JN0-105 Exam Questions Get Updated [2026] with Correct Answers [Q19-Q37]

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JN0-105 Exam Questions Get Updated [2026] with Correct Answers

Practice JN0-105 Questions With Certification guide Q&A from Training Expert Real4Prep

Juniper JN0-105 Exam Syllabus Topics:

Topic	Details
Topic 1	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 2	Junos OS Fundamentals: It covers concepts, benefits, and functionality of the core elements of the Junos OS.
Topic 3	Networking Fundamentals: The topic networking fundamentals covers identifying the concepts and functionality of different fundamental elements of networking.
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	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.

Q19. By default, how does the PFE manage unicast traffic destined for an existing forwarding table entry?

It sends the traffic through multiple ports toward its destination.

It sends the traffic through one port toward its destination.

It sends the traffic through the f xpl interface to the RE.

It sends all traffic to the control plane for further processing.

Q20. You are creating a new policy to accept and redistribute routes into your IGP.
In this scenario, which match criteria would you use to identify the route prefixes to select?

instance

route-type

neighbor

route-filter

Q21. After the factory default configuration is loaded, which configuration object must be created prior to the first commit?

root authentication

loopback IP address

out-of-band connectivity

host name

Q22. What will the request system configuration rescue save command do?

It saves the most recently committed configuration as the rescue configuration.

It saves the candidate configuration as the rescue configuration.

It saves a configuration version prior to the configuration most recently committed as the rescue configuration.

It activates the rescue configuration.

Q23. You are logged in to a Junos OS device with SSH and issued the show protocols | compare command in the configuration, but no output is shown.
Which statement is correct in this scenario?

The command only works for interface configuration differences.

There are no changes to the candidate configuration.

Someone accidentally deleted the active configuration.

You must commit the configuration before any output will be shown.

Q24. Which command displays all IPv6 routes in the default routing instance?

show route table inet.0

show route table inet6.1

show route table inet.1

show route table inet6.0

Q25. Exhibit.

Referring to the exhibit, which routing configuration is required for these two users to access the remote server?

Users must connect directly to the router.

Users and the server require a default gateway.

Trunk ports must be enabled on the switch.

A routing protocol must be enabled on the router.

Q26. Click the Exhibit button.

Referring to the exhibit, OSPF has three export policies that match different static route prefixes. The
10.10.10.0/24 static route does not match any terms in the policyl routing policy.
What happens next in this scenario?

Thestaticrouteisevaluated by the poiicy3 routing policy.

Thestaticrouteisevaluated by the poiicy2 routing policy.

Thestaticrouteisrejected by the default routing policy.

Thestaticrouteisrejected by the policyl routing policy.

Q27. Which two statements are correct about Junos traceoptions? (Choose two.)

Traceoptions cannot be enabled in a production environment.

Traceoptions are enabled through configuration.

Traceoptions are enabled by default.

Traceoption output, by default, is stored in /var/iog/<fiie-name>.

Q28. Click the Exhibit button.

Referring the exhibit, what does the highlighted number indicate?

route preference is 5

hop count is 5

cost is 5

metric is 5

Q29. How many login classes are assignable to a user account?

Q30. A network administrator is attempting to route traffic on a Juniper switch to one of three different VLANs:
Prod, Test, and Dev. Each VLAN has been assigned a numerical value.
In this scenario, what are these numerical values called?

defaults

interfaces

names

tags

Q31. What are two advantages of using the Junos OS? (Choose two.)

It enables you to roll back to a previous configuration.

It pushes your configuration changes “live” immediately.

It is modular.

It supports up to a maximum of two previous configurations.

Q32. Click the Exhibit button.

Referring to the exhibit, what should be configured on R1 to advertise a default static route into OSPF?

a firewall filter

a routing policy

a loopback interface

a management interface

Q33. Your router has a route to the 10.1.1.0/24 network with a next hop of r jet.
In this scenario, which action will your router perform when traffic destined to the 10.1.1.0/24 network is received?

The traffic will be discarded and an ICMP unreachable message will be sent to the destination of the traffic.

The traffic will be discarded and an ICMP unreachable message will be sent to the source of the traffic.

The traffic will be redirected using a default route.

The traffic will be silently discarded.

Q34. What are two advantages of using the Junos OS? (Choose two.)

It enables you to roll back to a previous configuration.

It pushes your configuration changes “live” immediately.

It is modular.

It supports up to a maximum of two previous configurations.

Q35. What are two physical interface properties? (Choose two.)

MAC address

IP address

routing protocols

MTU

Q36. Which two statements are correct regarding Layer 2 network switches? (Choose two.)

Switches create a single collision domain.

Switches are susceptible to traffic loops.

Switches flood broadcast traffic.

Switches do not learn MAC addresses.

Q37. Exhibit
[edit system archival] user@router# show configuration {
transfer-on-commit; archive-sites {
“scp://[email protected] : /archive” password## SECRET-DATA
“ftp://[email protected]:/archive” password “$9…”; ## SECRET-DATA
.
Referring to the exhibit, where are the configuration backup files stored?

Files are storedto the SCP site and the FTP site in a round-robinmanner.

Files are storedto the SCP site and the FTP site simultaneously.

Files are storedto any site as selected by Junos internally.

Files are storedto the SCP site but if the transfer fails, then to theFTP site.