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JN0-664 Sample Questions 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

You are configuring anycast RP for load balancing and redundancy in your PIM-SM domain. You want to share active sources between RPs.

In this scenario, what are two solutions that will accomplish this task? (Choose two.)

Options:

A.

Configure MSDP on each RP router.

B.

Configure anycast PIM with the rp-set statement on each RP router.

C.

Configure anycast PIM with the rp-set statement on each source DR router.

D.

Configure MSDP on each source DR router.

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Questions 6

Exhibit

A network designer would like to create a summary route as shown in the exhibit, but the configuration is not working.

Which three configuration changes will create a summary route? (Choose three.)

Options:

A.

set policy-options policy-statement leak-v6 term DC-routes then reject

B.

delete policy-options policy-statement leak-v6 term DC-routes from route-filter 2001: db9 :a: fa00 : :/6l longer

C.

set policy—options policy-statement leak-v€ term DC—routes from route-filter 2001:db9:a:faOO::/61 exact

D.

delete protocols isis export summary-v6

E.

set protocols isis import summary-v6

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Questions 7

You want to ensure that a single-area OSPF network will be loop free.

In this scenario, what are two requirements that satisfy this requirement? (Choose two.)

Options:

A.

The DR/BDR ensures that each node within an area has the same information in their LSDBs.

B.

The Shortest Path First algorithm must prune looped paths.

C.

Nodes within an area must connect in a full mesh.

D.

All nodes within an area must have the same information in their LSDBs.

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Questions 8

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 9

Exhibit

Referring to the exhibit, PE-1 and PE-2 are getting route updates for VPN-B when neither of them service that VPN

Which two actions would optimize this process? (Choose two.)

Options:

A.

Configure the resolution rib bgp.l3vpn.0 resolution-ribs inet.0 statement on the PEs.

B.

Configure the family route-target statement on the RR.

C.

Configure the resolution rib bgp.l3vpn.0 resolution-ribs inet.0 statement on the RR.

D.

Configure the family route-target statement on the PEs.

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Questions 10

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

Options:

A.

PSNPs are used to acknowledge a received LSP.

B.

CSNPs are used to acknowledge a received LSP.

C.

CSNPs are used to request a missing LSP.

D.

PSNPs are used to request a missing LSP.

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Questions 11

Exhibit.

Referring to the exhibit; the 10.0.0.0/24 EBGP route is received on R5; however, the route is being hidden.

What are two solutions that will solve this problem? (Choose two.)

Options:

A.

On R4, create a policy to change the BGP next hop to itself and apply it to IBGP as an export policy

B.

Add the external interface prefix to the IGP routing tables

C.

Add the internal interface prefix to the BGP routing tables.

D.

On R4, create a policy to change the BGP next hop to 172.16.1.1 and apply it to IBGP as an export policy

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Questions 12

Exhibit

You want Site 1 to access three VLANs that are located in Site 2 and Site 3 The customer-facing interface on the PE-1 router is configured for Ethernet-VLAN encapsulation.

What is the minimum number of L2VPN routing instances to be configured to accomplish this task?

Options:

A.

1

B.

3

C.

2

D.

6

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Questions 13

Exhibit

A network is using IS-IS for routing.

In this scenario, why are there two TLVs shown in the exhibit?

Options:

A.

There are both narrow and wide metric devices in the topology

B.

The interface specified a metric of 100 for L2.

C.

Wide metrics have specifically been requested

D.

Both IPv4 and IPv6 are being used in the topology

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Questions 14

Click the Exhibit button.

Referring to the exhibit, the PE-to-CE protocol being used is OSPF for the L3VPN. Also, there is an OSPF neighborship between CE-1 and CE-2.

Which statement is correct in this situation?

Options:

A.

You must set a high metric on the CE-1 to CE-2 link for hosts at Site-1 to use the L3VPN to reach hosts at Site-2.

B.

Hosts at Site-1 will reach hosts at Site-2 through the CE-1 and CE-2 link by default.

C.

Hosts at Site-1 will reach hosts at Site-2 through the L3VPN by default.

D.

You must set a high metric on the CE-1 to PE-1 link for hosts at Site-1 to use the CE-1 to CE-2 link to reach hosts at Site-2.

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Questions 15

You want to ensure that L1 IS-IS routers have only the most specific routes available from L2 IS-IS routers. Which action accomplishes this task?

Options:

A.

Configure the ignore-attached-bit parameter on all L2 routers.

B.

Configure all routers to allow wide metrics.

C.

Configure all routers to be L1.

D.

Configure the ignore-attached-bit parameter on all L1 routers

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Questions 16

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 17

In IS-IS, which two statements are correct about the designated intermediate system (DIS) on a multi-access network segment? (Choose two)

Options:

A.

A router with a priority of 10 wins the DIS election over a router with a priority of 1.

B.

A router with a priority of 1 wins the DIS election over a router with a priority of 10.

C.

On the multi-access network, each router forms an adjacency to every other router on the segment

D.

On the multi-access network, each router only forms an adjacency to the DIS.

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Questions 18

Exhibit

You are troubleshooting the connection between AS 64496 and AS 64497 and notice that only one of the paths is being used for traffic forwarding.

Referring to the exhibit, which three actions will ensure that R1 is configured properly for load balancing BGP routes? (Choose three.)

Options:

A.

Verify that the routing table on R1 has BGP routes for 203.0.113.128/25 with multiple next hops.

B.

Verify that the multipath option is configured under protocols bgp on both R2 and R3.

C.

Verify that there is a load balancing export policy under routing-options for the received BGP routes on R1.

D.

Verify that the multipath option is configured under protocols bgp on R1.

E.

Verify that an import load balancing policy exists under protocols bgp for the received BGP routes on R1.

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Questions 19

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 20

Exhibit

CE-1 and CE-2 are part of a VPLS called Customer1 No connectivity exists between CE-1 and CE-2. In the process of troubleshooting, you notice PE-1 is not learning any routes for this VPLS from PE-2, and PE-2 is not learning any routes for this VPLS from PE-1.

Options:

A.

The route target must match on PE-1 and PE-2.

B.

The route distinguisher must match on PE-1 and PE-2.

C.

The instance type should be changed to I2vpn.

D.

The no-tunnel-services statement should be deleted on both PEs.

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Questions 21

Click the Exhibit button.

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

Options:

A.

Incoming traffic will not be classified because no classifier exists in the configuration.

B.

The best-effort queue can transmit more than 40% of the total bandwidth on the ge-0/0/0 interface, if no other queue is using that bandwidth.

C.

Incoming traffic will be classified using the default classifier.

D.

The best-effort queue can never transmit more than 40% of the total bandwidth on the ge-0/0/0 interface, even if that bandwidth is available.

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Questions 22

Exhibit

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 23

Click the Exhibit button.

You are troubleshooting an issue for a customer site that uses 10.10.0.0/24 in AS 65224, but you see another AS in the AS path.

Referring to the exhibit, what is the cause of the problem?

Options:

A.

AS 65000 is pre-pending AS 65137 to route advertisements.

B.

The local AS is receiving two equal cost routes to 10.10.0.0/24.

C.

The local AS is in the process of withdrawing the route from AS 65137.

D.

AS 65137 is advertising the 10.10.0.0/24 prefix.

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Questions 24

Exhibit

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 25

Which two statements are correct regarding the PIM DR in a PIM-SM domain? (Choose two.)

Options:

A.

The source DR sends PIM register messages from the source network to the RP.

B.

If the DR priorities match, the router with the lowest IP address is selected as the DR.

C.

The receiver DR sends PIM join and PIM prune messages from the receiver network toward the RP.

D.

By default, PIM DR election is performed on point-to-point links.

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Questions 26

Which statement is correct about IS-IS when it performs the Dijkstra algorithm?

Options:

A.

The local router moves its own local tuples into the candidate database

B.

When a new neighbor ID in the tree database matches a router ID in the LSDB, the neighbor ID is moved to the candidate database

C.

Tuples with the lowest cost are moved from the tree database to the LSDB.

D.

The algorithm will stop processing once the tree database is empty.

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Questions 27

Which two statements are correct about the customer interface in an LDP-signaled pseudowire? (Choose two)

Options:

A.

When the encapsulation is vlan-ccc or extended-vlan-ccc, the configured VLAN tag is not included in the control plane LDP advertisement

B.

When the encapsulation is ethernet-ccc, only frames without a VLAN tag are accepted in the data plane

C.

When the encapsulation is vLan-ccc or extended-vlan-ccc, the configured VLAN tag is included in the control plane LDP advertisement

D.

When the encapsulation is ethemet-ccc, tagged and untagged frames are both accepted in the data plane.

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Exam Code: JN0-664
Exam Name: Service Provider Professional (JNCIP-SP)
Last Update: Dec 3, 2024
Questions: 93
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