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Most Recent Juniper JN0-351 Exam Dumps

 

Prepare for the Juniper Enterprise Routing and Switching, Specialist exam with our extensive collection of questions and answers. These practice Q&A are updated according to the latest syllabus, providing you with the tools needed to review and test your knowledge.

QA4Exam focus on the latest syllabus and exam objectives, our practice Q&A are designed to help you identify key topics and solidify your understanding. By focusing on the core curriculum, These Questions & Answers helps you cover all the essential topics, ensuring you're well-prepared for every section of the exam. Each question comes with a detailed explanation, offering valuable insights and helping you to learn from your mistakes. Whether you're looking to assess your progress or dive deeper into complex topics, our updated Q&A will provide the support you need to confidently approach the Juniper JN0-351 exam and achieve success.

The questions for JN0-351 were last updated on May 2, 2025.
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Question No. 1

You are troubleshooting a BGP routing issue between your network and a customer router and are reviewing the BGP routing policies. Which two statements are correct in this scenario? (Choose two.)

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Correct Answer: C, D

In BGP, routing policies are used to control the flow of routing information between BGP peers1.

Option C suggests that import policies are applied after the RIB-In table.This is correct because import policies in BGP are applied to routes that are received from a BGP peer, before they are installed in the local BGP Routing Information Base (RIB-In)1.The RIB-In is a database that stores all the routes that are received from all peers1.

Option D suggests that export policies are applied after the RIB-Local table.This is correct because export policies in BGP are applied to routes that are being advertised to a BGP peer, after they have been selected from the local BGP Routing Information Base (RIB-Local)1.The RIB-Local is a database that stores all the routes that the local router is using1.

Therefore, options C and D are correct.


Question No. 2

Which two statements about redundant trunk groups on EX Series switches are correct? (Choose two.)

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Correct Answer: B, D

Redundant Trunk Groups (RTGs) on EX Series switches provide a simple solution for network recovery when a trunk port on a switch goes down1.They are configured on the access switch and contain two links: a primary or active link, and a secondary link1.Therefore, option B is correct because if the active link fails, the secondary link automatically starts forwarding data traffic without waiting for normal spanning-tree protocol convergence1.

Option D is also correct.In a typical enterprise network composed of distribution and access layers, RTGs are used where one Access switch is connected to two different uplink switches2.This implies that RTGs must be connected to the same aggregation switch2.


Question No. 3

Which two statements are correct about generated routes? (Choose two.)

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Correct Answer: A, B

Ais correct because generated routes require a contributing route.A contributing route is a route that matches the destination prefix of the generated route and has a valid next hop1.A generated route is only installed in the routing table if there is at least one contributing route available2. This ensures that the generated route is reachable and useful.If there is no contributing route, the generated route is not added to the routing table2.

Bis correct because generated routes show a next hop in the routing table.A generated route inherits the next hop of its primary contributing route, which is the most preferred route among all the contributing routes2.The next hop of the generated route can be either an IP address or an interface name, depending on the type of the contributing route2.The next hop of the generated route can also be modified by a routing policy3.


Question No. 4

Exhibit.

You are using OSPF to advertise the subnets that are used by the Denver and Dallas offices. The routers that are directly connected to the Dallas and Denver subnets are not advertising the connected subnets.

Referring to the exhibit, which two statements are correct? (Choose two.)

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Correct Answer: C, D

The routers that are directly connected to the Dallas and Denver subnets are not advertising the connected subnets.This can be resolved by redistributing the connected subnets into OSPF1.

Option C suggests to configure and apply a routing policy that redistributes the connected Dallas and Denver subnets.This is correct because redistribution allows routes from one routing protocol to be communicated to another, and in this case, it allows the connected subnets to be advertised through OSPF1.

Option D suggests enabling the passive option on the OSPF interfaces that are connected to the Dallas and Denver subnets.This is also correct because in OSPF, a passive interface is an interface that belongs to the OSPF router, but does not send OSPF Hello packets1.It's typically used on an interface that you don't want to use for OSPF adjacencies, but you still want to advertise its IP address1. Therefore, enabling passive interface can help in advertising the Dallas and Denver subnets.


Question No. 5

Which two statements about redundant trunk groups on EX Series switches are correct? (Choose two.)

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Correct Answer: C, D

Cis correct because Layer 2 control traffic is permitted on the secondary link of a redundant trunk group (RTG) on EX Series switches.Layer 2 control traffic includes protocols such as LLDP, LACP, and STP, which are used to exchange information and coordinate actions between switches1.According to the Juniper Networks documentation2, Layer 2 control traffic is allowed to pass through both the active and the secondary links of an RTG, but data traffic is only forwarded through the active link. This allows the switches to maintain their Layer 2 adjacencies and monitor the link status on both links.

Dis correct because if the active link fails, then the secondary link automatically takes over in an RTG on EX Series switches.An RTG consists of two trunk links: an active or primary link, and a secondary or backup link2. The active link is used to forward data traffic, while the secondary link is in standby mode.If the active link fails or becomes unavailable, the secondary link immediately transitions to a forwarding state and takes over the data traffic without waiting for normal STP convergence2. This provides fast recovery and redundancy for the network.


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