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500-230 Cisco Service Provider Routing Field Engineer Exam Question and Answers

Question # 4

Which is required on the CE router in an L3VPN solution?

A.

Configure the PE-CE Routing protocol

B.

Define the VPN by creating a VRF

C.

Assign the PE facing interface to a VRF

D.

Configure MPLS forwarding on the interface to the PE router

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Question # 5

How do you verify the label(s) used between the ASBRs in Option A Inter-AS L3VPN operation?

A.

There are no labels used between the ASBRs

B.

Verify the labels assigned by MP-BGP in the SHOW BGP VPNV4 UNICAST

C.

Verify the labels assigned by MP-BGP in the SHOW CEF VRF output

D.

Verify the labels assigned by LDP in the output of SHOW MPLS FORWARDING

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Question # 6

Which command removes a user from configuration mode but keeps the user connected to the router?

A.

clear line

B.

clear session

C.

clear commit

D.

clear config session

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Question # 7

When are core dump files created by the system?

A.

There are too many critical events.

B.

There are too many duplicate messages.

C.

The commit database is full.

D.

A process fails or terminates abnormally.

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Question # 8

What is the default MP-BGP address-family on IOS-XR?

A.

IPv6 unicast

B.

There is no default address-family

C.

IPv4 unicast

D.

VPNv4

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Question # 9

What is currently required for eBGP sessions in IOS-XR that was not required in IOS?

A.

Default MED values

B.

Local-Preference values

C.

Send Communities

D.

Route-Filter In and Out

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