Juniper JN0-102 Online Practice Questions and Exam Preparation

Juniper JN0-102 Online Questions & Answers

• Question 281:

  You have been asked to use a 23-bit network mask to segment the network block 209.18.12.0. How many usable host addresses will there be per subnet?

  A. 510
  B. 1022
  C. 2046
  D. 8190
  A. 510

• Question 282:

  You need to control SSH, HTTP, and Telnet access to an MX240 router through any interface. You have decided to use a firewall filter. How should you apply the firewall filter?

  A. as an outbound filter on interface fxp0
  B. as an outbound filter on interface lo0
  C. as an inbound filter on interface fxp0
  D. as an inbound filter on interface lo0
  D. as an inbound filter on interface lo0

• Question 283:

  Click the Exhibit.

  

  Your Junos device is using the configuration shown in the exhibit. You notice that the 172.17.23.10/30 address is incorrect and should be 172.17.23.9/30. What are two commands that would solve this problem? (Choose two.)

  A. [edit interfaces]user@router# set ge-0/0/2.0 family inet address 172.17.23.9
  B. [edit interfaces]user@router# replace pattern 172.17.23.10 with 172.17.23.9
  C. [edit interfaces]user@router# rename ge-0/0/2.0 family inet address 172.17.23.10/30 to address 172.17.23.9/30
  D. [edit interfaces]user@router# delete ge-0/0/2.0 family inet address 172.17.23.10
  B. [edit interfaces]user@router# replace pattern 172.17.23.10 with 172.17.23.9
  C. [edit interfaces]user@router# rename ge-0/0/2.0 family inet address 172.17.23.10/30 to address 172.17.23.9/30

• Question 284:

  In the MAC address 00:90:69:9f:ea:46, what represents the Organizationally Unique Identifier (OUI)?

  A. 69:9f:ea:46
  B. 00:90:69:9f
  C. 9f:ea:46
  D. 00:90:69
  D. 00:90:69

• Question 285:

  Which parameter must be included when executing operational mode commands from within configuration mode?

  A. insert
  B. do
  C. prompt
  D. run
  D. run

• Question 286:

  Click the Exhibit button.

  

  Referring to the exhibit, which OSPF feature would connect Area 0 to Area 2?

  A. Route summarization
  B. Database synchronization
  C. Equal-cost multipath
  D. Virtual link
  D. Virtual link

• Question 287:

  When using keyboard shortcuts, which single keystroke combination allows users to erase the entire current command?

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

• Question 288:

  Two devices on an Ethernet segment sent frames at the same time causing a collision. Which two statements are true? (Choose two.)

  A. Both devices stop transmitting, wait a random period of time, verify the wire is idle, and re-transmit.
  B. The device with the lowest MAC address is permitted to retransmit first.
  C. The device with the lowest MAC address sends a jam signal to notify all other devices of the collision.
  D. Both devices send a jam signal to notify all other devices of the collision.
  A. Both devices stop transmitting, wait a random period of time, verify the wire is idle, and re-transmit.
  D. Both devices send a jam signal to notify all other devices of the collision.

• Question 289:

  Which two statements are true about terms in a routing policy? (Choose two.)

  A. A routing policy cannot have more than one term.
  B. If a term does not contain a from statement, all routes match.
  C. If a term does not contain a from statement, the Junos OS will not commit.
  D. A then statement is not mandatory in a term.
  B. If a term does not contain a from statement, all routes match.
  D. A then statement is not mandatory in a term.

• Question 290:

  What is a valid option when using the ping command?

  A. packet loss
  B. packet size
  C. CRC
  D. TCP port
  B. packet size