Juniper JN0-106 JNCIA-Junos Exam Practice Questions
US$39
Every question with the correct answer and why the other options are wrong.
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Passed my JNCIA-Junos JN0-106 exam this morning! As someone new to Juniper, I struggled with the Junos OS CLI structure and routing policies. Cert Stash had fantastic practice questions that perfectly simulated the real exam difficulty. Thank you!
Three of the 98 questions in this pack
Question 1
What are two functions of the Routing Engine? (Choose two.)
Show answer and explanation
Correct answer: B, C. It runs Junos OS; It processes all management traffic.
The Routing Engine is a dedicated component in Junos devices that handles two primary functions: it runs the Junos OS operating system and it processes all management traffic destined for the device itself. Firewall filters for transit traffic and transit traffic processing are handled by the Packet Forwarding Engine (PFE), not the Routing Engine. The separation of control plane (Routing Engine) and data plane (PFE) is a core architectural principle of Junos.
Why the other options are wrong
- A. Firewall filter evaluation for transit traffic is performed by the Packet Forwarding Engine, not the Routing Engine.
- D. Transit traffic processing is a Packet Forwarding Engine function, not a Routing Engine function; the Routing Engine handles only management traffic.
Question 2
Which interface type prefix represents a 10-Gigabit Ethernet interface?
Show answer and explanation
Correct answer: B. xe
The prefix 'xe' represents 10-Gigabit Ethernet interfaces in Junos devices. Interface naming conventions in Junos use specific prefixes to denote speed and type: 'ge' for Gigabit Ethernet, 'fe' for Fast Ethernet, 'et' for 40-Gigabit Ethernet, and 'xe' for 10-Gigabit Ethernet.
Why the other options are wrong
- A. The 'ge' prefix represents Gigabit Ethernet (1 Gbps), not 10-Gigabit Ethernet.
- C. The 'et' prefix represents 40-Gigabit Ethernet, not 10-Gigabit Ethernet.
- D. The 'fe' prefix represents Fast Ethernet (100 Mbps), not 10-Gigabit Ethernet.
Question 3
Which two statements are correct regarding Layer 2 network switches? (Choose two.)
Show answer and explanation
Correct answer: A, B. Switches are susceptible to traffic loops; Switches flood broadcast traffic.
Switches operate at Layer 2 and have two key characteristics: they are susceptible to traffic loops when redundant paths exist without spanning tree protection, and they flood broadcast traffic out all ports except the incoming port. Switches do learn MAC addresses through the source MAC field of incoming frames, building a MAC address table. Switches create multiple collision domains (one per port), not a single collision domain.
Why the other options are wrong
- C. Switches actively learn MAC addresses from source addresses in received frames.
- D. Switches create one collision domain per port, not a single collision domain for all ports.
6 reviews for Juniper JN0-106 JNCIA-Junos Exam Practice Questions
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How much of the Juniper JN0-106 JNCIA-Junos bank is free?
98 questions in the bankEach step includes the one before, so buying only adds new questions.
- You are here10questionsFree sampleThree on this page, all ten as a PDF.Download the sample
- 2424% of the bankPractice pageFree on the site, every answer explained.Go to the practice page
- 3334% of the bankHalf PackFree by email, as one PDF, every answer explained.Get the Half Pack
- 98100%, the whole bankFull pack, US$39Plus the questions-only PDF, monthly updates, refund if you fail.Get the full pack
What’s in the Juniper JN0-106 JNCIA-Junos pack
- 98 questions mapped to the JN0-106 exam objectives
- Answers and explanations for every question, including the wrong options
- A questions-only PDF for timed practice runs
- Delivered by email shortly after checkout
- Free monthly updates for as long as the exam is live
- Pass or your money back
A JN0-106 attempt costs US$200. This pack is US$39, paid once.
What makes the JNCIA-Junos hard
JN0-106 is the current JNCIA-Junos exam. It replaced JN0-105 on 6 April 2026 (JN0-105's last day was 5 April 2026), keeps the same 65 question, 90 minute format, and is the prerequisite for the Enterprise and Service Provider tracks (JNCIS-ENT and JNCIS-SP). Since the HPE acquisition the programme is branded HPE Juniper Networking, but the exam, the objectives and the Junos OS 21.2 baseline are unchanged.
The objectives fall into seven areas: networking fundamentals covering the OSI and TCP/IP models and IPv4 and IPv6 addressing; Junos OS fundamentals covering the control and forwarding plane split; user interfaces covering the CLI and J-Web; configuration basics covering candidate and active configuration, commit and rollback; operational monitoring and maintenance; routing fundamentals covering routing and forwarding tables and the basics of OSPF and BGP; and routing policy and firewall filters. Juniper does not publish weightings or a fixed passing score, so every objective is fair game.
This pack has 98 practice questions for the JN0-106 JNCIA-Junos exam.
About the exam
JN0-106 earns the JNCIA-Junos certification and is the prerequisite for the Enterprise and Service Provider tracks (JNCIS-ENT and JNCIS-SP). It covers networking fundamentals, Junos OS fundamentals, user interfaces, configuration basics, operational monitoring and maintenance, routing fundamentals, and routing policy and firewall filters, on Junos OS 21.2. There are no prerequisites.
Questions before you buy
How quickly do I receive it?
Your PDF is prepared and sent to your email address after checkout, and you get a confirmation as soon as it is on its way.
Are updates included?
Yes. The pack is updated every month for as long as the exam is live, and updates are free for everyone who has bought it.
What if I fail the exam?
We refund the pack, or swap it for any other pack if you would rather keep studying. Sit the exam 7 to 30 days after buying, then send your official score report within 7 days of the exam date, as set out in the refund policy.
What is your pass rate?
99% of customers who prepare with a CertStash pack pass. If you do not, we refund the pack, or swap it for another pack.
Can I share it with colleagues?
Each purchase is licensed to one person. For a team, school or training organisation, email support@certstash.com for a licence that fits.
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Arella –
Passed my JNCIA-Junos JN0-106 exam this morning! As someone new to Juniper, I struggled with the Junos OS CLI structure and routing policies. Cert Stash had fantastic practice questions that perfectly simulated the real exam difficulty. Thank you!
Noble Nwankwo –
The JN0-106 exam questions helped me spot my weak areas and improve them before the exam.
Avery Lurey –
The JN0-106 practice tests helped me build networking fundamentals. The questions were suitable for systematic review.
Rolf Eddy –
The JN0-106 exam practice questions covered many areas that I needed to understand before taking the test.
Byron Kiester –
The questions helped me prepare more efficiently. Free updates made me feel more confident during the study period.
Fadri –
An absolute lifesaver for the JN0-106 Junos, Associate (JNCIA-Junos) exam. Junos CLI logic is different if you come from a Cisco background, and the latest JN0-106 exam dumps from Cert Stash really helped solidify my understanding of the operational vs. configuration modes, user accounts, and routing policies. Passed my JNCIA exam today with confidence! Thanks!