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Question No.1
Which command is required to permit the retention of BGP Prefixes on a router with VRFs not importing the associated Route Target?
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route-policy PASS-ALL in
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retain route-target all
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import route-target policy all
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import route-target all
Correct Answer: B
Question No.2
How are labels exchanged between the AS#39;es in an Option B Layer-3 VPN solution?
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Via an eBGP multihop connection between the Ingress PE#39;s in each AS.
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Via an eBGP multihop connection between a Route-Reflector in each AS.
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There are no labels exchanged between the two AS#39;es.
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Via an eBGP connection between the directly connected ASBR#39;s, one in each AS.
Correct Answer: D
Question No.3
What command is used to manually generate a core dump to aid in troubleshooting a process?
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context
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dumpcore
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exception
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follow
Correct Answer: C
Question No.4
Which mode will shut down a process?
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EXEC
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ADMIN
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CONFIG
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ADMIN-CONFIG
Correct Answer: C
Question No.5
What is currently required for eBGP sessions in IOS-XR that was not required in IOS?
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Default MED values
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Local-Preference values
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Send Communities
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Route-Filter In and Out
Correct Answer: D
Question No.6
How many times are Layer 3 lookups performed on a packet transiting a CRS or ASR9k router?
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Three times: in the ingress linecard, the fabric, and the egress linecard
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Once: in the active RP/RSP
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Once: in the ingress linecard
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Twice: in the ingress linecard and again in the egress linecard
Correct Answer: A
Question No.7
Which is required on the CE router in an L3VPN solution?
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Configure the PE-CE Routing protocol
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Define the VPN by creating a VRF
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Assign the PE facing interface to a VRF
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Configure MPLS forwarding on the interface to the PE router
Correct Answer: A
Question No.8
What is the default MP-BGP address-family on IOS-XR?
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IPv6 unicast
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There is no default address-family
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IPv4 unicast
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VPNv4
Correct Answer: D
Question No.9
Which command is run to make changes permanent and survive a reload after executing the command quot;copy disk0:config-file.txt running-configquot;?
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Commit Confirm
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Commit Copy
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Command not require, changes are committed automatically
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Commit
Correct Answer: D
Question No.10
What BGP address-families are used between the ASBRs in the different AS#39;es in an IPv4 Option C Layer-3 VPN solution?
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VPNv4 Unicast Only
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IPv4 Umcast and VPNv4 Unicast
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IPv4 Labeled-Unicast only
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IPv4 Unicast and IPv4 Labeled-Unicast