Juniper Junos Security JN0-635

The Juniper Security, Professional (JNCIP-SEC) exam has a reputation for breadth, and many candidates underestimate how much ground it covers. Getcertkey closes those gaps with 173 practice questions that reflect the style and difficulty you can expect in 2026.

Juniper JN0-635 Exam Overview:

Certification Vendor:	Juniper Networks
Exam Name:	Juniper Security, Professional (JNCIP-SEC) Written Exam
Exam Number:	JN0-635
Certificate Validity Period:	3 years
Real Exam Qty:	65
Related Certifications:	JNCIA-SEC JNCIE-SEC JNCIS-SEC
Exam Format:	Scenario-based questions, Multi-select, Multiple choice
Exam Duration:	120 minutes
Exam Price:	$300 USD
Available Languages:	English
Passing Score:	Variable (not publicly disclosed, scale 100–300)
Recommended Training:	Juniper Security Professional Open Learning Advanced Juniper Security
Exam Registration:	Pearson VUE Registration Juniper Certification Portal
Sample Questions:
Exam Way:	Proctored exam at Pearson VUE test centers or online proctoring
Pre Condition:	Active JNCIS-SEC certification recommended; strong hands-on experience with SRX Series devices and Junos OS
Official Syllabus URL:	https://www.juniper.net/us/en/training/certification/tracks/security/jncip-sec.html

Juniper JN0-635 Exam Syllabus Topics:

Common Questions About the Juniper JN0-635 Exam

What is the Juniper Security, Professional (JNCIP-SEC) exam all about?

The JN0-635 exam is the official Juniper Networks exam behind the Security, Professional (JNCIP-SEC) certification, validating the skills measured by the Juniper Security, Professional (JNCIP-SEC) credential. It sits at the Professional level of the Juniper Networks certification program. It also connects to JNCIA-SEC, JNCIS-SEC, JNCIE-SEC, so the knowledge you build here carries over to those tracks as well.

How many questions are on the JN0-635 exam, and how much time do I get?

The JN0-635 exam contains 65 questions to be completed within 120 minutes. Before exam day, divide the available time by the question count to work out a comfortable per-question pace, and mark any item that eats into it so you can return later instead of getting stuck. Timed sessions in the Getcertkey test engines make that pacing automatic — run at least two full-length mock exams under the clock so time pressure never becomes the reason you drop points.

What score do I need to pass the JN0-635 exam, and what does it cost?

The passing score for the JN0-635 exam is Variable (not publicly disclosed, scale 100–300), and the official registration fee is $300 USD. Retakes are not discounted — every new attempt means paying the full fee again — so it pays to measure yourself before you book. Work through the 173 practice questions on Getcertkey, sit a timed practice test, and schedule your exam only when your scores are consistently comfortable. That simple habit is the cheapest exam strategy there is.

Are there any prerequisites for the JN0-635 exam?

Active JNCIS-SEC certification recommended; strong hands-on experience with SRX Series devices and Junos OS Requirements can change when Juniper Networks revises its certification program, so confirm the current eligibility rules on the official exam page before you register.

How do I register for the JN0-635 exam?

You can book the Juniper Security, Professional (JNCIP-SEC) exam through the official registration channels below:

• Pearson VUE Registration
• Juniper Certification Portal

As for delivery, the exam is offered in the following format: Proctored exam at Pearson VUE test centers or online proctoring. Choose the option that suits you best when you book your seat.

What official training is recommended for the JN0-635 exam?

Juniper Networks recommends the following training resources for the Juniper Security, Professional (JNCIP-SEC) exam:

• Advanced Juniper Security
• Juniper Security Professional Open Learning

Official courses build the foundation; the 173 practice questions from Getcertkey then show you how that knowledge is examined, so the two work best together.

Can I try the JN0-635 practice questions before I buy?

Yes. Getcertkey provides a free JN0-635 PDF demo so you can review the question style and answer quality before purchasing. Every purchase also includes 365 days of free updates — if Juniper revises the exam during that period, the updated material reaches you at no cost. Once the free-update year ends, you can extend your update service at a 50% discount.

What if I fail the JN0-635 exam, and how is my order delivered?

Every Juniper Security, Professional (JNCIP-SEC) purchase on Getcertkey is covered by a 100% money-back guarantee with clear conditions: if you take the corresponding exam within 60 days of your purchase and do not pass, you can claim a full refund by submitting a scanned copy of your exam enrollment slip and your official score report as a PDF within two days of the exam date; claims are processed within seven days of submission. The guarantee does not apply to exams taken within three days of purchase, to material that was downloaded but never used in an exam attempt, or to free products and expired orders, and the candidate name must match the payer name. If you would rather not take a refund, you can instead exchange your purchase for two free exam preparation products of equal value and keep the update service on your original product.

Delivery is instant: your download is sent to your email within one minute of payment, with no limit on how many computers you may install the material on. If nothing arrives within two hours, check your spam folder and contact customer service for help.

What topics are covered in the JN0-635 exam?

The Juniper Security, Professional (JNCIP-SEC) exam blueprint is organized into 7 domains. The first three are:

• High Availability (HA) and Chassis Clustering — 15% of the exam
• Advanced Network Address Translation (NAT) — 15% of the exam
• IPsec VPNs — 15% of the exam

For the complete domain-by-domain breakdown, scroll up to the full exam topics outline above and use it to plan how you distribute your study time.

Juniper Security, Professional (JNCIP-SEC) Sample Questions:

Question 1

Click the Exhibit button.

You are asked to look at a configuration that is designed to take all traffic with a specific source IP address and forward the traffic to a traffic analysis server for further evaluation. The configuration is not working as intended.
Referring to the exhibit, which change must be made to correct the configuration?

A. Apply the filter as an input filter on interface xe-0/2/1.0
B. Apply the filter as an input filter on interface xe-0/0/1.0
C. Apply the filter as an output filter on interface xe-0/1/0.0
D. Create a routing instance named default

Question 2

You are asked to look at a configuration that is designed to take all traffic with a specific source ip address and forward the traffic to a traffic analysis server for further evaluation.
The configuration is no longer working as intended.
Referring to the exhibit which change must be made to correct the configuration?

A. Apply the filter as in output filter on interface xe-0/1/0.0
B. Apply the filter as in input filter on interface xe-0/0/1.0
C. Apply the filter as in input filter on interface xe-0/2/1.0
D. Create a routing instance named default

Question 3

Which three type of peer devices are supported for Cos-Based IPsec VPN?

A. High-end SRX Series device
B. vSRX
C. cSRX
D. Branch-end SRX Series devics

Question 4

Click the Exhibit button.

Referring to the exhibit, you are attempting to enable IPsec power mode to improve IPsec VPN performance. However, you are unable to use IPsec power mode.
What is the problem?

A. IPsec power mode cannot be used with advanced services
B. IPsec power mode requires that you configure a policy-based VPN
C. IPsec power mode cannot be used with IPsec performance acceleration
D. IPsec power mode cannot be used with high IPsec maximum segment size values

Question 5

Referring to the exhibit, the host has been automatically blocked from communicating on the network because a malicious file was downloaded.

You cleaned the infected host and changed the investigation status to Resolved-Fixed.
What does Sky ATP do if the host then attempts to download a malicious file that would result in a threat score of 10?

A. Sky ATP logs the connection attempt and an SRX Series device does not allow the host to communicate on the network.
B. Sky ATP does not log the connection attempt and an SRX Series device allows the host to communicate on the network.
C. Sky ATP does not log the connection attempt and an SRX Series device does not allow the host to communicate on the network.
D. Sky ATP logs the connection attempt and an SRX Series device allows the host to communicate on the network.

Solutions: