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Juniper JN0-105 Exam Questions
- Topic 1: Networking Fundamentals: The topic networking fundamentals covers identifying the concepts and functionality of different fundamental elements of networking.
- Topic 2: Junos OS Fundamentals: It covers concepts, benefits, and functionality of the core elements of the Junos OS.
- Topic 3: User Interfaces: This topic delves into identifying the concepts, operation, or functionality of the Junos user interface.
- Topic 4: Configuration Basics: Identification of the main elements for configuring Junos devices is discussed in this topic. Moreover, it describes configuring basic components of a Junos device
- Topic 5: Operational Monitoring and Maintenance: Different methods of monitoring or maintaining Junos devices are identified in this topic. Lastly, it discusses monitoring or maintenance procedures for a Junos device.
- Topic 6: Routing Fundamentals: This topic discusses pointing out basic routing concepts or functionality for Junos devices. Moreover, the topic also describes configuring or monitoring basic routing elements for a Junos device.
- Topic 7: Routing Policy and Firewall Filters: The topic of Routing Policy and Firewall Filters covers routing policy and firewall filters on Junos devices. Furthermore, the topic also deals with routing policies and firewall filters on a Junos device.
Free Juniper JN0-105 Exam Actual Questions
Note: Premium Questions for JN0-105 were last updated On Aug. 09, 2025 (see below)
What will the request system configuration rescue save command do?
The request system configuration rescue save command in Junos OS saves the most recently committed configuration as the rescue configuration. This rescue configuration can be used to recover the device if future configurations cause issues. It ensures there is a stable, known-good configuration to fall back on, which is crucial in network management and troubleshooting.
'rescue : save configurations as the rescue: request system configuration save .................( saves the current configs as a rescue configs )' from Useful Juniper Commands.txt.
Juniper official documentation: Configuring and Activating a Rescue Configuration.
What is a benefit of using J-Web?
If you've committed a configuration and then need to revert to the previous configuration, the rollback command is used. Since the incorrect IP address has not been committed, as indicated by the commit check command being successful, issuing rollback 1 will undo the changes made in the current session, which includes the accidental entry of the IP address.
Which process in the Junos OS is responsible for device management tasks including the CLI and commit operations?
In Junos OS, the management daemon (mgd) is responsible for handling all the device management tasks, including processing CLI commands and handling commit operations. The mgd daemon interacts with the Junos OS configuration database and provides the necessary logic to ensure that configuration changes are syntactically correct and do not conflict with each other. When a user commits a configuration, mgd validates the changes, applies them to the running configuration, and ensures that the necessary daemons are notified of the changes to apply them accordingly.
What are two types of transit traffic that traverse the forwarding plane of a Layer 3 router? (Choose two.)
Transit traffic that traverses the forwarding plane of a Layer 3 router includes both unicast and multicast traffic types. Unicast traffic is directed from a single source to a single destination, while multicast traffic is sent from one source to multiple destinations that are part of a multicast group. These types of traffic are efficiently routed through the network by leveraging the router's forwarding plane capabilities. Exception traffic, which requires special handling by the control plane, and broadcast traffic, which is typically limited to a single broadcast domain and not usually forwarded by Layer 3 routers, are not considered standard types of transit traffic for the forwarding plane of a router.
You configured your system authentication order using the set authentication-order tacplus radius password command.
Which statement is correct in this scenario?
In the scenario where the system authentication order is set to 'tacplus radius password,' the correct statement is (B). If the TACACS+ and RADIUS servers are unreachable or fail to respond, the system will fall back to using password authentication. This ensures that users can still authenticate using locally stored passwords if external authentication servers are unavailable.
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