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JN0-102 Exam Questions - Online Test


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Q1. Which word starts a command to add configuration on a Junos device? 

A. get 

B. set 

C. put 

D. show 

Answer:

Q2. -- Exhibit --

[edit policy-options] 

user@router# show 

policy-statementpolicyABC { 

term A { 

from { 

protocol rip; 

route-filter 192.168.1.0/24 longer; 

then accept; 

 [edit protocols ospf] 

user@router# show 

exportpolicyABC; 

area 0.0.0.0 { 

interface ge-0/0/0.0; 

interface lo0.0; 

-- Exhibit --

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

A. The route 192.168.1.0/25 is accepted. 

B. The route 192.168.2.0/24 is accepted. 

C. OSPF routes will be exported into RIP. 

D. RIP routes will be exported into OSPF. 

Answer: A,D 

Q3. How do you write the current candidate configuration to the permanent storage media? 

A. [edit] 

user@router# save /var/tmp/current.conf 

B. [edit] 

user@router# write /var/tmp/current.conf 

C. [edit] 

user@router# commit /var/tmp/current.conf 

D. [edit] 

user@router# dump /var/tmp/current.conf 

Answer:

Q4. What information does the help reference command provide? 

A. A brief description of commands and their default values 

B. The serial number and version number of the device used to open a support case with JTAC 

C. A list of all the active hardware alarms on the device 

D. A display of the current configuration while in operational mode 

Answer:

Q5. Which word starts a command to display the operational status of a Junos device? 

A. put 

B. set 

C. show 

D. get 

Answer:

Q6. Which source of routing information is preferred by default? 

A. OSPF internal 

B. OSPF external 

C. IS-IS Level 1 

D. IS-IS Level 2 

Answer:

Q7. Using the command, user@router# load override latest.conf, where in the file system will the latest.conf be located? 

A. /var/home/user/ 

B. /var/config/saved/ 

C. /var/tmp/ 

D. /config/ 

Answer:

Q8. -- Exhibit --user@router> show route inet.0: 9 destinations, 9 routes (9 active, 0 holddown, 0 hidden) 

+ = Active Route, - = Last Active, * = Both 

10.10.10.91/32 *[Direct/0] 00:09:40 

>via lo0.0 

10.10.10.92/32 *[OSPF/10] 00:01:50, metric 1 

>to 172.16.1.2 via ge-0/0/2.0 

100.100.1.0/24 *[Static/5] 00:01:50 

Reject 

172.16.1.0/24 *[Direct/0] 00:06:09 

>via ge-0/0/2.0 

172.16.1.1/32 *[Local/0] 00:06:09 

Local via ge-0/0/2.0 

192.168.0.0/16 *[Aggregate/130] 00:00:06 

Reject 

192.168.0.0/17 *[Aggregate/130] 00:00:06 

>to 172.16.1.2 via ge-0/0/2.0 

192.168.50.0/24 *[Static/5] 00:00:06 

>to 172.16.1.2 via ge-0/0/2.0 

192.168.51.0/24 *[Static/5] 00:00:06 

>to 172.16.1.2 via ge-0/0/2.0 

user@router> show configuration policy-options 

policy-statement demo { 

term 1 { 

from { 

route-filter 192.168.0.0/16 longer accept; 

then reject; 

user@router> show configuration protocols ospf 

export demo; 

area 0.0.0.0 { 

interface ge-0/0/2.0; 

-- Exhibit --

Given the configuration and routing table shown in the exhibit, which routes will be advertised to OSPF neighbors because of the demo policy? 

A. 192.168.0.0/16 only 

B. 192.168.0.0/17 only 

C. 192.168.50.0/24 and 192.168.51.0/24 

D. 192.168.0.0/17, 192.168.50.0/24, and 192.168.51.0/24 

Answer:

Q9. Which route filter match type only matches prefixes greater than the defined prefix? 

A. exact 

B. upto 

C. longer 

D. orlonger 

Answer:

Q10. You configured an interface with an IP address and committed the change. You then committed a change that added an exception in a firewall filter to allow this network through the filter. You realize that this work was done on the wrong router. 

How do you undo all these changes? 

A. rollback 2 

B. rollback 1 

C. rollback 0 

D. rollback 3 

Answer: