2026 JN0-351: Accurate Valid Enterprise Routing and Switching, Specialist (JNCIS-ENT) Test Labs

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The Enterprise Routing and Switching, Specialist (JNCIS-ENT) (JN0-351) certification exam is one of the top-rated and career-oriented certificates that are designed to validate an Juniper professional's skills and knowledge level. These Enterprise Routing and Switching, Specialist (JNCIS-ENT) (JN0-351) practice questions have been inspiring those who want to prove their expertise with the industrial-recognized credential. By cracking it you can gain several personal and professional benefits.

Juniper JN0-351 Exam Syllabus Topics:

TopicDetails
Topic 1
  • Spanning Tree: Networking professionals explore the principles and advantages of the Spanning Tree Protocol (STP) to ensure loop-free topologies in Layer 2 networks.
Topic 2
  • BGP: This topic focuses on the operational and conceptual elements of BGP, a cornerstone in enterprise networks.
Topic 3
  • Layer 2 Security: This topic introduces Layer 2 protection mechanisms and firewall filters to fortify network security. Practical skills in configuring, monitoring, and troubleshooting these features prepare candidates to address exam objectives and real-world challenges effectively.
Topic 4
  • High Availability: This topic covers the importance and application of high availability within Junos OS environments. Knowledge in configuring and managing these components is critical for ensuring robust and uninterrupted network operations, aligning with exam expectations.

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JN0-351 Exams Training - New JN0-351 Test Vce

The Juniper JN0-351 certification exam is one of the top rated career advancement certification exams in the market. This Enterprise Routing and Switching, Specialist (JNCIS-ENT) (JN0-351) exam is designed to prove candidates' skills and knowledge levels. By doing this the Juniper JN0-351 certificate holders can gain multiple personal and professional benefits. These benefits assist the JN0-351 Exam holder to pursue a rewarding career in the highly competitive market and achieve their career objectives in a short time period.

Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT) Sample Questions (Q119-Q124):

NEW QUESTION # 119
A new network requires multiple topology support. You decide to use IS-IS in this situation. Which three protocol topologies are supported in this scenario? (Choose three.)

Answer: B,C,E

Explanation:
Explanation
IS-IS (Intermediate System to Intermediate System) is a routing protocol that is designed to move information efficiently within a computer network12. It supports multiple protocol topologies, including IPv4, IPv6, and multicast12. Therefore, options C, E, and D are correct.


NEW QUESTION # 120
Exhibit

Your ISP is announcing a default route to both R1 and R2. You want your network routers to forward all Internet traffic through the R1 device Which BGP attribute would you use?

Answer: B

Explanation:
The BGP attribute that you would use to forward all Internet traffic through the R1 device is the local preference 1 .
The local preference is an attribute that is used within an autonomous system (AS) and exchanged between iBGP routers 1 . It is used to select an exit point from the AS 1 . The path with the highest local preference is preferred 1 . By setting a higher local preference for the routes received from R1, you can make R1 the preferred exit point for all Internet traffic 1 .


NEW QUESTION # 121
You are concerned about spoofed MAC addresses on your LAN.
Which two Layer 2 security features should you enable to minimize this concern? (Choose two.)

Answer: B,D

Explanation:
* A is correct because dynamic ARP inspection (DAI) is a Layer 2 security feature that prevents ARP spoofing attacks. ARP spoofing is a technique that allows an attacker to send fake ARP messages to associate a spoofed MAC address with a legitimate IP address. This can result in traffic redirection, man-in-the-middle attacks, or denial-of-service attacks. DAI validates ARP packets by checking the source MAC address and IP address against a trusted database, which is usually built by DHCP snooping 1 . DAI discards any ARP packets that do not match the database or have invalid formats 1 .
* C is correct because DHCP snooping is a Layer 2 security feature that prevents DHCP spoofing attacks. DHCP spoofing is a technique that allows an attacker to act as a rogue DHCP server and offer fake IP addresses and other network parameters to unsuspecting clients. This can result in traffic redirection, man-in-the-middle attacks, or denial-of-service attacks. DHCP snooping filters DHCP messages by classifying switch ports as trusted or untrusted. Trusted ports are allowed to send and receive any DHCP messages, while untrusted ports are allowed to send only DHCP requests and receive only valid DHCP replies from trusted ports 2 . DHCP snooping also builds a database of MAC addresses, IP addresses, lease times, and binding types for each client 2 .


NEW QUESTION # 122
You are using tunnels in your network. It is important that the routes be specific enough to ensure that the tunnels are established. You need to prevent a route that is new to the network from being used.
In this scenario, which type of route should be used?

Answer: A


NEW QUESTION # 123
You have configured OSPF routing as shown in the exhibit. You notice that all interfaces have formed full adjacencies, with the exception of the interfaces connecting R3 and R4 with a status of 2Way.

What is the reason for this status?

Answer: C


NEW QUESTION # 124
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