Juniper JN0-103 Online Practice Questions and Exam Preparation

Juniper JN0-103 Online Questions & Answers

• Question 51:

  Which two statements about subnet masks are true? (Choose two.)

  A. If a bit is turned on (1), the corresponding bit in the IP address is used for the host portion.
  B. If a bit is turned off (0), the corresponding bit in the IP address is used for the host portion.
  C. If a bit is turned on (1), the corresponding bit in the IP address is used for the network prefix.
  D. If a bit is turned off (0), the corresponding bit in the IP address is used for the network prefix.
  B. If a bit is turned off (0), the corresponding bit in the IP address is used for the host portion.
  C. If a bit is turned on (1), the corresponding bit in the IP address is used for the network prefix.

• Question 52:

  You must apply the family inet configuration parameter only to Gigabit Ethernet interfaces that are in FPC 2. Which output applies to this configuration?

  A. [edit groups]user@router# showge-int {interfaces { {unit 0 {family inet;}}}}
  B. [edit groups]user@router# showge-int {interfaces { {unit 0 {family inet;}}}}
  C. [edit groups]user@router# showge-int {interfaces { {unit 0 {family inet;}}}}
  D. [edit groups]user@router# showge-int {interfaces { {unit 0 {family inet;}}}}
  D. [edit groups]user@router# showge-int {interfaces { {unit 0 {family inet;}}}}

• Question 53:

  What is the default location of the primary syslog file on Junos devices?

  A. /var/log/
  B. /var/tmp/
  C. /var/home/
  D. /var/db/
  A. /var/log/

• Question 54:

  What is the purpose of the load merge command?

  A. to look for a replace tag in the configuration you load
  B. to combine the current configuration with the configuration you load
  C. to add or delete variables from the configuration based on the contents of a specified patch file
  D. to completely overwrite the current configuration with the configuration you load
  B. to combine the current configuration with the configuration you load

• Question 55:

  Which statement is correct regarding exception traffic processing?

  A. Exception traffic is only handled by the PFE.
  B. Exception traffic is rate-limited across the internal link to protect the RE.
  C. Exception traffic is not prioritized during times of congestion.
  D. Exception traffic is forwarded based on forwarding table entries.
  B. Exception traffic is rate-limited across the internal link to protect the RE.

• Question 56:

  You are connected to your Junos device using an SSH connection to the fxp0 interface. No other interfaces are currently configured beyond their default settings. You commit a configuration that makes the fxp0 interface unreachable from your management network.

  In this scenario, how would you re-establish communication with the device?

  A. Connect to the console of the device.
  B. Establish an SSH connection to the loopback interface.
  C. Power off and power on the device.
  D. Unplug the network cable and plug it back in.
  A. Connect to the console of the device.

• Question 57:

  Which two commands would you use to reset the candidate configuration to the active configuration? (Choose two.)

  A. rollback 0
  B. rollback 2
  C. rollback 1
  D. rollback
  A. rollback 0
  D. rollback

• Question 58:

  Which command returns a list of commands in which a given keyword is used throughout the Junos hierarchies?

  A. help topic
  B. help reference
  C. help apropos
  D. help tip
  C. help apropos

• Question 59:

  A Junos device is in a factory-default configuration and no host name is set. What is used in place of a host name in this scenario?

  A. router
  B. amnesiac
  C. Junos
  D. user
  B. amnesiac

• Question 60:

  What is the default route preference for OSPF internal?

  A. 100
  B. 150
  C. 5
  D. 10
  D. 10