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JN0-664 Service Provider Professional (JNCIP-SP) Questions and Answers

Questions 4

Which two statements are correct regarding bootstrap messages that are forwarded within a PIM sparse mode domain? (Choose two.)

Options:

A.

Bootstrap messages are forwarded only to routers that explicitly requested the messages within the PIM sparse-mode domain

B.

Bootstrap messages distribute RP information dynamically during an RP election.

C.

Bootstrap messages are used to notify which router is the PIM RP

D.

Bootstrap messages are forwarded to all routers within a PIM sparse-mode domain.

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Questions 5

JN0-664 Question 5

JN0-664 Question 5

Click the Exhibit button.

Referring to the exhibit, which two statements are correct regarding the output shown in the exhibit? (Choose two.)

Options:

A.

The multicast group is an ASM group.

B.

The multicast traffic is using the SPT.

C.

The multicast group is an SSM group.

D.

The multicast traffic is using the RPT.

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Questions 6

Which two statements are correct about a sham link? (Choose two.)

Options:

A.

It creates an OSPF multihop neighborship between two PE routers.

B.

It creates a BGP multihop neighborship between two PE routers.

C.

The PEs exchange Type 1 OSPF LSAs instead of Type 3 OSPF LSAs for the L3VPN routes

D.

The PEs exchange Type 3 OSPF LSAs instead of Type 1 OSPF LSAs for the L3VPN routes.

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Questions 7

Exhibit

JN0-664 Question 7

You want to implement the BGP Generalized TTL Security Mechanism (GTSM) on the network

Which three statements are correct in this scenario? (Choose three)

Options:

A.

You can implement BGP GTSM between R2, R3, and R4

B.

BGP GTSM requires a firewall filter to discard packets with incorrect TTL.

C.

You can implement BGP GTSM between R2 and R1.

D.

BGP GTSM requires a TTL of 1 to be configured between neighbors.

E.

BGP GTSM requires a TTL of 255 to be configured between neighbors.

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Questions 8

Exhibit

JN0-664 Question 8

You have MAC addresses moving in your EVPN environment

Referring to the exhibit, which two statements are correct about the sequence number? (Choose two)

Options:

A.

It identifies MAC addresses that should be discarded.

B.

It resolves conflicting MAC address ownership claims.

C.

It helps the local PE to identify the latest advertisement.

D.

It is advertised using a Type 2 message

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Questions 9

JN0-664 Question 9

Click the Exhibit button.

Referring to the exhibit, you must provide VRF Internet access over a single connection for VPN-A Site 1, which connects to PE-1.

Which two statements are correct in this scenario? (Choose two.)

Options:

A.

You must use the RIB group to move a default route, which is learned through BGP, from the inet. o table to the VPN-A. inet. 0 table.

B.

You do not need to use the RIB group to move interface routes from the inet. o table to the VPN-A. inet. 0 table.

C.

You do not need to use the RIB group default route, which is learned through BGP, from the inet. o table to the VPN-A. inet. 0 table.

D.

You must use the RIB group to move interface routes from the inet . 0 table to the VPN-A. inet. 0 table.

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Questions 10

Exhibit

JN0-664 Question 10

Referring to the exhibit, which two statements are correct about the dual route reflectors within a cluster? (Choose two.)

Options:

A.

RR1 and RR2 must have the same duster ID to exchange routes learned from the client.

B.

RR1 and RR2 append the duster ID when advertising routes from dient to dient.

C.

RR1 and RR2 advertise routes learned from the clients to EBGP peers, using itself as the next hop.

D.

RR1 advertises routes from the client to RR2. using itself as the next hop.

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Questions 11

Click the Exhibit button.

JN0-664 Question 11

You enabled a new router (R3) in your network but all destinations using IS-IS routes are not properly load balancing over this new router.

Referring to the exhibit, what is the problem?

Options:

A.

R2 is missing internal routes for R1.

B.

R1 is missing internal routes for R2.

C.

R3 does not have wide-metrics enabled.

D.

R1 does not have wide-metrics enabled.

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Questions 12

Exhibit

JN0-664 Question 12

You are attempting to summarize routes from the 203.0.113.128/25 IP block on R8 to AS 64500. You implement the export policy shown in the exhibit and all routes from the routing table stop being advertised.

In this scenario, which two steps would you take to summarize the route in BGP? (Choose two.)

Options:

A.

Remove the from protocol bgp command from the export policy.

B.

Add the set protocols bgp family inet unicast add-path command to allow additional routes to the RIB tables. -

C.

Add the set routing-options static route 203.0.113.123/25 discard command.

D.

Replace exact in the export policy with orlonger.

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Questions 13

Exhibit

JN0-664 Question 13

You are asked to exchange routes between R1 and R4 as shown in the exhibit. These two routers use the same AS number Which two steps will accomplish this task? (Choose two.)

Options:

A.

Configure the BGP group with the advertise-peer-as parameter on R1 and R4.

B.

Configure the BGP group with the as-override parameter on R2 and R3

C.

Configure the BGP group with the advertise-peer-as parameter on R2 and R3.

D.

Configure the BGP group with the as-override parameter on R1 and R4

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Questions 14

Exhibit

JN0-664 Question 14

Which two statements are true about the OSPF adjacency displayed in the exhibit? (Choose two.)

Options:

A.

There is a mismatch in the hello interval parameter between routers R1 and R2

B.

There is a mismatch in the dead interval parameter between routers R1 and R2.

C.

There is a mismatch in the OSPF hold timer parameter between routers R1 and R2.

D.

There is a mismatch in the poll interval parameter between routers R1 and R2.

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Questions 15

Which two statements about IS-IS are correct? (Choose two.)

Options:

A.

CSNPs are flooded periodically.

B.

PSNPs are flooded periodically.

C.

PSNPs contain only descriptions of LSPs.

D.

CSNPs contain only descriptions of LSPs.

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Questions 16

Exhibit

JN0-664 Question 16

Click the Exhibit button-Referring to the exhibit, which two statements are correct about BGP routes on R3 that are learned from the ISP-A neighbor? (Choose two.)

Options:

A.

By default, the next-hop value for these routes is not changed by ISP-A before being sent to R3.

B.

The BGP local-preference value that is used by ISP-A is not advertised to R3.

C.

All BGP attribute values must be removed before receiving the routes.

D.

The next-hop value for these routes is changed by ISP-A before being sent to R3.

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Questions 17

In which two ways does OSPF prevent routing loops in multi-area networks? (Choose two.)

Options:

A.

All areas are required to connect as a full mesh.

B.

The LFA algorithm prunes all looped paths within an area.

C.

All areas are required to connect to area 0.

D.

The SPF algorithm prunes looped paths within an area.

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Questions 18

Which two statements describe PIM-SM? (Choose two)

Options:

A.

Routers with receivers send join messages to their upstream neighbors.

B.

Routers without receivers must periodically prune themselves from the SPT.

C.

Traffic is initially flooded to all routers and an S,G is maintained for each group

D.

Traffic is only forwarded to routers that request to join the distribution tree.

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Questions 19

Your network is receiving the 203.0.113.0/24 network using EBGP from AS 64500 and AS 64501. Both of these advertisements have identical local-preference values, AS-path lengths, and BGP origin codes. You want to influence the way your AS sends traffic to the 203.0.113.0/24 network.

In this scenario, which attribute would you consider next when selecting the best path?

Options:

A.

router ID

B.

MED value

C.

peer IP address

D.

IGP metric

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Questions 20

Exhibit

JN0-664 Question 20

R1 and R8 are not receiving each other's routes

Referring to the exhibit, what are three configuration commands that would solve this problem? (Choose three.)

Options:

A.

Configure remove-private on advertisements from AS 64497 toward AS 64498.

B.

Configure as-override on advertisement from AS 64500 toward AS 64512.

C.

Configure remove-private on advertisements from AS 64500 toward AS 64499.

D.

Configure loops and advertise-peer-as on routers in AS 64497 and AS 64450.

E.

Configure loops on routers in AS 65412 and advertise-peer-as on routers in AS 64498.

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Questions 21

Exhibit

JN0-664 Question 21

Referring to the exhibit, what do the brackets [ ] in the AS path identify?

Options:

A.

They identify the local AS number associated with the AS path if configured on the router, or if AS path prepending is configured

B.

They identify an AS set, which are groups of AS numbers in which the order does not matter

C.

They identify that the autonomous system number is incomplete and awaiting more information from the BGP protocol.

D.

They identify that a BGP confederation is being used to ensure that there are no routing loops.

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Questions 22

Exhibit

JN0-664 Question 22

CE-1 must advertise ten subnets to PE-1 using BGP Once CE-1 starts advertising the subnets to PE-1, the BGP peering state changes to Active.

Referring to the CLI output shown in the exhibit, which statement is correct?

Options:

A.

CE-1 is advertising its entire routing table.

B.

CE-1 is configured with an incorrect peer AS

C.

The prefix limit has been reached on PE-1

D.

CE-1 is unreachable

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Questions 23

Exhibit

user@Rl show configuration interpolated-profile { interpolate {

fill-level [ 50 75 drop—probability [ > }

class-of-service drop-profiles

];

20 60 ];

Which two statements are correct about the class-of-service configuration shown in the exhibit? (Choose two.)

Options:

A.

The drop probability jumps immediately from 20% to 60% when the queue level reaches 75% full.

B.

The drop probability gradually increases from 20% to 60% as the queue level increases from 50% full to 75% full

C.

To use this drop profile, you reference it in a scheduler.

D.

To use this drop profile, you apply it directly to an interface.

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Questions 24

You must alter class-of-service values in packets on the outbound interface of an edge router.

In this scenario, which CoS component allows you to accomplish this task?

Options:

A.

output policer

B.

scheduler

C.

rewrite rules

D.

forwarding classes

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Questions 25

Exhibit

JN0-664 Question 25

Referring to the exhibit, which two statements are true? (Choose two.)

Options:

A.

This route is learned through EBGP

B.

This is an EVPN Type-2 route.

C.

The device advertising this route into EVPN is 192.168.101.5.

D.

The devices advertising this route into EVPN are 10 0 2 12 and 10.0.2.22.

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Questions 26

Which two statements are correct about reflecting inet-vpn unicast prefixes in BGP route reflection? (Choose two.)

Options:

A.

Route reflectors do not change any existing BGP attributes by default when advertising routes.

B.

A BGP peer does not require any configuration changes to become a route reflector client.

C.

Clients add their originator ID when advertising routes to their route reflector

D.

Route reflectors add their cluster ID to the AS path when readvertising client routes.

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Questions 27

When using OSPFv3 for an IPv4 environment, which statement is correct?

Options:

A.

OSPFv3 only supports IPv4.

B.

OSPFv3 supports both IPv6 and IPv4, but not in the same routing instance.

C.

OSPFv3 is not backward compatible with IPv4

D.

OSPFv3 supports IPv4 only on interfaces with family inet6 defined

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Questions 28

Exhibit

JN0-664 Question 28

Referring to the exhibit, a working L3VPN exists that connects VPN-A sites CoS is configured correctly to match on the MPLS EXP bits of the LSP, but when traffic is sent from Site-1 to Site-2, PE-2 is not classifying the traffic correctly

What should you do to solve the problem?

Options:

A.

Configure the explicit-null statement on PE-1.

B.

Configure the explicit-null statement on PE-2

C.

Configure VPN prefix mapping for the PE-1_to_PE-2 LSP

D.

Set a static CoS value for the PE-1_to_PE-2 LSP

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Questions 29

Exhibit

JN0-664 Question 29

Referring to the exhibit, which statement is true?

Options:

A.

The 10.101.1.0/24 route will be shared if the vrf-table-label parameter is configured.

B.

The 10.101.1.0/24 route will only be shared if BGP is configured in the routing instance

C.

The 10.101.1 0/24 route will be shared if there are other VRFs that use the same route target community

D.

The 10.101.1.0/24 route will be shared if the auto-export parameter is configured

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Exam Code: JN0-664
Exam Name: Service Provider Professional (JNCIP-SP)
Last Update: Mar 28, 2025
Questions: 97

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