Cisco 642-821 Dumps : Building Cisco Remote Access Networks (BCRAN)

642-821 real exams

Exam Code: 642-821

Exam Name: Building Cisco Remote Access Networks (BCRAN)

Updated: Sep 17, 2026

Q & A: 244 Questions and Answers

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Cisco 642-821 Exam Syllabus Topics:

SectionObjectives
Topic 1: Establishing a Dedicated Frame Relay Connection- Frame Relay Traffic Shaping
- Frame Relay Configuration
Topic 2: Securing Remote Access Networks- VPN and IPSec Concepts
Topic 3: Scaling Remote Access Networks- Using AAA for Access Control
- Scaling IP Addresses with NAT
Topic 4: Identifying Remote Access Needs- Remote Access Solutions
- Site Requirements and Network Overview
Topic 5: Broadband Access Methods- Cable and Satellite Options
- Using DSL to Access a Central Site
Topic 6: Using ISDN and DDR Technologies- Basic and Advanced DDR Options
- Using ISDN Primary Rate Interface
Topic 7: Enabling On-Demand Connections- Configuring Asynchronous Connections with Modems
- PPP Link Control Protocol Options
- Configuring PPP and Controlling Network Access
Topic 8: Backup and Network Management Methods- Managing Network Performance
- Enabling Backup to a Permanent Connection

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