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Cisco 642-453
Description:
The Gateway Gatekeeper 642-453 GWGK was first known as the Cisco 642-452 exam. However 642-452 has been retired and replaced by 642-453 Gateway Gatekeeper Exam. This exam is designed to test a candidate's knowledge of the implementation of Cisco gateways and gatekeepers, including integration of a VoIP network to both PSTN and TDM equipment.
Exam Details:
Wherever you live, be it in Asia or Europe, Africa,
Key Topics:
In the 642-453 exam you can expect to encounter seven (7) broad categories that you will be tested on. Following is a list of those categories and a short description of the content of each:
Topic 1: Explain the function and interoperation of voice & video Gateways within an IP Communications network
- Appropriate gateway signaling protocol
- Appropriate digital line protocol
- Appropriate analog line protocol
- Appropriate implementation of drop and insert multiplexing
- DSP functionality
- Different methods of provides fax and modem support
Topic 2: Describe the function and interoperation of Gatekeepers within an IP Communications network
- Function of Gatekeepers
- Interoperation of a Gatekeeper and a Cisco Unified CallManager
- Gatekeeper Transaction Message Protocol and how it is used
- Dynamic Zone Prefix Registration with a Gatekeeper
- Gatekeeper clustering
Topic 3: 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
Topic 4: 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
Topic 5: Implement a dial-plan
- 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
Topic 6: Implement call applications on a Gateway
- Describe how to obtain call applications
- Configure call applications on a Gateway
- Verify and troubleshoot call application implementations
Topic 7: Implement an IP-to-IP Gateway
- 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
Preparing for the Exam:
Very helpful in 642-453 exam preparation is to familiarize oneself with the objectives of the exam. The officially recommended training for this exam is taking the Implementing Cisco Voice Gateways and Gatekeepers (GWGK) Cisco course. This will guide you and you will then know what to expect during the 642-453 examination itself.
It is only human to experience some test anxiety. To allay these fears brings on the anxiety there is a wealth of information that can help. These are: 642-453 study material, 642-453 exam resources, 642-453 exam review, 642-453 study notes, 642-453 exam notes, 642-453 transcender, 642-453 free questions, 642-453 free practice as well as 642-453 actual exam questions that can be found online.
Certification Credits:
The Cisco certification related to the 642-453 Gateway Gatekeeper exam is the CCVP certification. Success in this exam will thus count as credit towards earning the Cisco CCVP certification.
