JNCIS-SEC (Juniper JNCIS-SEC (Security Specialist)) — Free Online Mock Test
JN0-335 · ~65 Q in 90m. Advanced SRX — security policies, NAT, IPsec, application security, UTM, ATP & high availability. · Official language: English.
JNCIS-SEC exam at a glance
JNCIS-SEC key facts & eligibility
| Conducting body | Juniper Networks (delivered via Pearson VUE) |
|---|---|
| Official website | juniper.net ↗ |
| Mode | The Juniper Networks Certified Specialist Security (JNCIS-SEC) — a specialist-level certification validating intermediate Junos OS security knowledge on SRX Series devices, including security policies, VPNs, IPS and threat prevention, with configuration and troubleshooting. The current exam code is JN0-336. |
| Frequency | Offered year-round by appointment at Pearson VUE, online-proctored or at a test centre. |
| Scoring & marking | The exam (JN0-336) has 65 multiple-choice questions in 90 minutes. Juniper reports the result as pass/fail and does not publish a fixed passing percentage. |
| Score validity | The certification is valid for 3 years. |
| Language | English. |
Who is eligible for JNCIS-SEC?
Requires the JNCIA-Junos certification as an in-track prerequisite.
Last verified July 2026 against Juniper — JNCIS-SEC (JN0-336). Always confirm current details on the official website before you register.
JNCIS-SEC section breakdown
The JNCIS-SEC mock test on Wrexa Edge replicates the real exam's section structure — same names, same question count per section, same time limits. No inter-section breaks — the timer runs continuously.
-
JNCIS-SEC (55 Q)
JNCIS-SEC scoring & marking scheme
Strategy: JNCIS-SEC has no negative marking. Attempt every question — blank answers cost you potential marks but cannot pull your score down.
Scale: JNCIS-SEC (pass 700/1000).
How JNCIS-SEC is conducted
- Mode
- Test format
- Backtracking
- Mark for review
JNCIS-SEC time strategy
With 55 questions in 90 minutes, you have about 98 seconds per question on average. Successful candidates aim for the following pacing on each section:
- JNCIS-SEC (55 Q)
Wrexa Edge's analytics show your actual time-per-question after every mock so you can spot which sections you're losing time on.
JNCIS-SEC topics covered
Across the 50 Wrexa Edge variants of JNCIS-SEC, the following topics appear most often (sample distribution from one variant):
JNCIS-SEC (55 Q)
- JNCIA — Configuration · 8
- JNCIA — Routing · 7
- D2 — Social attacks · 6
- D2 — Malware · 6
- JNCIA — CLI · 4
- JNCIA — Firewall Filters · 3
- D1 — Cryptography · 3
- D2 — Network attacks · 3
JNCIS-SEC difficulty calibration
Advanced tier. Advanced-level: high-stakes exam with rigorous content depth. Expect 4-8 months of structured prep.
JN0-335 · ~65 Q in 90m. Advanced SRX — security policies, NAT, IPsec, application security, UTM, ATP & high availability. · Official language: English.
Verified content — Wrexa Edge's JNCIS-SEC bank has been deeply curated with real exam-aligned content (estimated 100% syllabus coverage).
How Wrexa Edge prepares you for JNCIS-SEC
- Real test-day interface
- 50 distinct variants
- Detailed analytics
- Spaced repetition (Notebook)
- Optional proctoring
- Free to start
Expert take: what JNCIS-SEC really tests
The Juniper Networks Certified Specialist Security (JNCIS-SEC), from Juniper, is a specialist-level certification validating intermediate Junos OS security on SRX Series devices — security policies, VPNs, IPS and threat prevention. The current exam (JN0-336, which replaced JN0-335) has 65 multiple-choice questions in 90 minutes, delivered via Pearson VUE and reported pass/fail. It requires the JNCIA-Junos certification first, and is valid for 3 years.
Preparation tips
- Get hands-on with SRX security policies, NAT and IPsec VPNs.
- Hold the JNCIA-Junos certification before attempting it.
- Study to the current JN0-336 blueprint.
⚠️ Common mistakes to avoid
- Preparing from JN0-335 material — it was replaced by JN0-336.
- Attempting it without the JNCIA-Junos prerequisite.
JNCIS-SEC study plan
A phase-by-phase roadmap from your first concept to test-ready. Stretch or compress each phase to fit the time you have before your attempt.
- Security zones and policies
- NAT
- Junos security basics
- IPsec VPNs
- IPS and threat prevention
- Troubleshooting
- SRX hands-on labs
- JN0-336 practice
- Hold JNCIA-Junos first
Where JNCIS-SEC can take you
A strong JNCIS-SEC result opens up these careers and higher-study paths:
- Network security specialist
- Specialist-tier Juniper
Best books & official prep for JNCIS-SEC
- Juniper JNCIS-SEC study resources — Juniper Networks
- Junos security (SRX) labs — Various
Official practice: Study the Juniper JNCIS-SEC objectives — security policies, VPNs, IPS and threat prevention on SRX — with hands-on practice; hold JNCIA-Junos first.
Previous-year papers: Juniper publishes the exam objectives; providers supply practice questions and labs.
Frequently asked questions
- What is the JNCIS-SEC exam pattern?
- Juniper JNCIS-SEC (Security Specialist) contains 55 questions across 1 section: JNCIS-SEC (55 Q). Total duration is 90 minutes (about 98 seconds per question).
- Does JNCIS-SEC have negative marking?
- No — JNCIS-SEC has no negative marking. Each correct answer is worth 1 mark, so attempt every question.
- How is JNCIS-SEC scored?
- Scaled score range: 100 to 1000. JNCIS-SEC (pass 700/1000).
- How can I practise JNCIS-SEC online for free?
- Wrexa Edge gives you 10 free full-length JNCIS-SEC mock tests — with instant scoring, detailed explanations and analytics — plus 40 more with Pro. Start practising in under a minute, no card required.
- What is the difficulty level of JNCIS-SEC?
- JNCIS-SEC is rated Advanced difficulty on Wrexa Edge. Advanced-level: high-stakes exam with rigorous content depth. Expect 4-8 months of structured prep. JN0-335 · ~65 Q in 90m. Advanced SRX — security policies, NAT, IPsec, application security, UTM, ATP & high availability. · Official language: English.
- How long is the JNCIS-SEC exam?
- JNCIS-SEC runs for 90 minutes total. On Wrexa Edge the timer is enforced exactly as on the real exam — including no inter-section breaks.
- What topics are covered in JNCIS-SEC?
- JNCIS-SEC is split into: JNCIS-SEC (55 Q). Each section is timed and weighted separately. JN0-335 · ~65 Q in 90m. Advanced SRX — security policies, NAT, IPsec, application security, UTM, ATP & high availability. · Official language: English.
- What tools or aids are allowed during JNCIS-SEC?
- No special tools are required. Note: real exam is proctored — Wrexa Edge mirrors this with a webcam-based proctoring flow you can enable.
- Is the JNCIS-SEC test adaptive?
- No — JNCIS-SEC is a fixed-form (linear) test. Every candidate sees the same number of questions per section.
- How many JNCIS-SEC mock tests does Wrexa Edge offer?
- Wrexa Edge generates 50 distinct JNCIS-SEC variants — each with different question content, not just shuffled options — the first 10 free for everyone and 40 more with Pro. That's 2750 unique practice questions in the real test-day interface.
- Is there a free JNCIS-SEC test series 2026?
- Yes. The Wrexa Edge JNCIS-SEC test series for 2026 gives you 10 free full-length mock tests (50 in total) plus subject-wise and topic-wise tests — instant scoring and detailed analysis, no card required.
- Are JNCIS-SEC previous year question–style papers included?
- Every JNCIS-SEC mock is modelled on the official exam pattern and the style of previous years' papers — the same 55-question structure, sections and marking — so your practice mirrors the real paper you'll sit.
- Which is the best free JNCIS-SEC mock test online?
- Wrexa Edge's JNCIS-SEC mock test replicates the real exam interface, timing and marking scheme, with instant score, section-wise analysis and 50 fresh variants — a strong free choice for 2026 preparation.
- Can I take the JNCIS-SEC mock test on mobile?
- Yes. JNCIS-SEC mock tests run in any browser on mobile, tablet or desktop — no app or download needed. Start on your phone and your progress and analytics sync when you sign in.
- What is the JNCIS-SEC syllabus?
- The JNCIS-SEC syllabus maps to its 1 section: JNCIS-SEC (55 Q). Wrexa Edge's mock tests cover the complete syllabus topic by topic — see the topics-covered breakdown above — so you practise every area at real exam difficulty.
- What is the eligibility for JNCIS-SEC?
- Eligibility for JNCIS-SEC — age, qualification and number of attempts — is set by the official conducting body and can change each cycle, so always confirm the current official notification before applying. Wrexa Edge focuses on realistic JNCIS-SEC practice: 10 free full-length mocks in the exact exam pattern, ready whenever you are.
- When is the JNCIS-SEC exam and how should I prepare?
- Official JNCIS-SEC exam dates are announced by the conducting body for each cycle — check the latest notification for the current schedule. To be ready, follow a phased study plan and take full-length timed mocks; Wrexa Edge gives you 10 free JNCIS-SEC mocks with instant scoring so you can track your readiness week by week.
Related exams & practice tests
Candidates preparing for JNCIS-SEC also practise these on Wrexa Edge:
Browse more: All Tech & IT Certifications exams → · Full exam catalog →
Ready to ace JNCIS-SEC?
Join thousands of candidates practising on Wrexa Edge. Free signup, 50 variants per exam, instant scoring.
Start practising free →