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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 |
| Exam Duration: | 90–105 |
| Available Languages: | English |
| Exam Format: | Multiple Choice Multiple Answer, Simulation, Multiple Choice Single Answer |
| Related Certifications: | CCNP Voice CCVP |
| Passing Score: | Not publicly disclosed / approx 720 (300–1000 scale) |
| Exam Price: | USD $300 (varies by region) |
| Real Exam Qty: | 60–70 |
| Recommended Training: | CIPT2 v8.0 Implementing Cisco Unified Communications Manager Part 2 |
| Exam Registration: | Pearson VUE Registration Cisco Official Exam Page |
| 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 CUCM Infrastructure & Trunks | 20% | - Configure intercluster trunks and call control discovery - Implement H.323, MGCP, and SIP gateways - SAF Forwarder and SAF CCD implementation - Multisite architecture and connectivity options |
| Topic 2: Bandwidth Management & Call Admission Control | 20% | - Media resources: MTP, transcoders, conferencing, MOH - Automated Alternate Routing (AAR) - Gatekeeper-based CAC - Regions and locations configuration - RSVP agents and SIP precondition |
| Topic 3: Call Survivability & Redundancy | 20% | - SRST and CUCM Express survivability - Centralized call processing redundancy - MGCP fallback configuration - Failover and fallback verification |
| Topic 4: Multisite Dial Plan Implementation | 25% | - Tail-End Hop-Off (TEHO) and PSTN backup - Local Route Groups and global transformations - Partition, CSS, and numbering plan design - Globalized call routing and E.164 dialing |
| Topic 5: Mobility Features | 15% | - Device Mobility configuration - Mobility features verification - Extension Mobility implementation |
642-457 Exam FAQs for 2026 Candidates
Which certification does the 642-457 exam lead to?
The 642-457 exam is the official Cisco exam behind the CCNP Voice certification, validating the skills measured by the Cisco Implementing Cisco Unified Communications Manager, Part 2 v8.0 (CIPT2 v8.0) credential. It sits at the Professional level of the Cisco certification program. It also connects to CCNP Voice, CCVP, so the knowledge you build here carries over to those tracks as well.
How many questions are on the 642-457 exam, and how much time do I get?
The 642-457 exam contains 60–70 questions to be completed within 90–105. Before exam day, divide the available time by the question count to work out a comfortable per-question pace, and mark any item that eats into it so you can return later instead of getting stuck. Timed sessions in the Getcertkey test engines make that pacing automatic — run at least two full-length mock exams under the clock so time pressure never becomes the reason you drop points.
What score do I need to pass the 642-457 exam, and what does it cost?
The passing score for the 642-457 exam is Not publicly disclosed / approx 720 (300–1000 scale), and the official registration fee is USD $300 (varies by region). Retakes are not discounted — every new attempt means paying the full fee again — so it pays to measure yourself before you book. Work through the 215 practice questions on Getcertkey, sit a timed practice test, and schedule your exam only when your scores are consistently comfortable. That simple habit is the cheapest exam strategy there is.
Are there any prerequisites for the 642-457 exam?
Valid CCNA Voice or CCIE certification; recommended prior completion of 642-447 CIPT1 v8.0 Requirements can change when Cisco revises its certification program, so confirm the current eligibility rules on the official exam page before you register.
How do I register for the 642-457 exam?
You can book the Cisco Implementing Cisco Unified Communications Manager, Part 2 v8.0 (CIPT2 v8.0) exam through the official registration channels below:
As for delivery, the exam is offered in the following format: Onsite at Pearson VUE testing centers / Online proctored. Choose the option that suits you best when you book your seat.
What official training is recommended for the 642-457 exam?
Cisco recommends the following training resources for the Cisco Implementing Cisco Unified Communications Manager, Part 2 v8.0 (CIPT2 v8.0) exam:
Official courses build the foundation; the 215 practice questions from Getcertkey then show you how that knowledge is examined, so the two work best together.
Can I try the 642-457 practice questions before I buy?
Yes. Getcertkey provides a free 642-457 PDF demo so you can review the question style and answer quality before purchasing. Every purchase also includes 365 days of free updates — if Cisco revises the exam during that period, the updated material reaches you at no cost. Once the free-update year ends, you can extend your update service at a 50% discount.
What if I fail the 642-457 exam, and how is my order delivered?
Every Cisco Implementing Cisco Unified Communications Manager, Part 2 v8.0 (CIPT2 v8.0) purchase on Getcertkey is covered by a 100% money-back guarantee with clear conditions: if you take the corresponding exam within 60 days of your purchase and do not pass, you can claim a full refund by submitting a scanned copy of your exam enrollment slip and your official score report as a PDF within two days of the exam date; claims are processed within seven days of submission. The guarantee does not apply to exams taken within three days of purchase, to material that was downloaded but never used in an exam attempt, or to free products and expired orders, and the candidate name must match the payer name. If you would rather not take a refund, you can instead exchange your purchase for two free exam preparation products of equal value and keep the update service on your original product.
Delivery is instant: your download is sent to your email within one minute of payment, with no limit on how many computers you may install the material on. If nothing arrives within two hours, check your spam folder and contact customer service for help.
What topics are covered in the 642-457 exam?
The Cisco Implementing Cisco Unified Communications Manager, Part 2 v8.0 (CIPT2 v8.0) exam blueprint is organized into 5 domains. The first three are:
- Multisite Dial Plan Implementation — 25% of the exam
- Mobility Features — 15% of the exam
- Bandwidth Management & Call Admission Control — 20% of the exam
For the complete domain-by-domain breakdown, scroll up to the full exam topics outline above and use it to plan how you distribute your study time.
Cisco Implementing Cisco Unified Communications Manager, Part 2 v8.0 (CIPT2 v8.0) Sample Questions:
Question #1
Refer to the exhibit.
What music on hold audio source will be heard if a user at extension 1372 places the user at extension 3041 on hold?
A. moh1.wav
B. moh2.wav
C. default.wav
D. moh1.au
E. moh2.au
Question #2
DRAG DROP
Question #3
Which action configures phones in site A to use G.711 to site B but to use G.729 to site C?
A. Configure a gatekeeper.
B. Configure Cisco Unified Communications Manager regions.
C. Configure transcoder resources in Cisco Unified Communications Manager.
D. Configure Cisco Unified Communications Manager locations.
Question #4
Refer to the exhibit.
When the user of a phone registered to the Cisco Unified Communications Manager places a call to 3001 when the SAF network is down, what happens?
A. The call is rerouted to the PSTN with the constructed PSTN number as 442288223001
B. The call is rerouted to the PSTN with the constructed PSTN number as 0002288223001
C. The call is rerouted to the PSTN with the constructed PSTN number as +0002288223001
D. The call is rerouted to the PSTN with the constructed PSTN number as +442288223001
E. The call fails.
Question #5
Which statement about RSVP is true?
A. Cisco Unified Communications Manager uses the RSVP-configured bandwidth between sites as a method of determining if there is sufficient bandwidth for the call.
B. MTP is typically used for RSVP agent configuration.
C. If the RSVP agent cannot reserve the required bandwidth on first effort, it enables low latency queuing and tries to connect the call again.
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.
Solutions:
| Question #1 Correct Answer: D | Question #2 Correct Answer: Only visible for members | Question #3 Correct Answer: B | Question #4 Correct Answer: E | Question #5 Correct Answer: D |
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