Pass the Cisco CCNP Service Provider 300-515 Questions and answers with CertsForce

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Questions # 1:

An engineer needs to improve MPLS network management by implementing a set of tools to support the NOC engineers in troubleshooting network failures. Which feature should the engineer implement to check the connectivity of the MPLS LSP between the ingress and egress PE routers?

Options:

A.

MPLS OAM


B.

MPLS-TP


C.

LDP autodiscovery


D.

extended ping


Questions # 2:

An engineer is troubleshooting an ongoing network outage. Which command should he use that can display the live log files for a process or service running on a network device?

Options:

A.

traceroute


B.

show run


C.

ping


D.

debug


Questions # 3:

You try to configure MPLS VPN VRF Selection based on a source IP address on an interface that has VRF configured, but you receive an error.

Which action must you take to correct the problem?

Options:

A.

Change the source IP address.


B.

Add the IP address to the VRF table.


C.

Remove the VRF from the interface.


D.

Configure static routes for the VRF.


Questions # 4:

You are troubleshooting ARP connectivity issues for an Ethernet interface on an IOS XR network that runs IS- IS. You verify that the IGP protocol is running, but an ARP entry has not yet been created.

Which action should you take?

Options:

A.

debug ping packets


B.

debug ARP


C.

ping the connected neighbor


D.

verify the RIB table routes


Questions # 5:

Refer to the exhibit.

Question # 5

Which statement about this output is true?

Options:

A.

The router IP 192.168.1.2 sent an implicit null, and the output is from the penultimate LSR.


B.

The adjacent router is the egress LSR and has mpls ldp explicit-null configured.


C.

The adjacent LSR router configured mpls label range 0.


D.

The zero in the second column is the normal behavior of an egress router LSR.


Questions # 6:

Refer to the exhibit.

Question # 6

A network engineer has been called to configure the four PE devices in order to enable full communication among the four CE devices connected to them. While starting to configure, he experienced a connectivity issue. Which two tasks should the engineer perform in order to begin the process correctly? (Choose two.)

Options:

A.

Configure PE3 to export route-targets 100:1 and 200:2.


B.

Configure PE3 to import route-targets 100:1 and 200:2.


C.

Configure PE4 to import route-targets 101:1 and 202:2.


D.

Configure PE2 to export route-targets 300:3 and 400:4.


E.

Configure PE1 to import route-targets 300:3 and 400:4.


Questions # 7:

Refer to the exhibit.

Question # 7

While provisioning a new BGP session between the PE and CE router, you issue the as- override command. Which statement describes modification of the prefix before being sent to the CE router (10.10.10.1)?

Options:

A.

The fourth AS changes, but no other autonomous systems change.


B.

The first and fourth autonomous systems change.


C.

The second and third autonomous systems change.


D.

The first AS changes, but no other autonomous systems change.


Questions # 8:

Refer to the exhibit.

Question # 8

A technician is troubleshooting a connectivity issue and notices that there is no IS-IS adjacency between R1 and R2. What can the technician change to bring the IS-IS adjacency up?

Options:

A.

Change R2’s net address to be in the same area as R1.


B.

Change R1’s is-type to level-2-only


C.

Change R1’s net address to be in the same area as R2.


D.

Change R2’s configuration to no longer set the overload bit.


Questions # 9:

Refer to the exhibit.

Question # 9

Which statement about this command is true?

Options:

A.

It must be configured on each PE router to enable the PE routers to receive multicast traffic for this particular MVRF.


B.

It is used to set the designated router on a link using PIM-SM.


C.

It must be configured on the PE and CE router to enable MP-BGP to send labels for CSC.


D.

It is used to set the router that will server as the root bridge for STP.


Questions # 10:

Which kind of traffic is supported in an MVPN Extranet?

Options:

A.

PIM dense mode with Reverse Path Forwarding


B.

PIM dense mode


C.

PIM sparse mode


D.

Bidirectional PIM


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