Junos, Associate (JNCIA-Junos)

Here you have the best Juniper JN0-105 practice exam questions

  • You have 110 total questions across 22 pages (5 per page)
  • These questions were last updated on March 8, 2026
  • This site is not affiliated with or endorsed by Juniper.
Question 1 of 110
Which two statements are correct regarding Layer 2 network switches? (Choose two.)
Answer

Suggested Answer

The suggested answer is A, B.

Layer 2 network switches flood broadcast traffic to all ports except the port where the broadcast was received. Additionally, switches are susceptible to traffic loops, which can cause broadcast storms and network instability if loop prevention protocols like Spanning Tree Protocol (STP) are not in place. Each port on a switch represents its own collision domain rather than creating a single collision domain for the entire switch.

Community Votes5 votes
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Question 2 of 110
What are two attributes of the UDP protocol? (Choose two.)
Answer

Suggested Answer

The suggested answer is A, C.

UDP is a best-effort protocol that does not guarantee the delivery of packets and does not perform error checking or correction, making it a best-effort service. Additionally, UDP is connectionless, meaning that it does not establish a connection before transmitting data, which allows for faster communication at the cost of reliability.

Community Votes2 votes
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Question 3 of 110
Exam JN0-105: Question 3 - Image 1
Click the Exhibit button.
You are unable to remotely access your Juniper device using the CLI.
Referring to the exhibit, which command would you add to the existing configuration to enable remote CLI access?
Answer

Suggested Answer

The suggested answer is A.

To enable remote CLI access on a Juniper device, you need to allow the device to receive SSH connections. The configuration shown in the exhibit does not include the necessary SSH service configuration. Adding 'set system services ssh' will enable SSH access, allowing remote CLI connections to the device.

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Question 4 of 110
You are trying to diagnose packet loss at interface ge-0/0/3.
In this scenario, which command would help you view error statistics in real time?
Answer

Suggested Answer

The suggested answer is A.

The correct command to view error statistics in real time on a specific interface is 'monitor interface ge-0/0/3'. This command allows you to see ongoing and real-time statistics for the specified interface, which is useful for diagnosing issues such as packet loss.

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Question 5 of 110
Which prompt indicates that you are using configuration mode?
Answer

Suggested Answer

The suggested answer is C.

The prompt '#' typically indicates that you are in configuration mode in many network devices and systems. This is a common convention across various types of equipment and platforms.

Community Votes2 votes
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About the Juniper JN0-105 Certification Exam

About the Exam

The Juniper JN0-105 (Junos, Associate (JNCIA-Junos)) validates your knowledge and skills. Passing demonstrates proficiency and can boost your career prospects in the field.

How to Prepare

Work through all 110 practice questions across 22 pages. Focus on understanding the reasoning behind each answer rather than memorizing responses to be ready for any variation on the real exam.

Why Practice Exams?

Practice exams help you familiarize yourself with the question format, manage your time, and reduce anxiety on the test day. Our JN0-105 questions are regularly updated to reflect the latest exam objectives.