Free Download Cisco 642-885 Practice Tests with PDF & VCE (21-30)

By | April 4, 2014

QUESTION 21
On Cisco IOS-XR, which BGP configuration group allows you to define address-family independent commands and address-family dependent commands for each address family?

A.    neighbor-group
B.    session-group
C.    af-group
D.    peer-group

Answer: A

QUESTION 22
Refer to the Cisco IOS-XR configuration exhibit. The Cisco IOS-XR router is unable to establish any PIM neighbor relationships. What is wrong with the configuration?

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A.    The configuration is missing:
interface gi0/0/0/0
ip pim sparse-mode
interface gi0/0/0/1
ip pim sparse-mode
interface loopback0
ip pim sparse-mode
B.    The configuration is missing:
multicast-routing
address-family ipv4
interface gi0/0/0/0
enable
interface gi0/0/0/1
enable
C.    The auto-rp scoping configurations should be set to 1 not 16
D.    The RP address has not been configured using the rp-address router PIM configuration command
E.    PIM defaults to dense mode operations only, so PIM sparse mode must be enabled using the pim
sparse-mode router PIM configuration command

Answer: B

QUESTION 23
Drag and Drop questions

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Answer:

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QUESTION 24
Drag and Drop questions

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Answer:

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QUESTION 25
Drag and Drop questions

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Answer:

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QUESTION 26
Hotspot questions

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On the PE5 router, which statement Is correct regarding the learned BGP prefixes?

A.    The 209.165.201.0/27 prefix is received from the 10.0.1.1 IBGP peer which is a route reflector
B.    The 172.16.66.0/24 prefix BGP next-hop points to the route reflector
C.    All prefixes learned on PE5 has the default local prefernce value
D.    The 209.165.202.128/27 prefix is originated by the 10.0.1.1 IBGP peer

Answer: C
#show ip bgp– check i tag for PE5

QUESTION 27
Hotspot questions

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Which two statements regarding the BGP peerlngs are correct? (Choose two)

A.    On PE5,the incoming prefixes received from the 192.168.105.51 EBGP peer is limited to a maximum
of 10 prefixes
B.    On PE5, the “rplin” inbound route policy is applied to the 192.168.105.51 EBGP peer
C.    On PE5, the “pass” outbound route policy is applied to the 192.168.105.51 EBGP peer
D.    PE5 has one EBGP peer (CE5) and two IBGP peers (P1 and PE6)
E.    PE5 has received a total of 60 prefixes from its neighbors

Answer: AE
#show ip bgp

QUESTION 28
Hotspot questions

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Which three statements regarding the BGP operations are correct? (Choose three)

A.    PE5 will set the local preferences 200 on all the prefixes sent to CE5
B.    PE5 will set the local preference to 200 on all the prefixes learned from CE5
C.    CE5 has received 5 prefixes from the PE5 EBGP peer
D.    CE5 has the BGP scan interval set to 30 seconds
E.    CE5 is announcing the 192.168.55.0/24 prefix via EBGP to the PE5 EBGP peer
F.    The AS-Path to reach the 209.165.202.128/27 prefix from CE5 is: 64500 64497 64498

Answer: CEF
#sh ip bgp | be Network
#sh ip bgp
#show ip bgp neighbors

QUESTION 29
Hotspot questions

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Which three statements regarding the BGP operations are correct? (Choose three)

A.    PE5 is the route reflector with P1 and PE6 as its client
B.    PE5 is using the IS-IS route to reach the BGP next-hop for the 172.16.66.0/24 prefix
C.    PE5 has BGP route dampening enabled
D.    The BGP session between PE5 and P1 is established using the loopback interface and next- hop-self
E.    The BGP session between PE5 and CE5 is established using the loopback interface

Answer: ACD

QUESTION 30
Hotspot questions

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Which router Is configured as the RPforthe 234.1.1.1 multicast group and which Is the multicast source that is currently sending traffic to the 234.1.1.1 multicast group? (Choose two.)

A.    CE5
B.    PE5
C.    PE6
D.    10.5.10.1
E.    10.5.1.1
F.    192.168.156.60

Answer: CE
#show ip mroute234.1.1.1
#show ip route

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