pass4sure ccvp 642-453 2.83

cisco Gateway Gatekeeper(GWGK) : 642-453 Exam

Exam Number/Code: 642-453
Exam Name: Gateway Gatekeeper(GWGK)
VUE Code: 642-453
Questions Type: Single choice, Multiple choice, Simulate,
Real Exam Question Numbers: 60 questions
Passing Scores: About 800 scores
Exam Language(s): English

“Gateway Gatekeeper(GWGK)”, also known as 642-453 exam, is a Cisco certification.
Preparing for the 642-453 exam? Searching 642-453 Test Questions, 642-453 Practice Exam, 642-453 Dumps?

With the complete collection of questions and answers, Pass4sure has assembled to take you through 60 Q&As to your 642-453 Exam preparation. In the 642-453 exam resources, you will cover every field and category in CCVP helping to ready you for your successful Cisco Certification.

The Gateway Gatekeeper 642-453 GWGK is the exam associated with the CCVP certification. Candidates can prepare for this exam by taking the Gateway Gatekeeper (GWGK) course. This exam tests a candidate’s knowledge of the implementation of Cisco gateways and gatekeepers, including integration of a VoIP network to both PSTN and TDM equipment. Topics covered include implementing dial plans and advanced gateway features such as SRST and DSP resources, implementing gatekeepers and directory gatekeepers to provide hierarchical dial plan resolution, and call admission control.
642-453 Gateway Gatekeeper
Gateway Gatekeeper Exam
Exam Number: 642-453
Associated Certifications: CCVP
Duration: 75 min. (60 questions)
Available Languages: English
Click Here to Register: Pearson VUE
Exam Policies: Read current policies and requirements
Exam Tutorial: Review type of exam questions

Exam Description Exam Topics Recommended Training Additional Resources
Exam Description

The following information provides general guidelines for the content likely to be included on this exam. However, other related topics may also appear on any specific delivery of the exam. In order to better reflect the contents of the exam and for clarity purposed the guidelines below may change at any time without notice.
Explain the function and interoperation of voice & video Gateways within an IP Communications network

* Identify and describe the appropriate gateway signaling protocol to meet requirements
* Identify and describe the appropriate digital line protocol to meet requirements
* Identify and describe the appropriate analog line protocol to meet requirements
* Describe the appropriate implementation of drop and insert multiplexing
* Describe DSP functionality
* Describe the different methods of provides fax and modem support

Describe the function and interoperation of Gatekeepers within an IP Communications network

* Describe the function of Gatekeepers
* Describe the interoperation of a Gatekeeper and a Cisco Unified CallManager
* Describe the Gatekeeper Transaction Message Protocol and how it is used
* Describe Dynamic Zone Prefix Registration with a Gatekeeper
* Describe Gatekeeper clustering

Implement a Gatekeeper

* Implement and Configure Gatekeeper to provide call admission control
* Implement and Configure Gatekeeper to provide dial-plan resolution
* Configure a Directory Gatekeeper to provide scalability
* Implement and Configure redundancy between Gatekeeper devices
* Implement and Configure Gatekeeper clustering
* Configure a Gateway to register with a Gatekeeper
* Configure a Cisco Unified CallManager to register with a Gatekeeper
* Verify and troubleshoot Gatekeeper implementations

Implement a Gateway

* Configure and verify PRI connectivity
* Configure and verify BRI connectivity
* Configure and verify CAS connectivity
* Configure and verify Analog connectivity
* Implement SRST to provide High Availability
* Implement media resources on a Gateway
* Implement fax and modem support on a Gateway
* Configure a Gateway to provide DTMF support
* Configure a Gateway to be usable by a Cisco Unified CallManager

Implement a dial-plan

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* Describe the components of a dial-plan
* Configure digit manipulation
* Implement call routing
* Implement COR
* Describe how the Gateway matches dial-peers
* Verify and troubleshoot dial-plan implementations

Implement call applications on a Gateway

* Describe how to obtain call applications
* Configure call applications on a Gateway
* Verify and troubleshoot call application implementations

Implement an IP-to-IP Gateway

* Describe the IP-to-IP Gateway features and functionality
* Configure Gatekeeper to support an IP-to-IP Gateway
* Configure IP-to-IP Gateway to provide security
* Configure IP-to-IP Gateway to provide protocol and media interworking
* Configure IP-to-IP Gateway to provide call admission control
* Verify and troubleshoot IP-to-IP Gateway implementations

1. Bob’s Bicycles wants to route inbound faxes directly to the recipient’s e-mail. Which gateway fax protocol will
support this?
A. Fax Pass-Through
B. Fax Relay
C. T.37
D. T.38
Answer: C
2. You have a client who is planning to implement a toll bypass service for the PBXs. The organization has four
locations and the PBXs are a mixture of QSIG- and non-QSIG-capable devices. Which type of services will be
available between a QSIG and a non-QSIG PBX?
A. The supplementary services on the non-QSIG PBX will be available to both devices.
B. Only basic calls that do not require supplementary services are supported.
C. The supplementary services supported by the QSIG PBX will be terminated by the gateway and translated to
the non-QSIG PBX.
D. The gateway will translate all the supplementary services for both PBXs.
Answer: B
3. A gateway is connected to the PSTN via eight analog circuits. Which two methods can be used to route calls
across all eight circuits? (Choose two.)
A. For each destination pattern, configure eight dial peers pointing to each port and use the preference command
to select which port is used.
B. Assign each port to a trunk group. For each destination pattern, configure a single dial peer pointing to the
trunk group.
C. Assign each port to a hunt list. For each destination pattern, configure a single dial peer pointing to the hunt
list.
D. For each destination pattern, configure a single dial peer. Use the port range command to select which port is
used.
E. For each destination pattern, configure eight dial peers pointing to each port and use the huntstop command to
select which port is used.
Answer: AB
4. A Cisco voice gateway is connected to the PSTN via an analog line. How can the gateway be configured to
support caller ID?
A. using MGCP and an FXO port to the PSTN
B. using H.323 and an FXO port to the PSTN
C. using MGCP and an FXS port to the PSTN
D. using H.323 and an FXS port to the PSTN
Answer: B

5. A gateway is going to provide media resources useable by three different Cisco Unified CallManager clusters.
Which Cisco IOS structure makes this possible?
A. applications
B. service types
C. port numbers
D. profiles
Answer: D

6. You have a client who is designing a gateway solution for an IP communications network. The T1 needs to
support ANI for both incoming and outgoing calls.
How should the gateway be configured?
A. Configure an MGCP gateway so that there are two DS-0 groups on the T1 from the PSTN, one to send ANI
and one to receive ANI.
B. Configure an H.323 gateway so that there are two DS-0 groups on the T1 from the PSTN, one to send ANI and
one to receive ANI.
C. Configure an MGCP gateway so that there is a single DS-0 group on the T1 to the PSTN, to both send and
receive ANI.
D. Configure an H.323 gateway so that there is a single DS-0 group on the T1 to the PSTN, to both send and
receive ANI.
Answer: B

7. You need to provide support for 30 simultaneous calls from an offshore oil platform. The only circuit type
available is an E1 R2 over a satellite link. Which type of signaling should be configured?
A. DTMF
B. r2-digital
C. r2-analog
D. r2-pulse
Answer: D

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