Free Cisco 642-902 Exam Dumps Questions & Answers

What technique should be used on BGP edge routers to prevent a multi-homed autonomous system from becoming a transit system?

• A.  Advertise with a high MED value all networks that are discovered via external BGP.
• B.  Set the origin code to incomplete for all networks that are discovered via external BGP.
• C.  Only advertise networks externally if they have been discovered via internal BGP.
• D.  Use an outgoing distribution list to filter all networks not originating from inside the autonomous system.
• E.  Set the no-export community attribute on all networks that are advertised externally.
• F.  Remove the AS-Path information on all routes in the BGP table prior to advertising externally.

Refer to the output.

What IOS command produces this output?
Select the best response

• A.  show ip ospf
• B.  show ipv6 ospf interface
• C.  show ipv6 ospf
• D.  show ip ospf interface

DRAG DROP

Correct Answer:

Explanation:

Given the above OSPF network, which command will RTB use to summarize routes for the 192.168.16.0/22 supernet before injecting them into Area 0?

• A.  area 0 range 192.168.16.0 255.255.252.0
• B.  area 10 range 192.168.16.0 255.255.252.0
• C.  ip summary-address ospf 101 192.168.16.0 255.255.252.0
• D.  ip summary-address area 0 192.168.16.0 255.255.252.0
• E.  summary-address 192.168.16.0 255.255.252.0

DRAG DROP

Correct Answer:

Explanation:

Redistribution - integrating two merging companies Bandwidth management - low speed WAN links Authentication - WAN link to external supplier stubs - 256 kbps/CIR FR hub and spokes.