JN0-102 Exam - Junos, Associate (JNCIA-Junos)

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Q1. 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:

Q2. What are three terminating actions for firewall filters? (Choose three.) 

A. reject 

B. drop 

C. permit 

D. accept 

E. discard 

Answer: A,D,E 

Q3. -- Exhibit --

user@router> show route protocol static 

inet.0: 12 destinations, 12 routes (12 active, 0 holddown, 0 hidden) 

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

192.168.1.128/27 *[Static/5] 00:03:13 >to 10.20.106.10 via fe-0/0/5.1 192.168.1.144/29 *[Static/5] 00:03:13 >to 10.20.14.131 via ge-0/0/0.0 192.168.1.192/27 *[Static/5] 00:03:13 >to 10.18.1.1 via ge-0/0/1.0 192.168.1.128/28 *[Static/5] 00:01:06 >to 10.20.14.130 via ge-0/0/0.0 -- Exhibit --

Given the routing entries shown in the exhibit, which next-hop IP address will be used for the destination IP address 192.168.1.142? (Assume that only static routes are available for the destination.) 

A. 10.20.106.10 

B. 10.20.14.131 

C. 10.18.1.1 

D. 10.20.14.130 

Answer:

Q4. -- Exhibit --[edit policy-options policy-statement my-policy] 

user@router# show 

term 1 { 

from { 

route-filter 192.168.0.0/16 prefix-length-range /20-/24; 

then accept; 

-- Exhibit --

Referring to the exhibit, which three networks match the policy? (Choose three.) 

A. 192.168.0.0/20 

B. 192.168.0.0/16 

C. 192.168.128.0/18 

D. 192.168.128.0/21 

E. 192.168.64.0/24 

Answer: A,D,E 

Q5. By default, if equal-cost paths exist for the same destination, which action will the router take? 

A. Drop half the traffic. 

B. Make a copy of the traffic and send it to both destinations. 

C. Load-balance traffic between the available paths. 

D. Randomly select one of the available paths to send traffic. 

Answer:

Q6. Which two statements are true about terms in a routing policy? (Choose two.) 

A. A routing policy cannot have more than one term. 

B. If a term does not contain a from statement, all routes match. 

C. If a term does not contain a from statement, the Junos OS will not commit. 

D. A then statement is not mandatory in a term. 

Answer: B,D 

Q7. You accidentally configured interface so-0/0/0.0 with /32 instead of /30. 

Which two solutions could you use to correct this configuration? (Choose two.) 

A. [edit interfaces so-0/0/0.0] 

user@router# replace family inetaddress /32 with /30 

B. [edit interfaces so-0/0/0.0] 

user@router# rename family inetaddress /32 to address /30 

C. [edit] 

user@router# replace interface so-0/0/0.0 family inetaddress /32 with address /30 

D. [edit interfaces so-0/0/0.0] 

user@router# delete family inet address 

user@router# set family inetaddress /30 

Answer: B,D 

Q8. By default, which two statements are true about export routing policies? (Choose two.) 

A. Export policies can evaluate only active routes. 

B. Export policies can evaluate all routes. 

C. Export policies can be applied to the forwarding table. 

D. Export policies can be applied directly to interfaces 

Answer: A,C 

Q9. What are two examples of RE exception traffic? (Choose two.) 

A. BGP updates that travel through the local router and are destined for a remote router. 

B. OSPF hello packets that are sent from a remote router and are destined for the local router. 

C. Telnet traffic that is sent from a remote host and is destined for the local router. 

D. Telnet traffic that travels through the local router and is destined for a remote end host. 

Answer: B,C 

Q10. In the Junos OS, what handles transit traffic? 

A. Transit traffic is handled by the RE only. 

B. Transit traffic is handled by the PFE only. 

C. Transit traffic is handled by both the RE and the PFE. 

D. Transit traffic is not handled by the RE or the PFE. 

Answer: