JN0-103 Junos – Associate – Juniper Networks Certified Associate Exam

Exam Details
JNCIA-Junos exam topics are based on the content of the recommended instructor-led training courses, as well as the additional resources.

Exam code: JN0-103
Administered by Pearson VUE
Exam length: 90 minutes
Exam type: 65 multiple-choice questions
Scoring and pass/fail status is available immediately
Junos Software Release: 19.4

Exam Objectives
This list provides a general view of the skill set required to successfully complete the specified certification exam.

Identify the concepts, benefits or functionality of the core elements of the Junos OS
Software architecture
Control and forwarding planes
Routing Engine and Packet Forwarding Engine
Transit traffic processing
Exception traffic

Identify the concepts, operation or functionality of the Junos user interface
CLI functionality
CLI modes
CLI navigation
CLI Help
Filtering output
Active versus candidate configuration
Reverting to previous configurations
Modifying, managing, and saving configuration files
Viewing, comparing, and loading configuration files
J-Web (core/common functionality only)

Identify the main elements for configuring Junos devices
Factory-default state
Initial configuration
User accounts
Login classes
User authentication methods
Interface types and properties
Configuration groups
Additional initial configuration elements, such as NTP, SNMP, and syslog
Configuration archival
Logging and tracing
Rescue configuration

Describe how to configure basic components of a Junos device

Identify methods of monitoring or maintaining Junos devices
Show commands
Monitor commands
Interface statistics and errors
Network tools, such as ping, traceroute, telnet, SSH, and so on
Junos OS installation and upgrades
Powering on and shutting down Junos devices
Root password recovery

Describe monitoring or maintenance procedures for a Junos device


Identify basic routing concepts or functionality for Junos devices
Traffic forwarding concepts
Routing tables
Routing versus forwarding tables
Route preference
Routing instances
Static routing
Advantages of and use cases for dynamic routing protocols

Describe how to configure or monitor basic routing elements for a Junos device

Identify the concepts or functionality of routing policy and firewall filters on Junos devices
Default routing policies
Import and export policies
Routing policy flow
Effect of policies on routes and routing tables
Policy structure and terms
Policy match criteria, match types, and actions
Firewall filter concepts
Filter structure and terms
Filter match criteria and actions
Effect of filters on packets
Unicast reverse-path-forwarding (RPF)

Describe how to configure or monitor routing policies and firewall filters on a Junos device

Preparation
The resources listed on this section are recommended, but do not guarantee passing scores on JNCP exams. Success depends on each candidate’s motivation, experience, and dedication. Candidates may find additional resources not listed on this page helpful as well.

QUESTION 1
Which command verifies configuration syntax without applying the changes?

A. commit confirmed
B. commit check
C. commit comment
D. commit and-quit

Correct Answer: B

QUESTION 2
By default, which character indicates the UNIX shell prompt?

A. #
B. %
C. $
D. >

Correct Answer: B

QUESTION 3
You are considering an upgrade from 19.1R1 and want to ensure that only bug fixes are included.
Which two software versions should you consider in this situation? (Choose two.)

A. 19.3R1-S1
B. 19.3R2
C. 19.1R3
D. 19.1R1-S2

Correct Answer: AC

QUESTION 4
Which two statements are true about static routes in the Junos OS? (Choose two.)

A. Static routes remain in the routing table until you remove them or until they become inactive.
B. Static routes must have a next hop defined.
C. Static routes are learned by neighboring devices and added to their routing tables.
D. Static routes are defined at the [edit routing-instances] hierarchy.

Correct Answer: AB

QUESTION 5
When multiple users are editing the configuration on a Junos device, what is the default behavior when a user issues a commit command?

A. All valid configuration changes made by all users will take effect.
B. The user’s configuration changes are committed; other users’ configuration changes are still pending.
C. The user will receive an error message disallowing a commit of the configuration.
D. The user’s configuration changes are committed; other users will be exited from configuration mode.

Correct Answer: A
 

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