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JN0-105 Junos - Associate (JNCIA-Junos) 2025 Exam Questions and Answers

Questions 4

What are two benefits when implementing class of service? (Choose two.)

Options:

A.

The network will be faster.

B.

Traffic congestion can be managed.

C.

Traffic congestion will be eliminated.

D.

Latency-sensitive traffic can be prioritized

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Questions 5

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

Options:

A.

Ctrl+a

B.

Ctrl+e

C.

Ctrl+w

D.

Ctrl+k

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Questions 6

Your network infrastructure transports data, voice, and video traffic. Users are complaining that voice and video calls are not performing to their expectations.

In this scenario, which technology would you implement to improve voice and video performance on your network?

Options:

A.

NAT

B.

CoS

C.

STP

D.

IPv6

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Questions 7

Which statement is correct concerning exception traffic processing?

Options:

A.

Exception traffic is always dropped during congestion.

B.

Exception traffic is rate-limited to protect the RE.

C.

Exception traffic is discarded by the PFE.

D.

Exception traffic is never forwarded.

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Questions 8

What are two types of transit traffic that traverse the forwarding plane of a Layer 3 router? (Choose two.)

Options:

A.

unicast traffic

B.

multicast traffic

C.

exception traffic

D.

broadcast traffic

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Questions 9

What are two benefits when implementing class of service? (Choose two.)

Options:

A.

Traffic congestion will be eliminated.

B.

The network will be faster.

C.

Traffic congestion can be managed.

D.

Latency-sensitive traffic can be prioritized.

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Questions 10

Which two fields are you required to enter when you create a new user account? (Choose two.)

Options:

A.

username

B.

full name

C.

user ID

D.

login class

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Questions 11

What does the user@router> clear log ospf-trace command accomplish?

Options:

A.

Logging data into ospf-trace is stopped.

B.

Trace parameters are removed from the OSPF protocol configuration.

C.

Data in the ospf-trace file is removed and logging continues.

D.

The ospf-trace file is deleted.

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Questions 12

Exhibit

policy-options { policy-statement Load-Balance-Policy { term Load-Balance { then { load-balance per-flow; accept;

}

}

}

}

routing-options {

router-id 192.168.100.11; autonomous-system 65201; forwarding-table {

export Load-Balance-Policy;

Referring to the exhibit, which two statements are correct? (Choose two.)

Options:

A.

The policy enables equal cost load balancing in the forwarding table.

B.

The policy must be applied under the protocols hierarchy.

C.

The policy enables per-packet load balancing.

D.

The policy enables flow-based load balancing.

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Questions 13

Which two actions happen when multiple users issue the configure exclusive command to enter configuration mode on a Junos device? (Choose two.)

Options:

A.

Other users can enter configuration mode.

B.

The candidate configuration is unlocked.

C.

The candidate configuration is locked.

D.

Other users cannot enter configuration mode.

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Questions 14

What information would you find using the CLI help command?

Options:

A.

hyperlinks for remediation actions

B.

a URL for accessing the technical documentation

C.

an explanation for specific system log error messages

D.

message of the day

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Questions 15

Which criteria does the Junos OS use to select an active route when two entries exist in the routing table?

Options:

A.

the route with the lowest preference number

B.

the most recently learned dynamic route

C.

the route with the highest preference number

D.

the route with the highest metric

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Questions 16

How many login classes are assignable to a user account?

Options:

A.

3

B.

2

C.

4

D.

1

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Questions 17

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

Options:

A.

It sends the traffic through multiple ports toward its destination.

B.

It sends the traffic through one port toward its destination.

C.

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

D.

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

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Questions 18

Click the Exhibit button.

JN0-105 Question 18

Referring the exhibit, what does the highlighted number indicate?

Options:

A.

route preference is 5

B.

hop count is 5

C.

cost is 5

D.

metric is 5

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Questions 19

Which two statements are true about the candidate configuration? (Choose two.)

Options:

A.

Candidate configuration changes are automatically applied.

B.

You can deploy multiple changes at the same time.

C.

Multiple users cannot modify the same candidate configuration.

D.

You can discard changes before committing them.

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Questions 20

You have logged on to a Junos device and are at the operational mode prompt.

Which two commands are used at this prompt? (Choose two.)

Options:

A.

show interface ge-0/0/0

B.

request system shutdown

C.

set interface ge-0/0/0 unit 0 family inet

D.

run show interface terse

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Questions 21

Which two addresses are included in an Ethernet frame header? (Choose two.)

Options:

A.

source IP address

B.

source MAC address

C.

destination IP address

D.

destination MAC address

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Questions 22

How many rescue configuration files are supported on a Junos device?

Options:

A.

50

B.

3

C.

1

D.

49

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Questions 23

What will the request system configuration rescue save command do?

Options:

A.

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

B.

It saves the candidate configuration as the rescue configuration.

C.

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

D.

It activates the rescue configuration.

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Questions 24

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

Options:

A.

showroute table inet.0

B.

showroute table inet6.1

C.

showroute table inet.1

D.

showroute table inet6.0

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Questions 25

Which component is considered part of the data plane?

Options:

A.

the Routing Engine

B.

the Packet Forwarding Engine

C.

the power supply

D.

the fan tray

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Questions 26

Which layer of the OSI model contains the IP address information?

Options:

A.

Layer 2

B.

Layer 3

C.

Layer 1

D.

Layer 4

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Questions 27

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?

Options:

A.

show interface terse

B.

show interface ge-0/0/3

C.

monitor interface traffic

D.

monitor interface ge-0/0/3

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Questions 28

Click the Exhibit button.

JN0-105 Question 28

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

Options:

A.

a firewall filter

B.

a routing policy

C.

a loopback interface

D.

a management interface

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Questions 29

You are configuring a firewall filter on a Juniper device.

In this scenario, what are two valid terminating actions? (Choose two.)

Options:

A.

count

B.

discard

C.

next term

D.

accept

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Questions 30

You are asked to view the real-time usage statistics for the busiest interfaces on a device running Junos OS.

Which command will achieve this task?

Options:

A.

monitor traffic absolute-sequence

B.

monitor interface traffic

C.

monitor traffic

D.

show interfaces extensive

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Exam Code: JN0-105
Exam Name: Junos - Associate (JNCIA-Junos) 2025 Exam
Last Update: Apr 1, 2025
Questions: 101

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