Get real 642-821 exam questions for better preparation
Real Cisco 642-821 practice exam questions for easy pass!
Updated: Oct 24, 2026
No. of Questions: 244 Questions & Answers with Testing Engine
Download Limit: Unlimited
642-821 Exams with verified real questions and real answers will help you 100% pass
Our Cisco 642-821 study material is researched and written by the experts who acquaint with the knowledge in the actual test. The accurate and verified answers can help you prepare well for the actual test. Besides, you can try 642-821 free demo questions to assess the validity of it.
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Cisco 642-821 Exam Overview:
| Certification Vendor: | Cisco |
|---|---|
| Exam Name: | Building Cisco Remote Access Networks (BCRAN) |
| Exam Number: | 642-821 |
| Exam Duration: | 90 minutes |
| Real Exam Qty: | Approx. 65-71 |
| Passing Score: | 790 (on 100-990 scale) |
| Certificate Validity Period: | 3 years |
| Related Certifications: | CCIP CCDP |
| Available Languages: | English, Japanese |
| Exam Price: | $125 USD |
| Exam Format: | Drag-and-drop, Multiple-choice single/multiple answer, Simulations, Scenario-based |
| Recommended Training: | Building Cisco Remote Access Networks (BCRAN) Course |
| Exam Registration: | Pearson VUE Cisco Retired Exam Info |
| Sample Questions: | Cisco 642-821 Sample Questions |
| Exam Way: | Proctored onsite at authorized Pearson VUE testing centers |
| Pre Condition: | Valid CCNA certification or equivalent knowledge |
| Official Syllabus URL: | https://www.cisco.com/site/us/en/learn/training-certifications/exams/retired.html |
Cisco 642-821 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Remote Access Overview and Asynchronous Connections | 20% | - Configuring asynchronous lines and modems - Modem autoconfiguration and troubleshooting - Remote access technologies and requirements - Modem standards and cabling |
| Topic 2: Frame Relay Connectivity | 20% | - Subinterfaces and bandwidth control - Frame Relay traffic shaping and troubleshooting - Configuring Frame Relay encapsulation and mapping - Frame Relay concepts and terminology |
| Topic 3: VPN and Advanced Remote Access | 15% | - Scaling and securing remote access networks - IPsec VPN fundamentals - Configuring site-to-site IPsec VPNs - QoS for remote access links |
| Topic 4: PPP and Access Control | 20% | - Multilink PPP and compression - PPP protocol features and negotiation - PAP and CHAP authentication - AAA framework, TACACS+ and RADIUS |
| Topic 5: ISDN and DDR Connectivity | 25% | - Dial-on-Demand Routing (DDR) concepts - ISDN troubleshooting - Configuring and verifying ISDN BRI/PRI - ISDN BRI and PRI components and operation - ISDN call control and bandwidth management |
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