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JN0-102 Exam Questions - Online Test


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Q1. You are asked to change the cable on interface fe-4/2/3. 

Which statement is correct? 

A. The cable is found on port 4, FPC 2, and slot 3. 

B. The cable is found on slot 2, port 3, and FPC 4. 

C. The cable is found on FPC 4, slot 3, and port 2. 

D. The cable is found on slot 2, FPC 3, and port 4. 

Answer:

Q2. Which two statements are true of login classes? (Choose two.) 

A. Users can be members of multiple login classes. 

B. Login classes define authorization parameters for a user. 

C. There are five system-defined login classes. 

D. Login class permission flags can be overridden for certain commands. 

Answer: B,D 

Q3. Which layer in the OSI model is responsible for translating frames into bits? 

A. Application Layer 

B. Presentation Layer 

C. Data Link Layer 

D. Physical Layer 

Answer:

Q4. Which two statements are true about TCP communication? (Choose two.) 

A. The receiver acknowledges the final packet in each communications stream. 

B. The receiver adds sequencing numbers to the packets received. 

C. The sender adds sequencing numbers to the packets it sends. 

D. The receiver acknowledges each packet it receives from the sending device. 

Answer: A,C 

Q5. Which configuration causes RIP-learned routes to be advertised to other RIP neighbors? 

A. set protocol rip no-passive 

B. top edit policy-options policy-statement demo set term 1 from protocol rip set term 1 then accept top set protocols rip group internal export demo 

C. set protocols rip advertise in-out 

D. top edit policy-options policy-statement demo set term 1 from active routes set term 1 then accept top set protocols rip group internal export demo 

Answer:

Q6. Which two statements are correct about firewall filters in the Junos OS? (Choose two.) 

A. Firewall filters are stateless. 

B. Firewall filters are used to control routing information that is exchanged between devices. 

C. Firewall filters are used to control traffic passing through the device. 

D. Firewall filters can only be applied to traffic entering the device. 

Answer: A,C 

Q7. 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:

Q8. The IP address 192.168.100.1 belongs to which class of IP address space? 

A. Class A 

B. Class B 

C. Class C 

D. Class D 

Answer:

Q9. How does the PFE handle unicast transit traffic destined for an existing forwarding table entry? 

A. It sends the traffic through one egress port toward its destination. 

B. It sends the traffic through multiple egress ports to all available receivers. 

C. It sends the traffic through an internal link to the RE. 

D. It sends the traffic to the local system for further processing. 

Answer:

Q10. Which command will display the active configuration? 

A. user@router> show configuration 

B. user@router# show 

C. user@router> show system configuration 

D. user@router> show system commit 

Answer: