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Juniper JN0-105 exam : Junos, Associate (JNCIA-Junos)

JN0-105 Exam Questions
  • Exam Code: JN0-105
  • Exam Name: Junos, Associate (JNCIA-Junos)
  • Updated: Sep 19, 2026
  • Q & A: 109 Questions and Answers
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About Juniper JN0-105 Exam Guide

Choosing practice material for the Juniper Junos, Associate (JNCIA-Junos) exam should not feel like a gamble. RealExamFree backs its 109 practice questions for the JN0-105 exam with expert-verified answers and a free, printable demo, giving you a clear look at the product long before checkout.

Juniper JN0-105 Exam Overview:

Certification Vendor:Juniper Networks
Exam Name:Junos, Associate (JNCIA-Junos)
Exam Number:JN0-105
Real Exam Qty:65
Exam Format:Multiple Choice
Certificate Validity Period:3 years
Related Certifications:JNCIA-Junos
Passing Score:Variable (approximately 65-70%)
Available Languages:Japanese, English
Exam Price:$200 USD
Exam Duration:90 minutes
Sample Questions:Juniper JN0-105 exam demo
Exam Way:Pearson VUE testing center or online proctored exam
Pre Condition:No prerequisites required
Official Syllabus URL:https://www.juniper.net/gb/en/training/certification/tracks/junos/jncia-junos.html

Juniper JN0-105 Exam Syllabus Topics:

SectionObjectives
Topic 1: Junos OS Fundamentals- Junos architecture
  • 1. Junos process architecture
  • 2. Routing Engine
  • 3. Packet Forwarding Engine
Topic 2: Networking Fundamentals- OSI model
  • 1. Ethernet concepts
  • 2. IPv4 addressing
  • 3. IPv6 addressing
  • 4. TCP/IP model
Topic 3: Routing Fundamentals- Routing concepts
  • 1. Static routing
  • 2. Dynamic routing overview
  • 3. Routing tables
Topic 4: Configuration Basics- Initial configuration
  • 1. Configuration management
  • 2. System configuration
  • 3. User authentication
Topic 5: Routing Policy and Firewall Filters- Policy framework
  • 1. Firewall filters
  • 2. Traffic filtering
  • 3. Routing policies
Topic 6: User Interfaces- CLI operations
  • 1. J-Web interface
  • 2. Operational mode
  • 3. Configuration mode
Topic 7: Operational Monitoring and Maintenance- Monitoring tools
  • 1. Troubleshooting basics
  • 2. System monitoring
  • 3. Interface monitoring

Frequently Asked Questions About the JN0-105 Exam

The JN0-105 exam is the official test for the Juniper Junos, Associate (JNCIA-Junos) certification from Juniper. It measures whether you can apply the skills described in the exam objectives to realistic scenarios. Earning the credential shows employers that your knowledge has been checked against a recognized industry standard, which is why many candidates treat it as essential armor in a competitive job market.

The passing score for the JN0-105 exam is Variable (approximately 65-70%), and the exam fee is $200 USD. Because retakes mean paying the fee again, most candidates prefer to prepare thoroughly first — working through practice questions with expert-verified answers until the exam format feels familiar is a common approach.

RealExamFree focuses on doing a few things well: practice questions aligned with the real JN0-105 exam format, answers verified by experienced experts, free updates for 365 days after purchase, and a support team available around the clock. You can check all of this yourself before buying, because every product page offers a free demo that you can download and even print. There is no pressure and no obligation — the demo exists so you can make up your own mind.

According to the official outline, the main domains of the JN0-105 exam include:

  • Configuration Basics ()
  • Operational Monitoring and Maintenance ()
  • Routing Policy and Firewall Filters ()

The 109 practice questions for the Juniper Junos, Associate (JNCIA-Junos) exam at RealExamFree are organized around these objective areas, so your review time maps directly onto what the exam actually tests.

The JN0-105 exam contains 65 questions and allows 90 minutes minutes to complete them. That works out to limited time per question, so practicing under similar time pressure beforehand helps you pace yourself on the real day.

Yes. RealExamFree provides a free demo for the JN0-105 exam product, and all demos on the site are free of charge. The PDF demo can be downloaded to your device and printed out if you prefer reviewing on paper. Trying the demo first is the easiest way to confirm that the question style, difficulty, and layout match what you need for the Juniper Junos, Associate (JNCIA-Junos) exam — no payment and no commitment required.

Juniper Junos, Associate (JNCIA-Junos) Sample Questions:

Question #1

You want to find out the chassis serial number of a Junos device.
Which command would display this information?

  • A. show chassis routing-engine
  • B. show chassis location
  • C. show chassis hardware
  • D. show chassis environment
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

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

Question #2

You have configured some interfaces on a Junos device; however, you have not yet committed the configuration.
What happens if you issue the rollback 0 command in this scenario?

  • A. The messages.log file is deleted.
  • B. The factory default configuration is loaded.
  • C. The Junos device is rebooted.
  • D. The interface changes you made are discarded.
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

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Question #3

What information is exchanged during a TCP three-way handshake? (Choose two)

  • A. sequence numbers
  • B. application name
  • C. port numbers
  • D. interfaces
Reveal Solution  Discussion  0

Correct Answer: A,C  🗳️

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

Question #4

Click the Exhibit button.

Referring to the exhibit, what is the source IP address of the ping that was executed?

  • A. 10.23.0.3
  • B. 10.24.0.4
  • C. 10.23.0.2
  • D. 10.12.0.2
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

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

Question #5

You received a new Junos device and are configuring the system-related settings. You must configure this device for the current date and time on the US West coast. You have set the time zone to America
/Los_Angeies. however the time and date did not change.
In this scenario, which two additional actions would satisfy this requirement? (Choose two.)

  • A. Reboot the device.
  • B. Configure a DNS server.
  • C. Configure an NTP server.
  • D. Set the date and time setting manually.
Reveal Solution  Discussion  0

Correct Answer: C,D  🗳️

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

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