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Juniper · Data Center & Virtualization · Associate

Juniper JNCIA-DC exam guide

Exam JN0-281

JNCIA-DC validates foundational knowledge of modern data center networking with Juniper: IP fabric designs, BGP in the data center, EVPN-VXLAN fundamentals and intent-based operations with Juniper Apstra. It is the entry point to Juniper's data center track.

Questions65
Time limit90 minutes
Passing scoreSee official page
Exam fee$200 USD
Valid for3 years
DeliveryPearson VUE test center or online proctored

Format: Multiple choice. Fee note: Junos Genius/Juniper Open Learning candidates who pass the free voucher assessment can get a discounted exam voucher..

Who it's for

Network engineers who are new to data center fabrics or moving from campus to data center roles.

What the exam covers

Data Center Architectures—
Data Center Routing Protocols—
IP Fabric Fundamentals—
EVPN-VXLAN Fundamentals—
Juniper Apstra Fundamentals—

A dash means the vendor does not publish a weight for that domain.

Eligibility & prerequisites

Required: None

Recommended: Basic networking and Junos knowledge.

Keeping it active

Valid for 3 years. Recertify by passing the current version of the same exam or a higher-level exam in the same track before expiry; recertifying a higher level also renews the lower-level certifications in that track.

Skills & careers

Skills it validates

  • Comparing three-tier and spine-leaf designs
  • Explaining BGP-based IP fabrics
  • Describing VXLAN encapsulation and EVPN control plane
  • Understanding intent-based networking with Apstra
  • Describing data center high availability
  • Monitoring fabric health

Job roles

Data Center Network EngineerNetwork EngineerInfrastructure EngineerNetwork Operations EngineerCloud Network Engineer

Where it fits in your path

Take before

Juniper JNCIA-Junos

You are here

Juniper JNCIA-DC

Planning a degree too? See how this cert earns college credit in the College Credit Navigator.

Build my study plan

  1. Week 1: Data center architectures and spine-leaf design principles.
  2. Week 2: BGP in the data center: eBGP underlay design and ASN schemes.
  3. Week 3: EVPN-VXLAN fundamentals: VTEPs, VNIs, route types at a high level.
  4. Week 4: Apstra fundamentals (blueprints, intent, analytics) via Juniper Open Learning; practice questions and book.

Make it yours: pick your exam date and weekly hours. We'll split your time by domain weight and give you a printable plan.

Exam-day tips

  • Know why spine-leaf gives predictable latency and how ECMP is used.
  • Be clear on underlay vs overlay roles in EVPN-VXLAN.
  • Know Apstra concepts (blueprint, rack type, template) at a terminology level.
  • Expect questions comparing Layer 2 and Layer 3 fabric approaches.
  • Juniper does not publish the passing score or objective weights, so cover every listed objective rather than gambling on a few.

Key terms for this exam

All 6 terms Study with thinQcards™

Commonly confused on this exam

Frequently asked questions

How much does JNCIA-DC cost?

Juniper associate exams are $200 USD.

Do I need JNCIA-Junos first?

No formal prerequisite; it helps with the Junos CLI basics.

How long is it valid?

3 years.

What comes after JNCIA-DC?

JNCIS-DC (JN0-481), then JNCIP-DC and JNCIE-DC.

Is it worth it?

Yes for engineers heading into data center and AI fabric work, where EVPN-VXLAN skills are in demand.

Official page: www.juniper.net. Reviewed November 2026. Vendors change fees and objectives, so confirm with the vendor before you book. Spot something out of date? Tell us.