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Juniper JN0-351 Exam Overview:

Certification Vendor:Juniper Networks
Exam Name:Enterprise Routing and Switching, Specialist (JNCIS-ENT)
Exam Number:JN0-351
Certificate Validity Period:3 years
Available Languages:English
Real Exam Qty:65
Exam Price:$300 USD
Related Certifications:JNCIS-ENT
Exam Duration:90 minutes
Exam Format:Multiple-choice questions
Passing Score:Not specified (Pass/Fail status available immediately)
Sample Questions:Juniper JN0-351 Sample Questions
Exam Way:Pearson VUE testing centers (In-person)
Pre Condition:Recommended: JNCIA-Junos certification
Official Syllabus URL:https://www.juniper.net/us/en/training/certification/tracks/enterprise-routing-switching/jncis-ent.html

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Juniper JN0-351 Exam Syllabus Topics:

TopicDetails
Topic 1
  • Tunnels: The fundamentals of IP tunneling are emphasized, highlighting their requirements and functionalities. Mastery in configuring, monitoring, and troubleshooting tunnels equips professionals to meet the demands of the JN0-351 exam.
Topic 2
  • BGP: This topic focuses on the operational and conceptual elements of BGP, a cornerstone in enterprise networks.
Topic 3
  • IS-IS: Aspiring Juniper networking professionals enhance their understanding of IS-IS routing protocols. This topic equips candidates with the knowledge to configure and monitor IS-IS systems, addressing specific exam challenges and practical applications.
Topic 4
  • 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 5
  • OSPF: The concepts and operational details of OSPF are explored, providing tools for routing efficiency. Configuration and troubleshooting mastery ensure readiness for both the exam and complex enterprise environments.

Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT) Sample Questions (Q167-Q172):

NEW QUESTION # 167
Which two multicast IP addresses are used for link-state update packets? (Choose two.)

Answer: B,C


NEW QUESTION # 168
You are asked to create a new firewall filter to evaluate Layer 3 traffic that is being sent between VLANs. In this scenario, which two statements are correct? (Choose two.)

Answer: B,D

Explanation:
A firewall filter is a configuration that defines the rules that determine whether to forward or discard packets at specific processing points in the packet flow. A firewall filter can also modify the attributes of the packets, such as priority, marking, or logging. A firewall filter can be applied to various interfaces, protocols, or routing instances on a Juniper device. A firewall filter has a family attribute, which specifies the type of traffic that the filter can evaluate. The family attribute can be one of the following: inet, inet6, mpls, vpls, iso, or ethernet- switching. The family inet firewall filter is used to evaluate IPv4 traffic, which is the most common type of Layer 3 traffic on a network.
To create a family inet firewall filter, you need to specify the appropriate match criteria and actions for each term in the filter. The match criteria can include various fields in the IPv4 header, such as source address, destination address, protocol, port number, or DSCP value. The actions can include accept, discard, reject, count, log, policer, or next term. To apply a firewall filter to Layer 3 traffic that is being sent between VLANs, you need to apply the filter to the appropriate IRB interface. An IRB interface is an integrated routing and bridging interface that provides Layer
3 functionality for a VLAN on a Juniper device. An IRB interface has an IP address that acts as the default gateway for the hosts in the VLAN. An IRB interface can also participate in routing protocols and forward packets to other VLANs or networks.
Therefore, option C is correct, because you should create a family inet firewall filter with the appropriate match criteria and actions. Option D is correct, because you should apply the firewall filter to the appropriate IRB interface


NEW QUESTION # 169
Which statement correctly describes the function of root protection in Junos OS spanning tree implementations?

Answer: A

Explanation:
Root protection is applied to designated ports to enforce the expected root bridge position in the network. If a port configured with root protection receives a superior BPDU that would cause it to become a root port (thus changing the root bridge), the port is placed into a root-inconsistent state and blocked until the superior BPDUs stop being received.


NEW QUESTION # 170
What is the default keepalive time for BGP?

Answer: A

Explanation:
Explanation
The default keepalive time for BGP is 60 seconds1. The keepalive time is the interval at which BGP sends keepalive messages to maintain the connection with its peer1. If the keepalive message is not received within the hold time, the connection is considered lost1. By default, the hold time is three times the keepalive time, which is 180 seconds1.


NEW QUESTION # 171
How many bytes of overhead does an IP-IP tunnel add to a packet?

Answer: C


NEW QUESTION # 172
......

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