Juniper JN0-280 : Data Center, Associate (JNCIA-DC)

JN0-280 real exams

Exam Code: JN0-280

Exam Name: Data Center, Associate (JNCIA-DC)

Updated: Oct 26, 2026

Q & A: 187 Questions and Answers

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Nobody budgets for a retake, yet a failed Juniper Data Center, Associate (JNCIA-DC) attempt bills you the full fee a second time. The JN0-280 practice questions at PassTorrent — 187 of them, with verified answers — exist to make your first sitting your only one.

Juniper JN0-280 Exam Overview:

Certification Vendor:Juniper Networks
Exam Name:Data Center, Associate (JNCIA-DC)
Exam Number:JN0-280
Related Certifications:Juniper Networks Certified Associate - Data Center (JNCIA-DC)
Exam Duration:90 minutes
Available Languages:English
Exam Price:$200 USD
Exam Format:Multiple Choice
Passing Score:Pass / Fail
Certificate Validity Period:3 years
Real Exam Qty:65
Sample Questions:Free Download JN0-280 bootcamp pdf
Exam Way:Pearson VUE test center or online proctored exam.
Pre Condition:No prerequisite certification required.
Official Syllabus URL:https://www.juniper.net/us/en/training/certification/tracks/data-center/jncia-dc.html

Juniper JN0-280 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Data Center Fundamentals15%- Data Center Concepts
  • 1. Overlay and underlay networks
  • 2. Spine-and-leaf topology
  • 3. East-west and north-south traffic flows
  • 4. Data center architectures
Topic 2: IP Fabric and Layer 3 Routing25%- Routing Fundamentals
  • 1. OSPF basics
  • 2. BGP fundamentals
  • 3. IP addressing and subnetting
  • 4. Static routing
  • 5. ECMP concepts
Topic 3: Data Center Operations10%- Monitoring and Management
  • 1. Junos OS operational commands
  • 2. Configuration management
  • 3. System monitoring
  • 4. Troubleshooting basics
Topic 4: Data Center Security10%- Security Fundamentals
  • 1. Access control concepts
  • 2. Network segmentation
  • 3. Authentication and authorization
  • 4. Data center security best practices
Topic 5: Data Center Virtualization15%- Virtualization Technologies
  • 1. Virtual machines and hypervisors
  • 2. EVPN overview
  • 3. Virtual networking concepts
  • 4. VXLAN fundamentals
Topic 6: Ethernet Switching25%- Layer 2 Technologies
  • 1. Ethernet switching fundamentals
  • 2. Link aggregation groups
  • 3. Spanning Tree Protocol
  • 4. VLAN concepts and operations

Juniper Data Center, Associate (JNCIA-DC) FAQ: Straight Answers Before You Study

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The JN0-280 exam gives you 90 minutes to work through 65 questions. That pace punishes perfectionism — the candidates who struggle are usually the ones who burned ten minutes on one stubborn item. Train the skill directly: take timed, full-length mocks in the PassTorrent desktop or online test engine, practice skipping and returning, and walk in with a pacing strategy you have already tested.

No prerequisite certification required.

Vendor requirements do change, so before you commit to an exam date, confirm the latest eligibility rules on the official Juniper exam page.

The Juniper Data Center, Associate (JNCIA-DC) syllabus is split into 6 domains, anchored by Data Center Virtualization (15%), Ethernet Switching (25%), and Data Center Security (10%). The full breakdown sits in the syllabus section above — treat it as the checklist that decides where your study hours go.

The passing mark for the JN0-280 exam is Pass / Fail, and the official registration fee is $200 USD. Remember that the fee covers a single attempt — fail, and the retake costs the same again with no loyalty discount. Protect the budget by self-testing first: drill 187 practice questions at PassTorrent under timed conditions until your scores clear the bar with margin, then register.

The JN0-280 exam, officially the Data Center, Associate (JNCIA-DC), is Juniper's benchmark for proving you can work with its technologies in professional settings; passing it awards the JNCIA-DC certification, which sits at the Associate level. Because the credential is issued by the vendor itself, it carries weight with employers that self-assessed skills simply cannot match. It also opens the road toward Juniper Networks Certified Associate - Data Center (JNCIA-DC).

Yes — PassTorrent publishes a free PDF demo of the JN0-280 materials so you can check the question quality and verified answers before paying anything. Once you purchase, 365 days of free updates come standard, and if your product expires you can renew the update service at a 50% discount from your member zone.

Juniper Data Center, Associate (JNCIA-DC) Sample Questions:

Question #1

Within your router, you want to verify that you are learning routes from a remote BGP peer at IP address
10.10.100.1. Which command would satisfy the requirement?

  • A. show route protocol bgp source-gateway 10.10.100.1
  • B. show route protocol bgp table inet.0 10.10.100.1
  • C. show route advertise-protocol bgp 10.10.100.1
  • D. show route receive-protocol bgp 10.10.100.1
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

Explanation: Only visible for PassTorrent members. You can sign-up / login (it's free).

Question #2

Which two statements are true about how switches handle Layer 2 traffic? (Choose two.)

  • A. The MAC address is learned based on the destination MAC address.
  • B. Traffic is forwarded based on the source MAC address.
  • C. Traffic is forwarded based on the destination MAC address.
  • D. The MAC address is learned based on the source MAC address.
Reveal Solution  Discussion  0

Correct Answer: C,D  🗳️

Explanation: Only visible for PassTorrent members. You can sign-up / login (it's free).

Question #3

Which of the following VLAN port modes exist in Junos OS? (Choose two)

  • A. Aggregated
  • B. Access
  • C. Tunnel
  • D. Trunk
Reveal Solution  Discussion  0

Correct Answer: B,D  🗳️

Question #4

Which EBGP feature must be used when peering to a non-directly connected peer address?

  • A. multipath
  • B. local preference
  • C. AS path
  • D. multihop
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

Question #5

When troubleshooting an OSPF neighborship, you notice that the router stopped at the ExStart state. What is the cause of this result?

  • A. There is an interval timing mismatch.
  • B. There is an MTU mismatch.
  • C. There is an area ID mismatch.
  • D. The priority is set to 255.
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

Explanation: Only visible for PassTorrent members. You can sign-up / login (it's free).

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