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Cisco 642-457 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Bandwidth Management & Call Admission Control20%- Gatekeeper-based CAC
- Regions and locations configuration
- RSVP agents and SIP precondition
- Automated Alternate Routing (AAR)
- Media resources: MTP, transcoders, conferencing, MOH
Topic 2: Call Survivability & Redundancy20%- MGCP fallback configuration
- SRST and CUCM Express survivability
- Centralized call processing redundancy
- Failover and fallback verification
Topic 3: Mobility Features15%- Extension Mobility implementation
- Device Mobility configuration
- Mobility features verification
Topic 4: Multisite Dial Plan Implementation25%- Local Route Groups and global transformations
- Globalized call routing and E.164 dialing
- Partition, CSS, and numbering plan design
- Tail-End Hop-Off (TEHO) and PSTN backup
Topic 5: Multisite CUCM Infrastructure & Trunks20%- Multisite architecture and connectivity options
- Implement H.323, MGCP, and SIP gateways
- Configure intercluster trunks and call control discovery
- SAF Forwarder and SAF CCD implementation

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

1. Which two formats are supported by Cisco Unified Communications Manager to stream music on hold? (Choose two.)

A) G.723
B) G.711
C) G.728
D) G.722
E) Advanced Audio Codec
F) G.729


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


3. When configuring Digit Manipulation, where exactly should you apply Digit Stripping?

A) trunk group
B) globally to all calls
C) voice port
D) Plain Old Telephone Systems (POTS) dial peer
E) Voice Over Internet Protocol (VOIP) dial peer
F) Non-Facility Associated Signaling (NFAS) interface


4. Which remote-site redundancy technology fails over to POTS dial peers from the Cisco Unified Communications Manager dial plan during a WAN failure?

A) H.323 fallback
B) SIP fallback
C) SCCP fallback
D) MGCP fallback


5. Refer to the exhibit


When the Cisco Unified Communications Manager advertises the Hosted DN Pattern, which pattern would be advertised?

A) 2XXX and the ToDID will be 0:+4989531 21
B) 2XXX and the T0D1D will be 0:+498950555
C) 4989S05552XXX and the ToDiD will be 0:
D) + 4989631 21 2XXX and the ToDiD will be 0:
E) Both +4989505552XXXand +4989531 21 2XXX will be advertised with ToDID of 0:


Solutions:

Question # 1
Answer: B,F
Question # 2
Answer: D
Question # 3
Answer: D
Question # 4
Answer: D
Question # 5
Answer: B

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