JN0-102 Guide
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Q141. What is the default SNMP permission level on Junos devices?
A. read
B. read-write
C. read-only
D. write
Answer: C
Q142. 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: A
Q143. -- Exhibit --[edit policy-options policy-statement my-policy]
user@router# show
term 1 {
from {
route-filter 192.168.0.0/16 orlonger;
}
then accept;
}
-- Exhibit --
Referring to the exhibit, which three networks match the policy? (Choose three.)
A. 192.168.0.0/16
B. 192.168.0.0/15
C. 192.168.65.0/24
D. 192.167.0.0/17
E. 192.168.24.89/32
Answer: A,C,E
Q144. After editing to your device’s configuration, which command must you enter to activate the configuration changes?
A. set
B. copy candidate active
C. apply-config
D. commit
Answer: D
Q145. -- Exhibit --[edit policy-options]
user@router# show
policy-statement my-policy {
term 1 {
from {
route-filter 172.27.0.0/24 longer;
}
}
then reject;
}
-- Exhibit --
Which statement is correct about the policy shown in the exhibit?
A. All routes are accepted.
B. All routes are rejected.
C. A 172.27.0.0/24 route will be accepted.
D. A 172.27.0.0/16 route will be accepted.
Answer: B
Q146. What are two functions of the RE? (Choose two).
A. to maintain routing tables
B. to forward traffic toward its destination
C. to manage the PFE
D. to implement various services such as policing, stateless firewall filtering, and class of service
Answer: A,C
Q147. How do you save the current candidate configuration in the set format to permanent storage media?
A. [edit]
user@router# show | set | save /var/tmp/current.conf
B. [edit]
user@router# show | compare set | save /var/tmp/current.conf
C. [edit]
user@router# save /var/tmp/current.conf | display set
D. [edit]
user@router# show | display set | save /var/tmp/current.conf
Answer: D
Q148. Which command do you use to go from the shell prompt to the CLI prompt?
A. run cli
B. cli
C. start cli
D. edit
Answer: B
Q149. You are configuring a new BGP neighbor and want to view the configuration of interface ge-0/0/0.42.
Which command do you use to achieve this result?
A. [edit protocols bgp group external] user@router# set interfaces ge-0/0/0.42
B. [edit protocols bgp group external] user@router# edit show interfaces ge-0/0/0.42
C. [edit protocols bgp group external] user@router# top show interfaces ge-0/0/0.42
D. [edit protocols bgp group external] user@router# show interfaces ge-0/0/0.42
Answer: C
Q150. Which statement is true regarding the Junos OS?
A. All platforms running the Junos OS use the same source code base.
B. All platforms running the Junos OS use the same PFE.
C. All platforms running the Junos OS use a hard drive to optimize syslog data storage.
D. All platforms running the Junos OS use a separate process with protected memory space for each routing protocol.
Answer: A
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