The latest JN0-103 JNCIA-Junos certification actual real practice exam question and answer (Q&A) dumps are available free, which are helpful for you to pass the JN0-103 exam and earn Juniper Networks Certified Associate, Junos, Associate (JNCIA-Junos) certification.
Exam Question 131
What are three characteristics of Layer 2 switches? (Choose Three)
A. Layer 2 switches separates multicast domains.
B. Layer 2 switches separates collision domains.
C. Layer 2 switches forward traffic addressed to hosts that reside on the same collision domain.
D. Layer 2 switches forward traffic addressed to hosts that reside on a different collision domain.
E. Layer 2 switches forward broadcast traffic.
Correct Answer:
B. Layer 2 switches separates collision domains.
D. Layer 2 switches forward traffic addressed to hosts that reside on a different collision domain.
E. Layer 2 switches forward broadcast traffic.
Exam Question 132
You have configuration groups applied on your router.
Which command would you use to see all components of the interface hierarchy?
A.show configuration interfaces | display detail
B.show configuration interfaces | display changed
C.show configuration interfaces | display set
D.show configuration interfaces | display inheritance
Correct Answer:
D.show configuration interfaces | display inheritance
Exam Question 133
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# delete ge-0/0/2.0 family inet address 172.17.23.10
B.
[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
C.
[edit interfaces]
user@router# replace pattern 172.17.23.10 with 172.17.23.9
D.
[edit interfaces]
user@router# set ge-0/0/2.0 family inet address 172.17.23.9
Correct Answer:
B.
[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
C.
[edit interfaces]
user@router# replace pattern 172.17.23.10 with 172.17.23.9
Exam Question 134
The PFE receives which two tables from the RE? (Choose two.)
A. Layer 5 forwarding table
B. Layer 2 forwarding table
C. Layer 3 forwarding table
D. Layer 4 forwarding table
Correct Answer:
B. Layer 2 forwarding table
C. Layer 3 forwarding table
Exam Question 135
Referring to the exhibit, what happens when ping packets are sent to the management interface address of the local router?
user@router> show route protocol static
A. An ICMP redirect message is returned.
B. An ICMP error message is returned.
C. The ping packets are accepted.
D. The ping packets are silently discarded.
Correct Answer:
A. An ICMP redirect message is returned.
Exam Question 136
Referring to the exhibit, which next-hop interface will be used to reach the 10.21.14.16 destination?
A. ge-0/0/1.0
B. ge-0/0/0.0
C. ge-0/0/3.0
D. ge-0/0/2.0
Correct Answer:
A. ge-0/0/1.0
Exam Question 137
Which statement is true about PFEs?
A. A PFE receives microcode updates from the RE.
B. A PFE receives layer 4 forwarding tables updates from the RE.
C. A PFE receives hardware status messages from the RE.
D. A PFE receives environmental status messages from RE.
Correct Answer:
B. A PFE receives layer 4 forwarding tables updates from the RE.
Exam Question 138
Which of the following protocols uses both TCP and UDP?
A. FTP
B. SMTP
C. Telnet
D. DNS
Correct Answer:
D. DNS
Exam Question 139
You have configured an SRX Series device for the first time. When you commit your configuration, the Junos OS notifies you that you cannot yet commit your configuration.
Which configuration step must you complete?
A. date/time
B. root authentication
C. security policies
D. hostname
Correct Answer:
B. root authentication
Exam Question 140
Referring to the exhibit, what does the number inside the square brackets represent?
A. route preference
B. metric
C. protocol reference number
D. local preference
Correct Answer:
A. route preference