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Cisco 642-457 real answers - Implementing Cisco Unified Communications Manager, Part 2 v8.0 (CIPT2 v8.0)

642-457
  • Exam Code: 642-457
  • Exam Name: Implementing Cisco Unified Communications Manager, Part 2 v8.0 (CIPT2 v8.0)
  • Updated: Dec 09, 2025
  • Q & A: 215 Questions and Answers
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Cisco Implementing Cisco Unified Communications Manager, Part 2 v8.0 (CIPT2 v8.0) Sample Questions:

1. In a Cisco Unified Communications Manager centralized call processing model, what is the best CAC method recommended for this type of deployment?

A) region-based
B) RSVP-based
C) gatekeeper-based
D) gateway-based
E) QoS-based
F) location-based


2. How many active gatekeepers can you can define in a local zone?

A) 1
B) 2
C) 10
D) 5
E) unlimited
F) 15


3. Which two statements about the functionality of a gatekeeper are true? (Choose two.)

A) A gatekeeper can enable CAC, but not AAR.
B) Cisco Unified Communications Manager registers with a gatekeeper via H.323.
C) Cisco Unified Communications Manager registers with a gatekeeper via SIP.
D) Cisco Unified Communications Manager has gatekeeper functionality built in.
E) A gatekeeper can enable CAC and AAR.


4. Which statement is correct about AAR?

A) The end users sees, "Network Congestion Rerouting?" but AAR is otherwise transparent to the end user and works without user intervention.
B) AAR allows calls to be rerouted because of insufficient Cisco Unified Border Element controlled bandwidth to an ITSP.
C) AAR will display "not enough bandwidth" on the IP phone while it reroutes the call.
D) AAR allows calls to be rerouted due to insufficient gatekeeper controlled IP WAN bandwidth.


5. Which option configures call preservation for H.323-based SRST mode?

A) dial-peer voice 1 voip call preserve
B) voice service voip h323 call preserve
C) call preservation not possible with H.323
D) call-manager-fallback preserve-call


Solutions:

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

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