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Exam JN0-664 Material, JN0-664 Free Sample Questions

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Juniper JN0-664 certification exam is an excellent opportunity for service provider professionals to validate their skills and knowledge. Service Provider, Professional (JNCIP-SP) certification is highly sought after in the industry and can open up new career opportunities for certified professionals. Candidates who are preparing for JN0-664 Exam should have a strong foundation in networking fundamentals and service provider technologies.

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Quiz Juniper - JN0-664 –The Best Exam Material

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The JN0-664 Exam is a comprehensive assessment that covers a wide range of topics such as OSPF, IS-IS, BGP, MPLS, LDP, RSVP-TE, and more. Candidates are expected to have a deep understanding of the service provider network architecture, including core, edge, and access networks. They must also be familiar with advanced service provider technologies such as virtualization, automation, and software-defined networking.

Juniper Service Provider, Professional (JNCIP-SP) Sample Questions (Q92-Q97):

NEW QUESTION # 92
Exhibit

You must ensure that the VPN backbone is preferred over the back door intra-area link as long as the VPN is available. Referring to the exhibit, which action will accomplish this task?

A. Configure an import routing policy on the CE routers that rejects OSPF routes learned on the backup intra-area link.
B. Configure the OSPF metric on the backup intra-area link that is higher than the L3VPN link.
C. Create an OSPF sham link between the PE routers.
D. Enable OSPF traffic-engineering.

Answer: C

Explanation:
A sham link is a logical link between two PE routers that belong to the same OSPF area but are connected through an L3VPN. A sham link makes the PE routers appear as if they are directly connected, and prevents OSPF from preferring an intra-area back door link over the VPN backbone. To create a sham link, you need to configure the local and remote addresses of the PE routers under the [edit protocols ospf area area-id] hierarchy level1.

NEW QUESTION # 93
You are using a Layer 3 VPN to connect two customer sites. The VPN routes for the customer networks appear as hidden in the bgp. 13vpn. o routing table on the PE routers.
What is causing this problem?

A. There is not an established MPLS LSP between the two PE routers.
B. There is a routing loop in the service provider backbone.
C. The routes use overlapping IP addresses.
D. Route targets are not configured.

Answer: A

NEW QUESTION # 94
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. On R4, create a policy to change the BGP next hop to itself and apply it to IBGP as an export policy
B. Add the external interface prefix to the IGP routing tables
C. 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
D. Add the internal interface prefix to the BGP routing tables.

Answer: A,B

Explanation:
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.

NEW QUESTION # 95
You are configuring an interprovider Option C Layer 3 VPN to connect two customer sites.
Referring to the exhibit, which three statements are correct? (Choose three.)

A. P routers only maintain the internal routes from their own AS.
B. ASBR routers maintain the internal routes from its own AS, the loopback address from the other AS PEs, and the L3VPN routes.
C. PE routers maintain the internal routes from its own AS, the loopback address from the other AS Pes, and the L3VPN routes.
D. ASBR routers maintain the internal routes from its own AS and the loopback addresses from the other AS PEs.
E. P routers maintain the internal routes from its own AS and the loopback address from the other AS PEs.

Answer: A,C,D

NEW QUESTION # 96
Exhibit

You are running a service provider network and must transport a customer's IPv6 traffic across your IPv4-based MPLS network using BGP You have already configured mpis ipv6-tunneling on your PE routers.
Which two statements are correct about the BGP configuration in this scenario? (Choose two.)

A. You must configure family inet6 unicast between PE and CE routers.
B. You must configure family inet6 add-path between PE and CE routers.
C. You must configure family inet6 unicast between PE routers.
D. You must configure family inet6 labeled-unicast between PE routers.

Answer: A,D

Explanation:
To transport IPv6 traffic over an IPv4-based MPLS network using BGP, you need to configure two address families: family inet6 labeled-unicast and family inet6 unicast. The former is used to exchange IPv6 routes with MPLS labels between PE routers, and the latter is used to exchange IPv6 routes without labels between PE and CE routers. The mpis ipv6-tunneling command enables the PE routers to encapsulate the IPv6 packets with an MPLS label stack and an IPv4 header before sending them over the MPLS network.

NEW QUESTION # 97
......

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