Juniper JN0-664 Actual Free Exam Questions & Community Discussion

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: May 29, 2026

Question #41

Exhibit

Referring to the exhibit, CE-1 is providing NAT services for the hosts at Site 1 and you must provide Internet access for those hosts Which two statements are correct in this scenario? (Choose two.)

A. You must configure a static route in the main routing instance for the 203.0.113.1/32 prefix that uses the VPN-A.inet.0 table as the next hop.

B. You must configure a RIB group on PE-1 to leak the 10 1 2.0/24 prefix from the VPN-A.inet.0 table to the inet.0 table.

C. You must configure a RIB group on PE-1 to leak a default route from the inet.0 table to the VPN-A.inet.
0 table.

D. You must configure a static route in the main routing instance for the 10 1 2.0/24 prefix that uses the VPN-A.inet.0 table as the next hop

Discussion 0

Correct Answer: A,C Vote an answer

Question #42

Exhibit

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.)

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

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

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

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

Discussion 0

Correct Answer: A,C Vote an answer

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Question #43

Exhibit

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

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

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

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

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

Discussion 0

Correct Answer: C Vote an answer

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Question #44

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

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

B. 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.

C. Incoming traffic will be classified using the default classifier.

D. 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.

Discussion 0

Correct Answer: C,D Vote an answer

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Question #45

Which statement is true regarding BGP FlowSpec?

A. It uses a remote triggered black hole to protect a network from a denial-of-service attack.

B. It is used to protect a network from denial-of-service attacks dynamically

C. It verifies that the source IP of the incoming packet has a resolvable route in the routing table

D. It uses dynamically created routing policies to protect a network from denial-of-service attacks

Discussion 0

Correct Answer: B Vote an answer

Question #46

Exhibit

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

A. The PE is attached to a single local site.

B. There has been a VLAN ID mismatch.

C. The PE router has the capability to pop flow labels

D. The connection has not flapped since it was initiated.

Discussion 0

Correct Answer: A,D Vote an answer

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Question #47

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.)

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

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

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

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

Discussion 0

Correct Answer: C,D Vote an answer

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Question #48

You are configuring a BGP signaled Layer 2 VPN across your MPLS enabled core network. In this scenario, which statement is correct?

A. This type of VPN requires the support of the inet-vpn NLRI on all core BGP devices

B. You must use the same route-distinguiaher value on both PE devices.

C. You must assign a unique site number to each attached site's configuration.

D. This type of VPN only supports Ethernet interfaces when connecting to CE devices.

Discussion 0

Correct Answer: C Vote an answer

Question #49

Which three mechanisms are used by Junos platforms to evaluate incoming traffic for CoS purposes? (Choose three )

A. rewrite rules

B. traffic shapers

C. multifield classifiers

D. behavior aggregate classifiers

E. fixed classifiers

Discussion 0

Correct Answer: C,D,E Vote an answer

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Question #50

Exhibit

Referring to the exhibit, you must provide Internet access for VPN-A using CE-1 as the hub CE.
Which two statements are correct in this situation? (Choose two.)

A. Internet traffic from Site 2 takes the path of PE-2 -> PE-1 -> GW-1.

B. You must use RIB groups to leak routes between the inet. o and vpn-a. inet. o tables.

C. RIB groups are not needed to leak routes between the inet. 0 and VPN-A. inet. 0 tables,

D. Internet traffic from Site 2 takes the path of PE-2 -> PE-1 -> CE-1 -> PE-1 -> GW-1.

Discussion 0

Correct Answer: C,D Vote an answer

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