Cisco 642-661 Exam Information and Actual Questions

642-661
FREE EXAM DUMPS QUESTIONS & ANSWERS

Certification Vendor:	Cisco
Exam Name:	Configuring BGP on Cisco Routers (BGP)
Exam Number:	642-661
Real Exam Qty:	60-70
Exam Price:	USD 150
Certificate Validity Period:	3 years
Exam Format:	Multiple Choice, Multiple Answer, Scenario-based
Exam Duration:	90 minutes
Available Languages:	English
Passing Score:	Not publicly disclosed
Recommended Training:	Configuring BGP on Cisco Routers (BGP v4.1)
Exam Registration:	Pearson VUE
Sample Questions:	Cisco 642-661 Sample Questions
Exam Way:	Proctored at Pearson VUE testing centers; exam retired
Pre Condition:	No mandatory prerequisites; recommended knowledge of IP routing, OSPF, EIGRP
Official Syllabus URL:	https://www.cisco.com/site/us/en/learn/training-certifications/exams/retired.html

Section	Weight	Objectives
BGP Policy Control & Filtering	25%	- Outbound Route Filtering (ORF) - Prefix lists and distribute lists - Route maps and policy modification - AS-Path filters and regular expressions
BGP Fundamentals	20%	- BGP message types and formats - BGP session establishment and states - BGP peering configuration - BGP characteristics and operation
Scaling BGP Networks	20%	- Route reflectors and cluster lists - Route aggregation and summarization - Route dampening - BGP confederations - Peer groups and peer sessions
Multihoming & Advanced BGP	10%	- BGP troubleshooting and monitoring - Single/multiple ISP connectivity - Private AS number handling
BGP Path Attributes & Route Selection	25%	- Communities and extended communities - BGP route selection process - Weight, Local Preference, AS-Path, Origin, MED - Well-known and optional attributes