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Juniper Junos, Associate (JNCIA-Junos) - JN0-106 Exam Questions

QUESTION NO: 1
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?

A. Apply the MTU to each interface family for each 1 gigabit interface. B. Set the app-engine compute-cluster Ethernet MTU size for the Junos VM. C. Create a group that adjusts MTU size on 1 gigabit interfaces and apply at the interfaces level. D. Use the system internet-options path-mtu-discovery to dynamically adjust MTU.

Correct Answer: C

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QUESTION NO: 2
Which statement correctly describes the purpose of Class of Service (CoS) in Junos OS?

A. CoS is only applicable to Layer 2 switches. B. CoS allows administrators to prioritize and manage traffic based on classification to meet different service level requirements. C. CoS is used to encrypt traffic between devices. D. CoS replaces the need for routing protocols.

Correct Answer: B

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QUESTION NO: 3
Which two statements about firewall filters are correct? (Choose two.)

A. Firewall filters are stateless. B. Firewall filters can match Layer 7 parameters. C. Firewall filters are stateful. D. Firewall filters can match Layer 4 parameters.

Correct Answer: A,D

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QUESTION NO: 4
Which process in the Junos OS is responsible for device management tasks including the CLI and commit operations?

A. mgd B. chassisd C. rpd D. dcd

Correct Answer: A

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QUESTION NO: 5
Which two characteristics apply to TCP? (Choose two.)

A. TCP uses a three-way handshake to establish a connection. B. TCP provides reliable, ordered delivery using sequence numbers. C. TCP broadcasts datagrams by default on Ethernet. D. TCP guarantees fixed latency for application flows.

Correct Answer: A,B

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QUESTION NO: 6
An administrator wants to set up a remote user authentication service for the many users that access a Juniper security device. In this scenario, what are two supported authentication protocols? (Choose two.)

A. SHA B. IPsec C. RADIUS D. TACACS+

Correct Answer: C,D

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QUESTION NO: 7
You successfully committed a configuration change. You now realize an issue exists and must revert back to the previous configuration. Which command entered in configuration mode will accomplish this task when committed?

A. save config B. rollback 1 C. rollback 0 D. show | compare

Correct Answer: B

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QUESTION NO: 8
Which two actions would you perform when you are in the operational mode of the CLI? (Choose two.)

A. Commit the configuration. B. Clear the log files. C. Reboot the device. D. Configure routing protocols.

Correct Answer: B,C

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QUESTION NO: 9
What are two link-state routing protocols? (Choose two.)

A. BGP B. OSPF C. IS-IS D. RIP

Correct Answer: B,C

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QUESTION NO: 10
Click the Exhibit button.

Referring to the exhibit, what is the source IP address of the ping that was executed?

A. 10.23.0.3 B. 10.12.0.2 C. 10.23.0.2 D. 10.24.0.4

Correct Answer: C

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QUESTION NO: 11
You are using the factory default configuration on a new Juniper router. You must successfully commit the configuration and activate the device. Which component must be configured before Junos OS will allow you to accomplish this task?

A. a root-authentication password B. a system hostname C. a management IP address on the fxp0 interface D. at least one logical interface with family inet enabled

Correct Answer: A

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QUESTION NO: 12
Which configuration mode command allows an administrator to exit configuration mode without saving any changes made to the candidate configuration?

A. discard B. rollback 0 C. commit D. exit

Correct Answer: A

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QUESTION NO: 13
What are two examples of exception traffic? (Choose two.)

A. transit packets B. routing updates C. ping to the local device D. log messages

Correct Answer: B,C

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QUESTION NO: 14
Which command is used to display OSPF neighbor adjacency status on a Junos device?

A. show ospf database B. show ospf interface C. show route protocol ospf D. show ospf neighbor

Correct Answer: D

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QUESTION NO: 15
Which protocol would you configure to synchronize the time and date on a Junos device?

A. SNMP B. RIP C. NTP D. NMP

Correct Answer: C

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