Cisco 642-453 : Gateway Gatekeeper Exam (GWGK)

642-453 real exams

Exam Code: 642-453

Exam Name: Gateway Gatekeeper Exam (GWGK)

Updated: Sep 03, 2026

Q & A: 105 Questions and Answers

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Cisco 642-453 Exam Syllabus Topics:

SectionObjectives
Configuring and Implementing Gatekeepers- Gatekeeper Call Control
  • 1. Call Admission Control Implementation
  • 2. Dial-Plan Resolution
- Redundancy & Scalability
  • 1. Redundancy Between Gatekeeper Devices
  • 2. Directory Gatekeeper Configuration
Gateway Implementation and Dial-Plan- Dial-Plan and Call Routing
  • 1. Class of Restriction (COR) and Dial-Peer Matching
  • 2. Digit Manipulation and Call Routing
- Gateway Connectivity & Services
  • 1. PRI/BRI/CAS/Analog Interface Configuration
  • 2. SRST and High Availability
Overview of Gateways and Gatekeepers- Gatekeeper Concepts
  • 1. Gatekeeper Functions and Architecture
  • 2. Dynamic Zone Prefix Registration and Clustering
- Gateway Functions
  • 1. Role and Interoperation of Voice & Video Gateways
  • 2. Appropriate Gateway Signalling Protocol Selection (H.323, MGCP)

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