Exit demo 500-230 Cisco Service Provider Routing Field Engineer PDF format · free preview

Cisco 500-230 - Questions & Answers

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Question 1
Single choice

Which underlying protocol(s) does LDP utilize to communicate with LDP Peers?

A.

UDP and TCP

B.

UDP only

C.

LDP uses IP Protocol 646 and does not rely on UDP or TCP

D.

TCP only

Question 2
Single choice

Which command is used to undo a change after issuing a commit command?

A.

router# rollback configuration to -1

B.

router(config# commit undo

C.

router(config)# commit rollback

D.

router# rollback configuration last 1

Question 3
Single choice

What command is used to manually generate a core dump to aid in troubleshooting a process?

A.

context

B.

dumpcore

C.

exception

D.

follow

Question 4
Single choice

What is the TRACE command?

A.

A packet tracer showing the path of a packet from ingress to egress in the router.

B.

The replacement for TraceRoute in IOS-XR.

C.

A form of always-on debugging available for a subset of commands.

D.

Exactly the same as the debug command, must be explicitly turned on.

Question 5
Single choice

How are labels exchanged between the AS'es in an Option B Layer-3 VPN solution?

A.

Via an eBGP multihop connection between the Ingress PE's in each AS.

B.

Via an eBGP multihop connection between a Route-Reflector in each AS.

C.

There are no labels exchanged between the two AS'es.

D.

Via an eBGP connection between the directly connected ASBR's, one in each AS.

Question 6
Single choice

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

Question 7
Single choice

Which mode will shut down a process?

A.

EXEC

B.

ADMIN

C.

CONFIG

D.

ADMIN-CONFIG

Question 8
Single choice

One of your peers show <NO NEG> in the SHOW BGP VPNV4 UNICAST SUMMARY output

What is the cause of this?

A.

The label value ranges are mismatched.

B.

The peer has no prefixes with a Route-Target that the local router is importing.

C.

The BGP prefixes between the routers have not fully converged and will correct itself in time.

D.

The peer router is not configured to use the VPNv4 address-family for this connection.

Question 9
Single choice

What BGP address-families are used between the ASBRs in the different AS'es in an IPv4 Option C Layer- 3 VPN solution?

A.

VPNv4 Unicast Only

B.

IPv4 Umcast and VPNv4 Unicast

C.

IPv4 Labeled-Unicast only

D.

IPv4 Unicast and IPv4 Labeled-Unicast

Question 10
Single choice

What priority values do the WDSYSMON Ticker and Watcher threads utilize?

A.

Ticker 11, Watcher 254

B.

Ticker 10, Watcher 63

C.

Ticker 11, Watcher 63

D.

Ticker 10, Watcher 254

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