Juniper JN0-637 Exam With Confidence Using Practice Dumps

Exam Code:

JN0-637

Exam Name:

Security, Professional (JNCIP-SEC)

Certification:

JNCIP-SEC

Vendor:

Juniper

Questions:

115

Last Updated:

Feb 15, 2026

Exam Status:

Stable

JN0-637: JNCIP-SEC Exam 2025 Study Guide Pdf and Test Engine

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Security, Professional (JNCIP-SEC) Questions and Answers

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Question 1

Which three statements about persistent NAT are correct? (Choose Three)

Options:

New sessions can only be initiated from a source towards the reflexive address.

New sessions can be initiated from a destination towards the reflexive address.

Persistent NAT only applies to source NAT.

All requests from an internal address are mapped to the same reflexive address.

Persistent NAT applies to both destination and source NAT.

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Question 2

What are three configurable monitor components for a service redundancy group? (Choose two)

Options:

Interface

BFD

hardware alarm

ARP

Question 3

You are asked to set up advanced policy-based routing.

Which type of routing instance is designed to support this scenario?

Options:

forwarding

virtual switch

virtual router

non-forwarding

Answer:

Explanation:

Comprehensive Detailed Step-by-Step Explanation with All Juniper Security References

Understanding Advanced Policy-Based Routing (APBR):

APBR: Allows routing decisions based on application-level information and policies.

Objective: Direct specific application traffic through different paths based on policies.

Routing Instances in Junos OS:

Forwarding Instance:

Used for features like filter-based forwarding (FBF) and APBR.

Provides a separate forwarding table but shares the global routing table.

Supports APBR.

Virtual Router:

Provides a separate routing table and forwarding table.

Used for logical separation of routing domains.

Does not support APBR directly.

Virtual Switch:

Operates at Layer 2.

Used for VLAN separation and Layer 2 switching.

Not applicable to routing or APBR.

Non-Forwarding Instance:

Used for management purposes.

Does not forward transit traffic.

Not suitable for APBR.

Option A: forwarding

Correct.

A forwarding routing instance is specifically designed to support advanced policy-based routing.

It allows the SRX device to direct traffic based on policies to different forwarding instances.

[Reference:, Juniper Networks Documentation:, "To configure advanced policy-based routing, you must create a forwarding-type routing instance.", Source: Configuring Advanced Policy-Based Routing, Why Other Options Are Incorrect:, Option B: virtual switch, Incorrect., Virtual switch instances are for Layer 2 switching and VLAN separation., They do not support routing or APBR., Option C: virtual router, Incorrect., Virtual router instances are used for isolating routing tables., While they support routing, they are not designed for APBR., Option D: non-forwarding, Incorrect., Non-forwarding instances do not handle transit traffic., They are used for management routing tables and cannot be used for APBR., Conclusion:, Correct Answer: A. forwarding, Rationale:, A forwarding routing instance is the appropriate type to support advanced policy-based routing., ]

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Juniper JN0-637 Exam With Confidence Using Practice Dumps

JN0-637: JNCIP-SEC Exam 2025 Study Guide Pdf and Test Engine

Related Juniper Exams

Security, Professional (JNCIP-SEC) Questions and Answers

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