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Candidates who crack the JN0-664 examination of the Juniper JN0-664 certification validate their worth in the sector of information technology. The Juniper JN0-664 credential is evidence of their talent. Reputed firms hire these talented people for high-paying jobs. To get the Service Provider, Professional (JNCIP-SP) (JN0-664) certification, it is essential to clear the Service Provider, Professional (JNCIP-SP) (JN0-664) test. For this task, you need to update Service Provider, Professional (JNCIP-SP) (JN0-664) preparation material to get success.

The JN0-664 Exam consists of 65 multiple-choice questions that must be completed within 120 minutes. JN0-664 exam is computer-based and is administered at Pearson VUE testing centers worldwide. Candidates must achieve a passing score of 65% or higher to earn the JNCIP-SP certification.

Juniper Service Provider, Professional (JNCIP-SP) Sample Questions (Q98-Q103):

NEW QUESTION # 98
Which two statements are correct about reflecting inet-vpn unicast prefixes in BGP route reflection? (Choose two.)

A. Clients add their originator ID when advertising routes to their route reflector
B. A BGP peer does not require any configuration changes to become a route reflector client.
C. Route reflectors do not change any existing BGP attributes by default when advertising routes.
D. Route reflectors add their cluster ID to the AS path when readvertising client routes.

Answer: B,C

Explanation:
Explanation
Route reflection is a BGP feature that allows a router to reflect routes learned from one IBGP peer to another IBGP peer, without requiring a full-mesh IBGP topology. Route reflectors do not change any existing BGP attributes by default when advertising routes, unless explicitly configured to do so. A BGP peer does not require any configuration changes to become a route reflector client, only the route reflector needs to be configured with the client parameter under [edit protocols bgp group group-name neighbor neighbor-address] hierarchy level.

NEW QUESTION # 99
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?

A. 0
B. 1
C. 2
D. 3

Answer: A

NEW QUESTION # 100
Exhibit

You want to implement the BGP Generalized TTL Security Mechanism (GTSM) on the network Which three statements are correct in this scenario? (Choose three)

A. BGP GTSM requires a TTL of 255 to be configured between neighbors.
B. BGP GTSM requires a firewall filter to discard packets with incorrect TTL.
C. You can implement BGP GTSM between R2 and R1.
D. You can implement BGP GTSM between R2, R3, and R4
E. BGP GTSM requires a TTL of 1 to be configured between neighbors.

Answer: A,D,E

Explanation:
Explanation
BGP GTSM is a technique that protects a BGP session by comparing the TTL value in the IP header of incoming BGP packets against a valid TTL range. If the TTL value is within the valid TTL range, the packet is accepted. If not, the packet is discarded. The valid TTL range is from 255 - the configured hop count + 1 to
255. When GTSM is configured, the BGP packets sent by the device have a TTL of 255. GTSM provides best protection for directly connected EBGP sessions, but not for multihop EBGP or IBGP sessions because the TTL of packets might be modified by intermediate devices.
In the exhibit, we can see that R2, R3, and R4 are in the same AS (AS 20) and R1 is in a different AS (AS 10).
Based on this information, we can infer the following statements:
* You can implement BGP GTSM between R2, R3, and R4. This is not correct because R2, R3, and R4 are IBGP peers and GTSM does not provide effective protection for IBGP sessions. The TTL of packets between IBGP peers might be changed by intermediate devices or routing protocols.
* BGP GTSM requires a firewall filter to discard packets with incorrect TTL. This is not correct because BGP GTSM does not require a firewall filter to discard packets with incorrect TTL. BGP GTSM uses TCP option 19 to negotiate GTSM capability between peers and uses TCP option 20 to carry the expected TTL value in each packet. The receiver checks the expected TTL value against the actual TTL value and discards packets with incorrect TTL values.
* You can implement BGP GTSM between R2 and R1. This is correct because R2 and R1 are EBGP peers and GTSM provides effective protection for directly connected EBGP sessions. The TTL of packets between directly connected EBGP peers is not changed by intermediate devices or routing protocols.
* BGP GTSM requires a TTL of 1 to be configured between neighbors. This is not correct because BGP GTSM requires a TTL of 255 to be configured between neighbors. The sender sets the TTL of packets to 255 and the receiver expects the TTL of packets to be 255 minus the configured hop count.
* BGP GTSM requires a TTL of 255 to be configured between neighbors. This is correct because BGP GTSM requires a TTL of 255 to be configured between neighbors. The sender sets the TTL of packets to 255 and the receiver expects the TTL of packets to be 255 minus the configured hop count.

NEW QUESTION # 101
Which two statements are correct about IS-IS interfaces? (Choose two.)

A. If a broadcast interface is in both L1 and L2, separate hello messages are sent for each level
B. If a point-to-point interface is in both L1 and L2, one combined hello message is sent for both levels.
C. If a broadcast interface is in both L1 and L2, one combined hello message is sent for both levels.
D. If a point-to-point interface is in both L1 and L2, separate hello messages are sent for each level.

Answer: A,D

Explanation:
Explanation
IS-IS supports two levels of routing: Level 1 (intra-area) and Level 2 (interarea). An IS-IS router can be either Level 1 only, Level 2 only, or both Level 1 and Level 2. A router that is both Level 1 and Level 2 is called a Level 1-2 router. A Level 1-2 router sends separate hello messages for each level on both point-to-point and broadcast interfaces1. A point-to-point interface provides a connection between a single source and a single destination. A broadcast interface behaves as if the router is connected to a LAN.

NEW QUESTION # 102
Refer to the Exhibit:

A network designer would like to advertise a single summary route from R4 to IS-IS level 2 neighbors as shown in the exhibit, but the configuration is not working.
Which three configuration changes will accomplish this task? (Choose three.)

A. set policy-options policy-statement summary-v6 term DC-routes from route-filter 2001:dbS:a:fa00::/6l exact
B. set policy-options policy-statement summary-v6 term suppress then reject
C. delete policy-options policy-statement summary-v6 term DC-routes from route-filter 2001:db5:a:fa00::
/61 longer
D. set protocols isis import summary-v6
E. delete protocols isis export summary-v6

Answer: A,B,C

NEW QUESTION # 103
......

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