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JN0-663 Online Practice Questions and Answers

Questions 4

What is the purpose of the cluster-list attribute within a BGP route reflector group?

A. to disable internal cluster re-advertisements

B. to facilitate loop detection within the route reflector network

C. to define the router that first advertised the route to the route reflector

D. to override the router ID value within the cluster

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Questions 5

Referring to the exhibit, traffic sent from CE-A2 to PE3 does not loop back to CE-A2 through PE2.

Winch two EVPN functions accomplish this task? (Choose two.)

A. multicast ingress replication

B. aliasing

C. split horizon

D. designated forwarder election

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Questions 6

Referring to the exhibit, which OSPFv3 configuration is implemented on router R1?

A. set protocols ospf3 area 0.0.0.0 interface ge-0/0/0.0 set protocols ospf3 area 0.0.0.1 interface ge-0/0/1.0 set protocols ospf3 area 0.0.0.1 interface ge-0/0/0.0

B. set protocols ospf3 area 0.0.0.0 interface ge-0/0/0.0 set protocols ospf3 area 0.0.0.1 interface ge-0/0/1.0 set protocols ospf3 area 0.0.0.1 virtual-link neighbor-id 172.16.1.2

C. set protocols ospf3 area 0.0.0.0 interface ge-0/0/0.0 set protocols ospf3 area 0.0.0.1 interface ge-0/0/1.0 set protocols ospf3 area 0.0.0.1 interface ge-0/0/0.0 secondary

D. set protocols ospf3 area 0.0.0.0 interface ge-0/0/0.0 set protocols ospf3 area 0.0.0.1 interface ge-0/0/1.0 set protocols ospf3 area 0.0.0.1 interface ge-0/0/0.0 interface-type p2p

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Questions 7

A customer wants to reduce LSP flooding in their IS-IS network.

Which parameter should you change to accomplish this task?

A. [edit protocols isis] user@router# set spf-options rapid-runs 5

B. [edit protocols isis interface ] user@router# set csnp-interval 65535

C. [edit protocols isis interface ] user@router# set lsp-interval 1000

D. [edit protocols isis interface ] user@router# set mesh-group

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Questions 8

The link between CE1 and PE1 has a history of flapping. To avoid the impact that flapping causes to the network, you decide to use route damping.

Which statement is correct in this scenario?

A. Dampening is enabled on interfaces.

B. Dampened routes decay at a sliding rate known as half-life.

C. Routes become dampened when the configured max-suppress value is reached.

D. Dampened routes become active when their figure of merit drops below the reuse value.

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Questions 9

You are deploying a new EVPN service for your customers.

You must build the service based on the following requirements:

-both Layer 2 and Layer 3 functionality must be supported;

-your customers must be able to support multiple VLANs in the same EVPN instance (EVI).

In this scenario, which two types of routing instances should be configured? (Choose two.)

A. virtual switch

B. virtual router

C. VRF

D. EVPN

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Questions 10

Which three statements are true about the show pim join output shown in the exhibit? (Choose three.)

A. This is a source-specific multicast stream.

B. The multicast receiver is still using the RP to receive the stream.

C. The multicast stream has been configured with a backup path to allow for fast reroute.

D. The multicast stream does not have an RP.

E. The shortest path to the source is through the RP.

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Questions 11

Why do interprovider option B VPNs scale better than interprovider option A VPNs?

A. The ASBRs in interprovider option B VPNs do not need per-VPN VRF tables.

B. The ASBRs in interprovider option A VPNs do not need per-VPN VRF tables.

C. The ASBRs in interprovider option A VPNs only carry internal routes.

D. The ASBRs in interprovider option B VPNs only carry internal routes.

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Questions 12

R1 assigns incoming voice traffic to the ef forwarding class. All other traffic is assigned to the best-effort forwarding class. You have configured a CoS re-write rule on R1 to include the correct CoS bit values in packets sent towards R2. You want R2 to classify traffic using the CoS markings created by R1.

Which two configuration steps are necessary to accomplish this task? (Choose two.)

A. Assign the behavior aggregate classifier to the ge-0/0/1.0 interface on R2.

B. Assign the CoS re-write rule to the ge-0/0/1.0 interface on R2.

C. Configure a CoS re-write rule on R2 and assign matching CoS values.

D. Configure a behavior aggregate classifier on R2.

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Questions 13

You have a Layer 3 VPN established between PE-1 and PE-2 as well as between PE-1 and PE-3. You are using a route reflector (RR-1) to distribute VPN routes to your IBGP peers. You are asked to ensure that only relevant routes are sent from RR-1 to each of the PE routers.

Referring to the exhibit, which statement is correct?

A. You should use VRF export policies on RR-1 to control which routes are sent to each PE router.

B. You should use route target filtering only on RR-1 to control which routes are sent to each PE router.

C. You should use firewall filtering on RR-1 and all the PE devices to control which routes are sent to each PE router.

D. You should use route target filtering on RR-1 and all the PE devices to control which routes are sent to each PE router.

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Questions 14

You are considering different MPLS VPN connectivity options for a new customer deployment. Your customer requires shared LSPs, Layer 2 connectivity, and auto-provisioning.

Which type of VPN satisfies the requirements?

A. BGP Layer 3 VPNs

B. circuit cross-connects

C. LDP Layer 2 circuits

D. BGP Layer 2 VPNs

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Questions 15

Which two statements about virtual links are correct? (Choose two.)

A. Virtual links are point-to-point.

B. Virtual links are used for control plane traffic.

C. Virtual links are excluded from SPF calculations.

D. Virtual links are bidirectional.

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Questions 16

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

A. This router is an ASBR.

B. There are two interfaces marked as passive.

C. There is one interface marked as passive.

D. This router is an ABR.

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Questions 17

Which two statements regarding ingress replication in EVPN are correct? (Choose two.)

A. Ingress replication labels are learned from remote PEs through the EVPN Type-3 route.

B. Ingress replication relies on PIM to build the multicast replication tree.

C. Ingress replication is only supported in vrf-type routing instances.

D. Ingress replication will replicate all BUM traffic to all remote PEs in the EVI.

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Questions 18

Referring to the exhibit, you are asked to summarize all routes in the 10.10.0.0/22 address range ensuring that a single summary route is present in area 49.0002 while the IS-IS internal contributing routes are restricted to area 49.0001. All other routes must not be affected.

Which two operations would have to be performed on R2 to accomplish this task? (Choose two.)

A. Create and apply a policy with a single term to accept only the summary route.

B. Include the to level 2 match criteria when referencing the summary route.

C. Include the from level 1 match criteria when referencing the summary route.

D. Create and apply a policy with two terms; one to accept the summary route and one to reject the contributing routes.

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Exam Code: JN0-663
Exam Name: Service Provider Routing and Switching, Professional (JNCIP-SP)
Last Update: Mar 22, 2024
Questions: 96 Q&As

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