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The JN0-664 Exam consists of 65 multiple-choice questions and is administered over a 120-minute period. Candidates must score at least 65% to pass the exam. The questions are designed to test the candidate's knowledge and understanding of service provider routing technologies, as well as their ability to apply that knowledge in real-world scenarios.
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Juniper JN0-664 (Service Provider, Professional (JNCIP-SP)) Exam is designed to test the knowledge and skills of professionals working in the service provider industry. JN0-664 exam covers a range of topics related to Juniper Networks’ service provider technologies and solutions, including routing, switching, security, and troubleshooting.
Juniper Service Provider, Professional (JNCIP-SP) Sample Questions (Q88-Q93):
NEW QUESTION # 88
You are configuring a BGP signaled Layer 2 VPN across your MPLS enabled core network. In this scenario, which statement is correct?
Answer: A
Explanation:
Explanation
BGP signaled Layer 2 VPN is a type of VPN that uses BGP to distribute VPN labels and information for Layer 2 connectivity between sites over an MPLS network. BGP signaled Layer 2 VPN requires the support of the l2vpn NLRI on all core BGP devices . The l2vpn NLRI is a new address family that carries Layer 2 VPN information such as the VPN identifier, the attachment circuit identifier, and the route distinguisher. The l2vpn NLRI is used for both auto-discovery and signaling of Layer 2 VPNs . In this scenario, we are configuring a BGP signaled Layer 2 VPN across an MPLS enabled core network. Therefore, we need to ensure that all core BGP devices support the l2vpn NLRI.
References: 1:
https://www.juniper.net/documentation/us/en/software/junos/vpn-l2/topics/concept/vpn-layer-2-overview.html
2:
https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/mp_l2_vpns/configuration/xe-16/mp-l2-vpns-xe-16-book/vpl
NEW QUESTION # 89
Referring to the exhibit, which two statements are correct regarding the output shown in the exhibit? (Choose two.)
Answer: A,B
Explanation:
The group address is from SSM address block range (232.0.0.0 through 232.255.255.255).
NEW QUESTION # 90
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.)
Answer: A,C,D
NEW QUESTION # 91
Which statement is correct about IS-IS when it performs the Dijkstra algorithm?
Answer: B
Explanation:
Explanation
IS-IS is a link-state routing protocol that uses the Dijkstra algorithm to compute the shortest paths between nodes in a network. The Dijkstra algorithm maintains three data structures: a tree database, a candidate database, and a link-state database (LSDB). The tree database contains the nodes that have been visited and their shortest distances from the source node. The candidate database contains the nodes that have not been visited yet and their tentative distances from the source node. The LSDB contains the topology information of the network, such as the links and their costs.
The Dijkstra algorithm works as follows:
* The local router moves its own local tuples into the tree database. A tuple consists of a node ID, a distance, and a parent node ID. The local router's tuple has a distance of zero and no parent node.
* The local router moves its neighbors' tuples into the candidate database. The neighbors' tuples have distances equal to the costs of the links to them and parent node IDs equal to the local router's node ID.
* The local router selects the tuple with the lowest distance from the candidate database and moves it to the tree database. This tuple becomes the current node.
* The local router updates the distances of the current node's neighbors in the candidate database by adding the current node's distance to the link costs. If a shorter distance is found, the parent node ID is also updated.
* The algorithm repeats steps 3 and 4 until either the destination node is reached or the candidate database is empty.
NEW QUESTION # 92
Which two statements are correct regarding bootstrap messages that are forwarded within a PIM sparse mode domain? (Choose two.)
Answer: A,B
NEW QUESTION # 93
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