Juniper Juniper Certifications JN0-102 Questions & Answers

• Question 281:

  Which statement is correct regarding IPv6 addresses?

  A. An IPv6 address consists of 128 bits separated into eight 16-bit hexadecimal sections.

  B. An IPv6 address consists of 64 bits separated into four 16-bit hexadecimal sections.

  C. An IPv6 address consists of 128 bits separated into sixteen 8-bit hexadecimal sections.

  D. An IPv6 address consists of 64 bits separated into eight 8-bit hexadecimal sections.

  Correct Answer: A

• Question 282:

  Which action does the ping 172.18.1.1 size 5 command perform?

  A. It sends only five ping requests to the 172.18.1.1 destination.

  B. It sends a continuous ping with a packet length of five bytes to the 172.18.1.1 destination.

  C. It sends five rapid ping requests to the 172.18.1.1 destination.

  D. It sends a continuous rapid ping with a packet length of five bytes to the 172.18.1.1 destination.

  Correct Answer: B

• Question 283:

  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

  Correct Answer: B

• Question 284:

  To which directory does the Junos OS write traceoptions files?

  A. /var/tmp/

  B. /var/

  C. /var/log/

  D. /var/home//

  Correct Answer: C

• Question 285:

  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

  Correct Answer: C

• Question 286:

  -- Exhibit -

  user@router> show route protocol static

  inet.0: 15 destinations, 15 routes (15 active, 0 holddown, 0 hidden)

  +

  = Active Route, - = Last Active, * = Both 99.0.0.0/17 *[Static/5] 00:00:11 >to 10.1.1.2 via ge-0/0/1.0 99.0.0.0/19 *[Static/5] 00:00:11 >to 10.1.2.2 via ge-0/0/2.0 99.0.0.0/24 *[Static/5] 00:00:11 >to 10.1.3.2 via ge-0/0/3.0 99.0.0.0/26 *[Static/5] 00:00:11 >to 10.1.4.2 via ge-0/0/4.0 -- Exhibit -In the exhibit, there are four static routes that route traffic through different interfaces. Which interface does the router use if traffic is sent to the 99.0.0.1 destination?

  A.

  ge-0/0/1

  B.

  ge-0/0/2

  C.

  ge-0/0/3

  D.

  ge-0/0/4

  Correct Answer: D

• Question 287:

  What are two examples of exception traffic? (Choose two.)

  A. SFTP traffic that enters one interface and is destined for a local physical interface.

  B. SFTP traffic that enters and exits the same interface on the local router.

  C. SCP traffic that enters one interface and exits another interface on the local router.

  D. SCP traffic that is destined for the router's loopback interface.

  Correct Answer: AD

• Question 288:

  The PFE receives which two tables from the RE? (Choose two.)

  A. Layer 2 forwarding table

  B. Layer 4 forwarding table

  C. Layer 3 forwarding table

  D. Layer 5 forwarding table

  Correct Answer: AC

• Question 289:

  At which layer of the OSI model does error checking occur with IPv6?

  A. Layer 2

  B. Layer 3

  C. Layer 4

  D. Layer 7

  Correct Answer: C

• Question 290:

  Which command would initiate a loopback on a Gigabit Ethernet interface ge-0/0/0?

  A. # set interfaces ge-0/0/0 unit 0 loopback

  B. # set interfaces ge-0/0/0 gigether-options loopback

  C. > set interfaces ge-0/0/0 loopback

  D. > loopback ge-0/0/0

  Correct Answer: B