Free JN0-664 Questions for Juniper Service Provider, Professional (JNCIP-SP) JN0-664 Exam as PDF & Practice Test Engine

Exam Code/Number: JN0-664
Exam Name/Title: Service Provider, Professional (JNCIP-SP)
Certification Provider: Juniper
Corresponding Certification: JNCIP-SP

Exam Questions: 99
Updated On: Aug 24, 2026

Question #1

Which three statements about IS-IS in a multi-area network are correct? (Choose three.)

A. Internal L1 PDUs are flooded to all L1 routers in other areas.

B. External L2 PDUs are flooded to all L2 routers in other areas.

C. Internal L1 PDUs are flooded to the local area's L2 routers.

D. External L2 PDUs are only flooded to the local area's L2 routers.

E. Internal L1 PDUs are only flooded to the local area's L1 routers.

Discussion 0

Correct Answer: B,C,E Vote an answer

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Question #2

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

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

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

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

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

Discussion 0

Correct Answer: C,D Vote an answer

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Question #3

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.)

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

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

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

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

Discussion 0

Correct Answer: B,D Vote an answer

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Question #4

Which origin code is preferred by BGP?

A. Null

B. External

C. Incomplete

D. Internal

Discussion 0

Correct Answer: D Vote an answer

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Question #5

Exhibit.

Referring to the exhibit, which path would traffic passing through R1 take to get to R4?

A. R1 -> R2 -> R4

B. R1 -> R2 -> R3 -> R4

C. R1 -> R4

D. R1 -> R3 -> R4

Discussion 0

Correct Answer: A Vote an answer

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Question #6

Exhibit

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

A. A Layer 2 VPN is configured.

B. This VPN connects customer sites that use different AS numbers.

C. This VPN connects customer sites that use the same AS number

D. A Layer 3 VPN is configured.

Discussion 0

Correct Answer: C,D Vote an answer

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Question #7

Exhibit

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?

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

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

C. Configure the explicit-null statement on PE-2

D. Configure the explicit-null statement on PE-1.

Discussion 0

Correct Answer: C Vote an answer

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Question #8

Which two statements are correct about VPLS tunnels? (Choose two.)

A. LDP-signaled VPLS tunnels use auto-discovery to provision sites

B. BGP-signaled VPLS tunnels require manual provisioning of sites.

C. BGP-signaled VPLS tunnels can use either RSVP or LDP between the PE routers.

D. LDP-signaled VPLS tunnels only support control bit 0.

Discussion 0

Correct Answer: C,D Vote an answer

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Question #9

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.

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

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

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

D. The instance type should be changed to I2vpn.

Discussion 0

Correct Answer: A Vote an answer

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Question #10

You have an L2VPN connecting two CEs across a provider network. The CEs and provider network are configured with the default MTU setting. You use the ping command from one CE to the other CE with a size of 1500 bytes.
In this scenario, which statement is correct when using the ping command?

A. You expect the ping results to be fragmented.

B. You expect an echo reply.

C. You expect an ICMP message too long error.

D. You expect a silent discard.

Discussion 0

Correct Answer: D Vote an answer

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Free JN0-664 Questions for Juniper Service Provider, Professional (JNCIP-SP) JN0-664 Exam as PDF & Practice Test Engine

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