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Juniper JN0-104 Exam
Junos - Associate (JNCIA-Junos) (Page 3 )

Updated On: 12-Feb-2026
Page 3 of 30
PDF with 142 Questions

Click the Exhibit button.



The user root is unable to connect to the router using SSH.

Referring to the exhibit, which configuration change will correct the problem?

  1. [edit]
    user@router# set system services ssh root-login allow
  2. [edit]
    userr@outer# set system services ssh
  3. [edit]
    user@router# delete system services ssh
  4. [edit]
    use^@router# delete system services ssh root-login deny

Answer(s): A

Explanation:

https://www.juniper.net/documentation/us/en/software/junos/user- access/topics/ref/statement/ssh-edit-system.html



After logging in as root, you enter the cl i command.
What does this command do?

  1. It enables you to enter configuration mode.
  2. It enables you to enter line edit mode.
  3. It enables you to enter operational mode.
  4. It enables you to enter interface mode.

Answer(s): C



Click the Exhibit button.



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

  1. The logical interface is running IPv6.
  2. The interface is operating in full-duplex mode.
  3. The address 172.25.11.255 is the broadcast address for the logical interface.
  4. The interface MAC address has been changed from the default MAC address.

Answer(s): B,C



Click the Exhibit button.



Click the Exhibit button.

What happens if the packet shown in the exhibit is received by a device running Junos OS?

  1. The packet is received by the RE first and then redirected to the PFE.
  2. The packet is received by the PFE first and then redirected to the RE.
  3. The packet is handled by the PFE alone.
  4. The packet is handled by the RE alone.

Answer(s): B

Explanation:

IP options are exception traffic

Packets addressed to the chassis, such as routing protocol updates, Telnet sessions, pings, traceroutes, and replies to traffic sourced from the RE;

· IP packets with the IP options field (options in the packet's IP header are rarely seen, but the PFE was purposely designed not to handle IP options; packets with IP options must be sent to the RE for processing); and

· Traffic that requires the generation of Internet Control Message Protocol (ICMP) messages.



Click the Exhibit button.



Click the Exhibit button.

Referring to the exhibit, which statement is correct about traffic received on the ge-0/0/1.0 interface?

  1. All traffic will be silently dropped.
  2. All traffic will be accepted.
  3. All traffic will be dropped and a UDP message sent back to the source.
  4. All traffic will be dropped and an ICMP notification sent back to the source.

Answer(s): C






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