You can see it againUnder pressure people bring back shapes and positions long after the wording has gone.
Picture superiority · Shepard 1967, Standing 1973
The Juniper Networks Certified Professional, Data Center (JNCIP-DC) certification validates your ability to design, configure, and troubleshoot advanced data center technologies, including IP fabrics, VXLAN, EVPN-VXLAN signaling, and data center interconnect. It is designed for experienced data center professionals who manage Junos-based data center devices. Earning this credential demonstrates your expertise in deploying and operating modern, scalable data center networks.
Content last reviewed 30 July 2026 · Up to date
What this certification covers, who it is written for, and what the exam itself looks like on the day.
What it validates, who it is written for, and the experience it assumes.
The JNCIP-DC certification is the professional-level credential in Juniper's Data Center track. It validates your advanced knowledge of data center technologies and your ability to configure, monitor, and troubleshoot complex data center environments built on Junos OS. The exam covers key areas such as data center deployment and management, Layer 3 fabrics, VXLAN, EVPN-VXLAN signaling, data center interconnect, and multitenancy and security.
Earning the JNCIP-DC demonstrates that you can design and operate robust data center networks that meet the demands of modern applications. This certification is ideal for experienced professionals who are ready to prove their expertise in data center architecture and operations, and it serves as a stepping stone toward the expert-level JNCIE-DC certification.
This certification is for experienced data center networking professionals who design, implement, and troubleshoot advanced data center networks using Juniper Networks equipment and Junos OS. It is well-suited for network engineers, architects, and operations staff who work with IP fabrics, VXLAN, EVPN, and related technologies. Candidates should have a deep understanding of data center architectures and be comfortable with configuration and troubleshooting tasks in a production environment. The exam assumes familiarity with the topics covered in the JNCIS-DC or JNCIS-ENT certifications, as well as hands-on experience with Junos devices.
Juniper recommends completing the 'Implementing Data Center Fabric with EVPN and VXLAN' training course and having hands-on experience with Junos OS in data center environments. Hands-on experience with Junos OS configuration and troubleshooting; Understanding of data center architectures, including IP fabrics and VXLAN; Familiarity with EVPN signaling and data center interconnect concepts; Knowledge of data center security and multitenancy principles
Every domain and objective Juniper Networks measures, with the weight they carry on the exam.
The official Juniper Networks exam outline · checked 30 July 2026 · See the source
Everything Juniper Networks publishes about sitting it, and nothing we inferred.
JNCIS-DC or JNCIS-ENT
The path Juniper Networks lays out, how the credential is kept, and where to book.
Step-by-step path to Juniper Networks Certified Professional, Data Center (JNCIP-DC)
Juniper certifications are valid for three years. Recertification options are available through Juniper's recertification program. Stay current with the latest technologies and maintain your certification.
Learn more about renewal requirementsThis certification is currently active and available. Juniper Networks maintains this certification to validate current skills and industry relevance.
Register for the exam through Pearson VUE, Juniper Networks’s authorized testing partner.
Schedule your examVisit the official Juniper Networks certification page for exam policies and requirements.
View the official pageYour coach in the app reads what you have answered with the book closed and tells you one thing to do tonight. It will not count an answer you gave with the page open, and it will tell you when you are not ready.
See how the coach worksThe JNCIP-DC is the professional-level certification in the Data Center track. To take the JNCIP-DC exam, you must first hold either the JNCIS-DC (Data Center, Specialist) or JNCIS-ENT (Enterprise Routing and Switching, Specialist) certification.
Juniper exams are delivered by Pearson VUE and are available both online and at test centers. You can choose the option that best suits your needs when registering.
Juniper's retake policy allows candidates to retake a failed exam after a waiting period. Specific waiting times and any limits on attempts are detailed in Juniper's certification policies.
No, the JNCIP-DC exam is a written exam consisting of 65 multiple-choice questions. It does not include a hands-on lab component.
The JNCIP-DC certification is designed for experienced data center networking professionals, including network engineers, architects, and operations staff who work with Juniper data center technologies.
Yes, earning a higher-level certification such as the JNCIE-DC may renew your JNCIP-DC certification. Juniper's recertification program provides details on how advanced certifications can renew lower-tier credentials.
Every domain, every objective, and every concept Juniper Networks measures — each one written out.





Every objective below is a page you can open and practise now, without an account.
The official Juniper Networks exam outline · checked 30 July 2026 · See the source
In front of every objective the practice pages are already there, free and without an account. This is one objective, opened.
17 questions on this objective, five to a page. Every range above is a real page, open now, with no account.
The curriculum tells you what is on the exam. Proving you know it is a different job — and it is the one the closed-book run does.
The whole bank is open. 5 questions to a page, every answer explained, and a discussion thread on each one.
Every objective, and every page range, is a link — so you can pick up exactly where you left off.
Short enough to finish, long enough to matter.
Not only which one is right — why the others are wrong.
Ask, answer, and vote. Every question has its own thread.
These are not trivia. Each one is written against a concept in the book, so when you get one wrong there is somewhere to go and find out why.

The pages shown here come from our AI-900 book — an example of how each concept is written in plain language and, where the idea needs one, drawn as a full page you can take in at a glance.





Three reasons, and each one is a real finding rather than a slogan.
You can see it againUnder pressure people bring back shapes and positions long after the wording has gone.
Picture superiority · Shepard 1967, Standing 1973
The whole idea at onceWhere it starts, what happens in the middle, what comes out, and the mistake to avoid.
Multimedia principle · Mayer
The look-alikes sit togetherThe pairs the exam tests are drawn side by side, so the difference is seen, not told.
Dual coding · PaivioYou are never asked to read a poster here — only to see how one is built. After that, every other page is legible at a glance.

The idea as a sequence, followed with a finger before a word is read.
What it is, how the machine learns it, when it is the right tool.
The distinction the exam tests, given its own box instead of buried in prose.
The sentence to carry into the exam room.
This is the part that teaches. The illustration and the written explanation stay where they are while you work, so a scenario stops being a memory test and becomes something you can simply look at.
A smartphone uses AI to unlock when the owner looks at the camera. Which AI capability is being used?

The same questions come back with the book closed — that run is the one that counts. After it, your coach picks one thing for tonight, sized to the time you have, and brings pages back before you lose them.
Testing effect · Roediger & Karpicke 2006 · spacing effect · Cepeda et al. 2006
Where the exam is defined, scheduled and scored.
We link to them rather than repeat them, so nothing here goes stale behind them.
We build from the official skills outline, not from a summary of it — 28 objectives, 186 concepts written under them, and free questions against every one. When Juniper Networks changes the outline, this page changes with it.
That is the only question worth answering the night before, and no link answers it. You answer it by taking the questions with the book closed, and seeing what comes back.