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Cisco 642-457 Exam Syllabus Topics:

SectionWeightObjectives
Call Survivability & Redundancy20%- SRST and CUCM Express survivability
- Centralized call processing redundancy
- Failover and fallback verification
- MGCP fallback configuration
Mobility Features15%- Mobility features verification
- Device Mobility configuration
- Extension Mobility implementation
Multisite Dial Plan Implementation25%- Tail-End Hop-Off (TEHO) and PSTN backup
- Globalized call routing and E.164 dialing
- Partition, CSS, and numbering plan design
- Local Route Groups and global transformations
Multisite CUCM Infrastructure & Trunks20%- Configure intercluster trunks and call control discovery
- Multisite architecture and connectivity options
- Implement H.323, MGCP, and SIP gateways
- SAF Forwarder and SAF CCD implementation
Bandwidth Management & Call Admission Control20%- Media resources: MTP, transcoders, conferencing, MOH
- Regions and locations configuration
- Gatekeeper-based CAC
- RSVP agents and SIP precondition
- Automated Alternate Routing (AAR)

Cisco Implementing Cisco Unified Communications Manager, Part 2 v8.0 (CIPT2 v8.0) Sample Questions:

Question 1

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 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.
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 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.
D. 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.


Question 2

Which statement about the function of the "+" symbol in the E.164 format is true?

A. The "+" symbol matches the preceding element zero or one time.
B. The "+" symbol matches the preceding element one or more times.
C. The "+" symbol represents the international call prefix.
D. The "+" symbol represents the international country code.


Question 3

When multiple Cisco Extension Mobility profiles exist, which actions take place when a user tries to log in to Cisco Extension Mobility?

A. The login will fail because only a single Cisco Extension Mobility profile is allowed.
B. The user must login to both profiles in the order they are presented.
C. The user must select the desired profile.
D. The user may login to both profiles in any order.
E. Login will only be allowed to multiple profiles if the service parameter Allow Multiple Logins is enabled.


Question 4

Which two configurations are needed to implement SRST in Cisco Unified Communications Manager? (Choose two.)

A. Device Pool SRST Reference setting
B. Cisco Unified Communications Locations setting
C. Call Manager Group setting
D. SRST Reference configured in Cisco Unified Communications Manager
E. SRST Gateway setting in Cisco Unified Communications Manager


Question 5

Which statement about technology implementation strategy is true?

A. Cisco Unified Communications Manager Express in SRST mode can be configured to function with no Cisco Unified Communications Manager cluster in the enterprise.
B. SRST can be configured to function with no Cisco Unified Communications Manager cluster in the enterprise.
C. SRST and MGCP fallback can be configured to function with no Cisco Unified Communications Manager cluster in the enterprise.
D. Cisco Unified Communications Manager Express can be configured to function with no Cisco Unified Communications Manager cluster in the enterprise.


Solutions:

Question 1
Answer: D
Question 2
Answer: C
Question 3
Answer: C
Question 4
Answer: A,D
Question 5
Answer: D

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