BGP + MPLS Exam (BGP + MPLS)
Exam: 642-691
Demo Edition
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QUESTION: 1
Based on the network diagram shown in the exhibit, both R5 and R6 are clients of the R2 RR.
When the 10.0.0.0/8 iBGP update from R3 is received by the R2 RR, which router(s) will R2
reflect the update to?
A. R1 only
B. R5 and R6
C. R5, R6 and R1
D. R4, R5 and R6
E. R4, R5, R6 and R1
F. to no other router
Answer: C
QUESTION: 2
Based on this configuration, which two peering router neighbor statements are correct? (Choose
two.)router bgp 50001 neighbor 192.168.1.1 remote-as 50001 neighbor 10.1.1.1 remote-as
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50002 neighbor 10.1.1.1 local-as 50003 ! output omitted
A. EBGP - neighbor 10.1.1.2 remote-as 50003
B. EBGP - neighbor 10.1.1.2 remote-as 50001
C. EBGP - neighbor 10.1.1.2 remote-as 50001 and neighbor 10.1.1.2 local-as 50003
D. IBGP - neighbor 192.168.1.2 remote-as 50001
E. IBGP - neighbor 192.168.1.2 remote-as 50003
F. IBGP - neighbor 192.168.1.2 remote-as 50003 and neighbor 192.168.1.2 local-as 50001
Answer: C, D
QUESTION: 3
LAB
Answer: Pending. Please put your suggestions to terry@troytec.com
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QUESTION: 4
Which two statements about a transit AS are correct? (Choose two.)
A. A transit AS has eBGP connection(s) to only one external AS.
B. Routes between ASs are always exchanged via eBGP.
C. A transit AS uses an IGP like OSPF or ISIS to propagate the external networks within the
transit AS.
D. Core routers within a transit AS normally use default routing to reach the external networks.
E. iBGP sessions can be established between non directly connected routers.
Answer: B, E
QUESTION: 5
Refer to the exhibit and the following connectivity requirements. How many different VRFs
are required? Sites CE1A, CE1B, CE1C, and CE1D require connectivity among them. Si