Questions Juniper JN0-106 Exam & JN0-106 PDF

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Juniper JN0-106 Exam Overview:

Certification Vendor:Juniper Networks
Exam Name:Junos, Associate (JNCIA-Junos)
Exam Number:JN0-106
Exam Price:$200 USD
Exam Format:Multiple choice
Related Certifications:JNCIS-ENT
JNCIE-ENT
JNCIE-SP
JNCIP-ENT
JNCIP-SP
JNCIS-SP
Exam Duration:90 minutes
Passing Score:60% - 70% (scaled scoring, exact value not published)
Certificate Validity Period:3 years
Available Languages:English
Real Exam Qty:65
Recommended Training:Getting Started with Networking
Introduction to Junos OS
Exam Registration:Pearson VUE Registration
Sample Questions:Juniper JN0-106 Sample Questions
Exam Way:Online (OnVUE) or onsite at Pearson VUE test centers
Pre Condition:No prerequisites required
Official Syllabus URL:https://www.juniper.net/us/en/training/certification/tracks/junos/jncia-junos.html

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JN0-106 PDF, JN0-106 Sample Questions Answers

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Juniper JN0-106 Exam Syllabus Topics:

TopicDetails
Topic 1
  • User Interfaces: Covers how to navigate and use the Junos CLI and J-Web interface, including configuration management, output filtering, and working with active versus candidate configurations.
Topic 2
  • Junos OS Fundamentals: Covers the architecture of Junos OS, focusing on the separation of control and forwarding planes and how traffic is processed by the routing and packet-forwarding engines.
Topic 3
  • Routing Fundamentals: Covers core routing concepts on Junos devices, including routing and forwarding tables, route preference, static routing, routing instances, and an introduction to dynamic routing protocols.
Topic 4
  • Operational Monitoring and Maintenance: Covers the tools and procedures used to monitor, maintain, and troubleshoot Junos devices, including show
  • monitor commands, network utilities, OS upgrades, and password recovery.
Topic 5
  • Routing Policy and Firewall Filters: Covers how to control traffic flow on Junos devices using routing policies and firewall filters, including policy structure, match criteria, filter actions, and unicast RPF.
Topic 6
  • Networking Fundamentals: Covers core networking concepts including IP addressing, subnetting, Layer 2
  • 3 operations, routing basics, and protocol types essential for understanding how networks function.

Juniper Junos, Associate (JNCIA-Junos) Sample Questions (Q72-Q77):

NEW QUESTION # 72
Which command displays the currently active configuration on a Junos device?

Answer: A


NEW QUESTION # 73
A network administrator must set up the initial configuration of the out-of-band management interface on a new Juniper router to ensure management traffic is isolated from the default routing table (inet.0). In this scenario, which configuration step is required to accomplish this task in Junos OS?

Answer: D

Explanation:
In modern Junos OS versions, the most efficient and standard way to isolate Out-of-Band (OOB) management traffic from transit traffic is by utilizing the management-instance . Historically, management interfaces like fxp0 (on M/MX/T series) or me0 (on EX/QFX series) shared the global routing table (inet.0), which could lead to routing conflicts if management subnets overlapped with production data.
To resolve this, Junos introduced the set system management-instance command. When this is enabled, the OS automatically creates a dedicated routing instance named mgmt_junos. The physical management interface (be it fxp0, em0, or me0) and its associated logical unit are moved into this private instance. This creates a complete separation: management protocols like SSH, SNMP, and NTP operate within mgmt_junos, while BGP, OSPF, and customer data remain in inet.0. This architecture ensures that even a massive routing loop or table exhaustion in the production plane will not prevent an administrator from accessing the device via the OOB port. Furthermore, it simplifies the configuration of default gateways for management traffic, as the mgmt_junos instance maintains its own independent routing table (mgmt_junos.inet.0), preventing management routes from ever being leaked into the provider core.
Reference: Operational Monitoring and Maintenance, Management Instance, OOB Management.


NEW QUESTION # 74
In the Junos OS, which keyboard shortcut allows you to move to the start of the line?

Answer: B

Explanation:
In the Junos OS command-line interface (CLI), the keyboard shortcut Ctrl+a is used to move the cursor to the start of the line. This is a common convention in many command-line environments and text editors, providing a quick way to navigate to the beginning of the current command or line of text without having to use the arrow keys. This can be particularly useful for making quick edits to commands or for navigating long lines of text more efficiently.


NEW QUESTION # 75
Click the Exhibit button.

You have configured multiple authentication methods on your Junos device, including RADIUS, TACACS+, and local user accounts. A user attempts to log in, but the RADIUS server is unavailable.
Referring to the exhibit, which statement is correct?

Answer: A

Explanation:
The authentication order specifies that if the first method is unavailable or fails, Junos OS automatically proceeds to the next configured authentication method in the list.


NEW QUESTION # 76
Your system administrator notified the infrastructure team that all server NICs will be moving to jumbo frames. All of the NICs used by servers are 1 gigabit. The starting frame size will be 4K. The exact frame size may change depending on testing results. In this scenario, which choice would provide a flexible solution?

Answer: B

Explanation:
In large-scale Junos deployments, efficiency and flexibility are achieved through the use of configuration groups . When faced with a requirement like moving all 1-gigabit interfaces to jumbo frames-with the caveat that the exact MTU value (e.g., 4000 bytes) might change after testing-manually editing every interface is both tedious and prone to error.
By creating a configuration group under the [edit groups] hierarchy, you can define the MTU parameter once.
You then use the apply-groups statement at the [edit interfaces] level or on specific interface ranges. This creates a " template " effect. The flexibility comes into play during the testing phase: if results indicate that a
9000-byte MTU is preferable to 4000 bytes, the architect only needs to modify the value in the group definition. The Junos OS inheritance mechanism automatically propagates this update to every interface associated with that group.
Applying MTU at the family level (Option B) is less efficient and doesn ' t handle the physical Layer 2 MTU requirements of jumbo frames as effectively. Path-MTU discovery (Option D) is a protocol-level function for avoiding fragmentation but does not configure the local interface ' s hardware capability to accept larger frames. Thus, groups represent the best practice for centralized, scalable management.
Reference: Configuration Basics, Junos Groups, Interface MTU Configuration.


NEW QUESTION # 77
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