Juniper JN0-102 Online Practice Questions and Exam Preparation

Juniper JN0-102 Online Questions & Answers

• Question 71:

  You want to log in to the router and make a configuration change.

  After logging in as the root user, what is the next command you must enter?

  A. enable
  B. configure
  C. edit
  D. cli
  D. cli

• Question 72:

  Which statement is true about logical units?

  A. Logical units are similar to VLANs used by other vendors.
  B. A logical unit is required for transit interfaces.
  C. Frame Relay encapsulation supports one logical unit.
  D. Link speed and duplex are configured in the logical unit properties.
  B. A logical unit is required for transit interfaces.

• Question 73:

  Which three protocols use UDP as a transport protocol by default? (Choose three.)

  A. HTTP
  B. TFTP
  C. DNS
  D. SNMP
  E. SMTP
  B. TFTP
  C. DNS
  D. SNMP

• Question 74:

  Which command is used to restore a Junos device to its default state?

  A. load factory-default
  B. load override factory-default
  C. load replace default
  D. load set default
  A. load factory-default

• Question 75:

  Which CLI command do you use to determine which files are cleanup candidates?

  A. request system storage cleanup candidates
  B. request system services storage candidates
  C. request system services candidate cleanup
  D. request system storage cleanup dry-run
  D. request system storage cleanup dry-run

• Question 76:

  Which keystroke combination allows users to move the cursor to the beginning of the command line without deleting text?

  A. Ctrl + w
  B. Ctrl + a
  C. Ctrl + b
  D. Ctrl + u
  B. Ctrl + a

• Question 77:

  You issue the command telnet interface ge-1/1/0 10.10.10.1 source 192.168.100.1 bypass- routing. Which statement is correct?

  A. The bypass-routing parameter is ignored when using private IP addressing.
  B. The telnet session will have the source IP address 10.10.10.1.
  C. The telnet session will connect to the neighboring device's interface ge-1/1/0.
  D. Return traffic for the telnet session might not arrive at interface ge-1/1/0.
  D. Return traffic for the telnet session might not arrive at interface ge-1/1/0.

• Question 78:

  What does the command show | compare rollback 1 display?

  A. the difference between the current candidate configuration and the candidate configuration from one commit ago
  B. the difference between the current active configuration and the current candidate configuration
  C. the difference between the current active configuration and the active configuration from one commit ago
  D. the difference between the current candidate configuration and the archived configuration from one commit ago
  D. the difference between the current candidate configuration and the archived configuration from one commit ago

• Question 79:

  You suspect a duplicate MAC address on a subnet. You want to display the MAC, errors, and statistics of the ge-0/0/0 interface. Which command will accomplish this task?

  A. show arp
  B. show Ethernet-switching table
  C. show interface ge-0/0/0 extensive
  D. show interface terse
  C. show interface ge-0/0/0 extensive

• Question 80:

  By default, what are three valid routing tables? (Choose three.)

  A. inet.0
  B. inet4.0
  C. inet.6
  D. inet6.0
  E. inet.3
  A. inet.0
  D. inet6.0
  E. inet.3