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Juniper JN0-664 (Service Provider, Professional (JNCIP-SP)) Exam is a certification exam that is designed to test the knowledge and skills of IT professionals who are seeking to become certified as Juniper Networks Certified Internet Professionals in the Service Provider space. JN0-664 exam is intended for those who have already obtained the Juniper Networks Certified Internet Associate (JNCIA-SP) certification and have some experience in the field.

Juniper JN0-664 (Service Provider, Professional (JNCIP-SP)) certification exam is designed for professionals who are looking to validate their advanced-level knowledge and skills in the field of Juniper service provider networking technologies. Service Provider, Professional (JNCIP-SP) certification demonstrates that the candidate has the expertise and experience to configure, troubleshoot and maintain Juniper Networks service provider routers, switches, and protocols.

Achieving the Juniper JN0-664 Certification demonstrates a high level of expertise in service provider network design, implementation, and management. Service Provider, Professional (JNCIP-SP) certification is recognized globally as a mark of excellence in the networking industry and can open up new career opportunities for professionals looking to advance their careers in service provider networks. With the growing demand for network professionals who can design, implement, and manage service provider networks, the Juniper JN0-664 certification is a valuable asset for any networking professional looking to enhance their skills and knowledge.

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Juniper Service Provider, Professional (JNCIP-SP) Sample Questions (Q33-Q38):

NEW QUESTION # 33
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.)

A. Add the internal interface prefix to the BGP routing tables.
B. 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
C. Add the external interface prefix to the IGP routing tables
D. On R4, create a policy to change the BGP next hop to itself and apply it to IBGP as an export policy

Answer: C,D

Explanation:
the default behavior for iBGP is to propagate EBGP-learned prefixes without changing the next-hop. This can cause issues if the next-hop is not reachable via the IGP. One solution is to use the next-hop self command on R4, which will change the next-hop attribute to its own loopback address. This way, R5 can reach the next-hop via the IGP and install the route in its routing table.
Another solution is to add the external interface prefix (120.0.4.16/30) to the IGP routing tables of R4 and R5.
This will also make the next-hop reachable via the IGP and allow R5 to use the route. According to 2, this is a possible workaround for a pure IP network, but it may not work well for an MPLS network.
The reason why the route is being hidden is that R5 cannot reach the BGP next hop 10.0.0.1, which is the address of R1. R5 does not have a route to 10.0.0.0/24 in its routing table, and neither does R4. Therefore, R5 cannot resolve the BGP next hop and marks the route as hidden.
There are two solutions that will solve this problem:
Option A: On R4, create a policy to change the BGP next hop to itself and apply it to IBGP as an export policy. This way, R5 will receive the route with a next hop of 172.16.1.2, which is reachable via the IGP. This solution is also known as next-hop-self1.
Option B: Add the external interface prefix to the IGP routing tables. This way, R4 and R5 will learn a route to 10.0.0.0/24 via the IGP and be able to resolve the BGP next hop. This solution is also known as recursive lookup2.
Option C is not correct because adding the internal interface prefix to the BGP routing tables will not help R5 reach the BGP next hop 10.0.0.1.
Option D is not correct because changing the BGP next hop to 172.16.1.1 on R4 will not help R5 either, since R5 does not have a route to 172.16.1.1 in its routing table.
References: 1: Configuring Next-Hop-Self for IBGP Peers 2: Understanding Recursive Lookup

NEW QUESTION # 34
Refer to the exhibit.

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.)

A. 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.
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 must use the RIB group to move interface routes from the inet . 0 table to the VPN-A. inet. 0 table.
D. 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.

Answer: B,D

Explanation:
In the provided exhibit, the configuration involves using a RIB (Routing Information Base) group to facilitate internet access for VPN-A Site 1 through PE-1. The goal is to provide VRF Internet access over a single connection.
1. **Understanding RIB Groups**:
- RIB groups allow for the import and export of routes between different routing tables.
- In this scenario, we have two RIBs: `inet.0` (the main routing table) and `VPN-A.inet.0` (the VRF-specific routing table).
2. **Statement Analysis**:
- **A. You must use the RIB group to move a default route, which is learned through BGP, from the inet.0 table to the VPN-A.inet.0 table.**
- Correct. To provide Internet access to VPN-A, the default route (0.0.0.0/0) learned via BGP in the `inet.0` table must be made available in the `VPN-A.inet.0` table. This is done using the RIB group to import the default route.
- **B. You do not need to use the RIB group to move interface routes from the inet.0 table to the VPN-A.inet.0 table.**
- Correct. Interface routes (connected routes) are typically directly added to both the global and the VRF routing tables without needing a RIB group. These routes are known to the VRF because the interfaces are part of the VRF configuration.
- **C. You do not need to use the RIB group default route, which is learned through BGP, from the inet.0 table to the VPN-A.inet.0 table.**
- Incorrect. As discussed, the default route needs to be imported into the VRF's routing table using a RIB group to enable Internet access for the VRF.
- **D. You must use the RIB group to move interface routes from the inet.0 table to the VPN-A.inet.0 table.**
- Incorrect. Interface routes are directly associated with the VRF interfaces and are automatically known to the VRF routing table. There is no need to use a RIB group for these routes.
**Conclusion**:
The correct answers are:
**A. You must use the RIB group to move a default route, which is learned through BGP, from the inet.0 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.0 table to the VPN-A.inet.0 table.**
**Reference**:
- Juniper Networks Documentation on RIB Groups: [RIB Groups Overview](https://www.juniper.net/documentation/en_US/junos/topics/concept/rib-groups-overview.html)
- Junos OS VPNs Configuration Guide: [Junos VPNs Configuration](https://www.juniper.net/documentation/en_US/junos/topics/concept/vpns-overview.html)

NEW QUESTION # 35
Which statement is correct about IS-IS when it performs the Dijkstra algorithm?

A. The algorithm will stop processing once the tree database is empty.
B. When a new neighbor ID in the tree database matches a router ID in the LSDthe neighbor ID is moved to the candidate database.
C. The local router moves its own local tuples into the candidate database.
D. Tuples with the lowest cost are moved from the tree database to the LSDB.

Answer: A

NEW QUESTION # 36
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 10 1 2.0/24 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 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.
D. 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.

Answer: C,D

NEW QUESTION # 37
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 # 38
......

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