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Cisco 642-457 Exam Overview:
| Certification Vendor: | Cisco |
| Exam Name: | Implementing Cisco Unified Communications Manager, Part 2 v8.0 (CIPT2 v8.0) |
| Exam Number: | 642-457 |
| Certificate Validity Period: | 3 years |
| Available Languages: | English |
| Exam Format: | Multiple Choice Single Answer, Multiple Choice Multiple Answer, Simulation |
| Passing Score: | Not publicly disclosed / approx 720 (300–1000 scale) |
| Exam Duration: | 90–105 |
| Related Certifications: | CCNP Voice CCVP |
| Real Exam Qty: | 60–70 |
| Exam Price: | USD $300 (varies by region) |
| Recommended Training: | CIPT2 v8.0 Implementing Cisco Unified Communications Manager Part 2 |
| Exam Registration: | Cisco Official Exam Page Pearson VUE Registration |
| Sample Questions: | Cisco 642-457 Sample Questions |
| Exam Way: | Onsite at Pearson VUE testing centers / Online proctored |
| Pre Condition: | Valid CCNA Voice or CCIE certification; recommended prior completion of 642-447 CIPT1 v8.0 |
| Official Syllabus URL: | https://www.cisco.com/c/en/us/training-events/training-certifications/exams/current-list/642-457.html |
Cisco 642-457 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Multisite Dial Plan Implementation | 25% | - Tail-End Hop-Off (TEHO) and PSTN backup - Partition, CSS, and numbering plan design - Globalized call routing and E.164 dialing - Local Route Groups and global transformations |
| Topic 2: Multisite CUCM Infrastructure & Trunks | 20% | - Multisite architecture and connectivity options - SAF Forwarder and SAF CCD implementation - Configure intercluster trunks and call control discovery - Implement H.323, MGCP, and SIP gateways |
| Topic 3: Call Survivability & Redundancy | 20% | - MGCP fallback configuration - Failover and fallback verification - SRST and CUCM Express survivability - Centralized call processing redundancy |
| Topic 4: Bandwidth Management & Call Admission Control | 20% | - RSVP agents and SIP precondition - Media resources: MTP, transcoders, conferencing, MOH - Automated Alternate Routing (AAR) - Gatekeeper-based CAC - Regions and locations configuration |
| Topic 5: Mobility Features | 15% | - Device Mobility configuration - Extension Mobility implementation - Mobility features verification |
Cisco Implementing Cisco Unified Communications Manager, Part 2 v8.0 (CIPT2 v8.0) Sample Questions:
1. 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) 88
D) 64
E) 32
2. Enabling authentication and encryption for CTI, JTAPI, and TAPI applications requires which two tasks? (Choose two.) (SourcE. Configuring Cisco IP Telephony Authentication and Encryption)
A) Add the application user or end users to the Standard CTI Secure Connection user group, Standard CTI Allow Reception of SRTP Key Material user group, and Standard CTI Enabled user group.
B) Configure related security parameters in the CTI, JTAPI, and TAPI application.
C) Enter the encryption key into the application.
D) Set up an IPsec association between the application and Cisco Unified CallManager.
3. Which statement about the function of the "+" symbol in the E.164 format is true?
A) The "+" symbol matches the preceding element one or more times.
B) The "+" symbol represents the international call prefix.
C) The "+" symbol represents the international country code.
D) The "+" symbol matches the preceding element zero or one time.
4. How is a SIP trunk in Cisco Unified Communications Manager configured for SIP precondition?
A) The configuration is done by selecting a SIP precondition trunk for trunk type.
B) The configuration is automatically selected when RSVP is enabled for the location assigned to the trunk.
C) SIP precondition is configured by configuring a new SIP profile and selecting E2E for RSVP over SIP. The new SIP profile must then be assigned to the SIP trunk.
D) SIP precondition is configured by selecting E2E for RSVP over SIP on the default SIP profile assigned to the SIP trunk.
5. Which two statements about international multisite dial plans are true? (Choose two.)
A) TEHO utilizes WAN links.
B) TEHO is legal in most countries, but illegal in others.
C) TEHO is legal in all countries.
D) TEHO reduces WAN utilization.
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: A,B | Question # 3 Answer: B | Question # 4 Answer: C | Question # 5 Answer: A,B |
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