- Exam Code: JN0-1331
- Exam Name: Security Design, Specialist (JNCDS-SEC)
- Updated: Aug 26, 2026
- Q & A: 66 Questions and Answers
PDF, desktop test engine, or online test engine — Actual4Dumps lets you prepare for the Juniper Security Design, Specialist (JNCDS-SEC) whichever way fits your routine. All three formats cover the same 66 practice questions written for the 2026 JN0-1331 syllabus.
| Certification Vendor: | Juniper Networks |
|---|---|
| Exam Name: | Security Design, Specialist (JNCDS-SEC) |
| Exam Number: | JN0-1331 |
| Exam Duration: | 90 minutes |
| Real Exam Qty: | 65 |
| Available Languages: | English |
| Related Certifications: | JNCDA JNCDS-SP JNCDS-DC |
| Exam Format: | Multiple-select, Scenario-based, Multiple-choice |
| Passing Score: | Not publicly disclosed |
| Exam Price: | Approx. $300 USD |
| Certificate Validity Period: | 3 years |
| Recommended Training: | Juniper Security Design Training |
| Exam Registration: | Pearson VUE Registration |
| Sample Questions: | ![]() |
| Exam Way: | Written exam, delivered at Pearson VUE test centers or online proctored |
| Pre Condition: | JNCDA certification or equivalent design experience recommended |
| Official Syllabus URL: | https://www.juniper.net/us/en/training/certification/tracks/design/jncds-sec.html |
| Section | Weight | Objectives |
|---|---|---|
| Fundamental Security Concepts | 25% | - Access control and authentication - Security policies and segmentation - Encryption and secure communications - Threat types and mitigation |
| Juniper Security Platforms & Solutions | 20% | - SRX Series firewalls - vSRX virtual firewalls - Juniper ATP/ATP Cloud - Contrail Security |
| Design Validation & Best Practices | 10% | - Performance and capacity planning - Operational considerations - Design documentation and justification |
| Security Design Principles and Frameworks | 20% | - Scalability, reliability, and resiliency - Risk and compliance requirements - Zero trust architecture - Defense-in-depth strategy |
| Advanced Security Concepts | 25% | - Edge and perimeter security design - Virtualization and cloud security - Data center security architecture - High availability for security solutions |
The Juniper Security Design, Specialist (JNCDS-SEC) is the official Juniper exam that leads to the Juniper Networks Certified Design Specialist - Security (JNCDS-SEC) certification at the Specialist level. Passing it validates your skills against Juniper standards and proves your qualification to current and future employers. The credential is also connected with related certifications such as JNCDA, JNCDS-DC, JNCDS-SP, so it can serve as a solid step in a broader certification path.
The JN0-1331 exam has 65 questions in total and must be completed within 90 minutes. That leaves only a narrow time budget per item, so train yourself to flag a difficult question, move on, and circle back later instead of getting stuck. A week or two before your test date, run at least one full timed mock exam in the Actual4Dumps desktop or online test engine under the same 90 minutes limit, and repeat until you can finish with a few minutes left for review.
The passing score for the JN0-1331 exam is Not publicly disclosed, and the official registration fee is Approx. $300 USD. Keep in mind that a failed attempt is not discounted — retaking the exam means paying the full fee again — so it is wise not to book your seat until your practice scores sit comfortably above the passing mark. Working through the 66 questions at Actual4Dumps in timed mode is a reliable way to judge when you are truly ready.
Juniper sets the following requirement for the JN0-1331 exam: JNCDA certification or equivalent design experience recommended. Eligibility rules can change from time to time, so always confirm the current prerequisites on the official exam page at https://www.juniper.net/us/en/training/certification/tracks/design/jncds-sec.html before you register.
You can register for the Juniper Security Design, Specialist (JNCDS-SEC) through the following official channels:
The JN0-1331 exam is delivered as Written exam, delivered at Pearson VUE test centers or online proctored, so review the technical and check-in requirements for that format when you schedule your appointment.
Juniper recommends the following official training options for the Juniper Security Design, Specialist (JNCDS-SEC):
Official courses build the theory, and pairing them with the 66 practice questions from Actual4Dumps turns that knowledge into exam-ready answers.
Yes. Actual4Dumps offers a free PDF demo for the Juniper Security Design, Specialist (JNCDS-SEC), so you can review real sample questions and judge the quality before paying anything. After your purchase, you receive 365 days of free updates — whenever the question pool changes, you get the latest version at no cost. Once that period expires, you can extend your update service at a 50% discount from your member zone.
If you take the JN0-1331 exam within 60 days of your purchase and do not pass, you can apply for a full refund under our 100% Money Back Guarantee. To qualify, submit a scanned copy of your exam enrollment slip together with your official Score Report (PDF) within 2 days after the exam date, and your claim will be processed within 7 days. Note that the guarantee applies only to the corresponding exam: attempts taken within 3 days of purchase, downloaded-but-unused materials, free resources, and expired orders are not eligible, and the candidate name must match the purchaser name. If you would rather not refund, you can exchange the product for two free exam products of equal value while keeping the update service on your original purchase.
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The Juniper Security Design, Specialist (JNCDS-SEC) is organized into 5 domains. Among the first ones are Juniper Security Platforms & Solutions (20%), Design Validation & Best Practices (10%), Advanced Security Concepts (25%), and the remaining domains cover the rest of the official objectives. For the complete topic breakdown with every subtopic, see the full JN0-1331 exam outline above on this page.
Question 1
You are asked to install a mechanism to protect an ISP network from denial-of-service attacks from a small number of sources.
Which mechanism will satisfy this requirement?
A. RTBH
B. UTM
C. GeoIP
D. Sky ATP
Question 2
Your company has 500 branch sites and the CIO is concerned about minimizing the potential impact of a VPN router being stolen from an enterprise branch site. You want the ability to quickly disable a stolen VPN router while minimizing administrative overhead.
Which solution accomplishes this task?
A. Use firewall filters to block traffic from the stolen VPN router
B. Rotate VPN pre-shared keys every month
C. Implement a certificate-based VPN using a public key infrastructure (PKI)
D. Modify your IKE proposals to use Diffie-Hellman group 14 or higher
Question 3
You are designing a network management solution that provides automation for Junos devices. Your customer wants to know which solutions would require additional software to be deployed to existing Junos devices.
Which two solutions satisfy this scenario? (Choose two.)
A. Puppet
B. Ansible
C. Chef
D. SaltStack
Question 4
You are designing an enterprise WAN network that must connect multiple sites. You must provide a design proposal for the security elements needed to encrypt traffic between the remote sites. Which feature will secure the traffic?
A. OSPF
B. BFD
C. GRE
D. IPsec
Question 5
You are creating a security design proposal for a customer who is connecting their headquarters to a remote branch site over an unsecured Internet connection. As part of your design, you must recommend a solution to connect these sites together and ensure that the communication is secured and encrypted.
In this scenario, which solution do you recommend?
A. MPLS
B. XMPP
C. GRE
D. IPsec
Solutions:
| Question 1 Answer: A | Question 2 Answer: A | Question 3 Answer: C,D | Question 4 Answer: D | Question 5 Answer: D |
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