcoding resources are added in Cisco Unified Communications Manager?

• A.  to enable transcoding resources in a Cisco Unified Communications Manager server
• B.  to enable transcoding resources in Cisco IP Phones
• C.  to enable Cisco Unified Communications Manager to select the optimal single codec for end-to-end calls
• D.  to provide transcoding resources in Cisco IOS gateways to Cisco Unified Communications Manager

Refer to the exhibit. Assume that the HQ phones have access to the HQ partition, and BR phones have access to the BR partition. Which set of implementations would best address the overlapping directory number extensions for intersite (WAN) calling between the HQ site and the BR site?

• A.  Configure a route pattern 8222.[12]XXX for site HQ, and assign it to partition HQ.
  Configure the called party DDI of Predot.
  Configure a route pattern for site BR 8111.[1-3]XXX, and assign it to partition BR.
  Configure called party DDI Predot.
  Use the local gateway at each site. Prefix the appropriate site code for the calling number.
• B.  Configure a single route pattern for both sites 8[12,12,12].[1-32]XXX. Use a route list
  that contains the local route group for each site. Prefix the appropriate site code for the
  calling number.
• C.  Configure a translation pattern 8222.[12]XXX for site HQ, and assign it to partition HQ.
  Use a CSS that contains the partitions for BR phones.
  Configure a translation pattern 8111.[1-3]XXX for site BR, and assign it to partition BR. Use
  a CSS that contains the partitions for HQ phones.
  For both translation patterns, configure the called party DDI of Predot. Prefix the
  appropriate site code for the calling number.
• D.  Configure a translation pattern 8222.[12]XXX for site HQ, and assign it to partition BR.
  Use a CSS that contains the partitions for HQ phones.
  Configure a translation pattern 8111.[1-3]XXX for site BR, and assign it to partition HQ. Use
  a CSS that contains the partitions for BR phones.
  For both translation patterns, configure the called party DDI of Predot. Prefix the
  appropriate site code for the calling number.

Which method can be used to address variable-length dial plans?

• A.  Overlap sending and receiving.
• B.  Use the @macro on the route pattern
• C.  Use MGCP gateways, which support variable-length dial plans
• D.  Use nested translation patterns to eliminate inter-digit timeout
• E.  Add a prefix for all calls that are longer than 10-digits long