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Cisco CCIP 642-661 Practice Exam (31-35)

QUESTION NO: 31
R-4 >show ip bgp 172.0.0.0
BGP routing table entry for 172.0.0.0/8, version 4 Paths: (1 available, best #1, table Default-IP-Routing-Table) Advertised to non peer-group peers:
2.2.2.2 (metric 2323456) from 3.3.3.3 (3.3.3.3) Origin IGP, metric 0, localpref 100, valid, internal, best Originator: 2.2.2.2, Cluster list: 3.3.3.3
Based on the shown ip bgp 172.0.0.0 output shown, which statement is true about the 172.0.0.0/8 prefix?
A. It is received from an EBGP neighbor.
B. It is received from an intra-confederation EBGP neighbor.
C. It is received from an intra-confederation IBGP neighbor.
D. It is received from a route reflector.
Answer: D

QUESTION NO: 32
Which configuration task requires configuring the bgp cluster-id {cluster-id} command?
A. configuring hierarchical route reflectors
B. configuring the BGP confederation ID
C. configuring hierarchical BGP confederations
D. configuring the member ASs within a BGP confederation
E. configuring redundant route reflectors
F. configuring redundant BGP confederations
Answer: E

QUESTION NO: 33
Which two configuration commands will complete the BGP configuration on R1 so it will conditionally announce the 172.0.0.0/8 prefix to R4 via BGP? (Choose two.)
hostname R1
! !
output omitted !
!
router bgp 65001 neighbor 172.16.1.1
remote-as 65001 neighbor 2.2.2.2
remote-as 65001 neighbor 4.4.4.4 remote-as 387 !
!
A. 2. network 172.0.0.0 mask 255.0.0.0
B. 1. ip route 172.0.0.0 255.0.0.0 172.16.1.1
C. 2. network 172.16.0.0auto-summary
D. 1. ip route 172.0.0.0 255.0.0.0 null0 255
E. 1. ip route 172.0.0.0 255.0.0.0 null0
F. 2. aggregate-address 172.0.0.0 mask 255.0.0.0
Answer: A,B

QUESTION NO: 34
Which statement is correct when utilizing the BGP TTL security check feature?
A. It eliminates the need for BGP keepalive packets.
B. It is configured locally for each eBGP peering session.
C. It generates a syslog error if a "forged" packet is received.
D. It is not functional on multihop BGP peering sessions.
E. It compares the value of the received packet TTL against a BGP interface Access-List.
Answer: B

QUESTION NO: 35
Based on the network diagram shown in the exhibit, what is the correct configuration on the customer edge router used to conditionally announce the customer networks to the ISP?
A. router bgp 65001 ! neighbor commands not shown aggregate-address 192.168.8.0 255.255.252.0 ! ip route 192.168.8.0 255.255.252.0 null0
B. router bgp 65001 ! neighbor commands not shown aggregate-address 192.168.8.0 255.255.252.0 summary-only ! router ospf 1 network 192.168.8.0 0.0.3.255 area 0
C. router bgp 65001 ! neighbor commands not shown network 192.168.8.0 mask 255.255.252.0 ! ip route 192.168.8.0 255.255.252.0 192.168.8.33
D. router bgp 65001 ! neighbor commands not shown aggregate-address 192.168.8.0 255.255.252.0 summary-only ! ip route 192.168.8.0 255.255.252.0 192.168.8.33
E. router bgp 65001 ! neighbor commands not shown network 192.168.8.0 network 192.168.9.0 network 192.168.10.0 network 192.168.11.0 ! ip route 192.168.8.0 255.255.255.0 null0 ip route 192.168.9.0 255.255.255.0 null0 ip route 192.168.10.0 255.255.255.0 null0 ip route 192.168.11.0 255.255.255.0 null0
Answer: C