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JN0-102 Exam Questions - Online Test


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Q1. Which statement is true regarding the Junos OS? 

A. Each process runs in its own protected memory space ensuring that one process cannot directly interfere with another. 

B. Processes share memory space but use separate ASICs so that one process cannot directly interfere with another. 

C. A central processor called the IP2 Chip dynamically assigns memory as process needs fluctuate. 

D. The memory management daemon (mmd) is responsible for allocating new memory for processes as they request it. 

Answer:

Q2. What are two routing requirements for a device to communicate with another device? (Choose two.) 

A. end-to-end communications path 

B. hosts on the same Layer 2 broadcast domain 

C. hosts on the same Layer 3 broadcast domain 

D. routing information on participating Layer 3 devices 

Answer: A,D 

Q3. What is the default export routing policy for RIP? 

A. Accept all local routes. 

B. Accept all RIP routes. 

C. Accept no routes. 

D. Accept all direct routes. 

Answer:

Q4. -- 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 { 

protocol static; 

route-filter 192.168.0.0/16 orlonger accept; 

then accept; 

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. 192.168.50.0/24 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:

Q5. -- 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 

Q6. Which command returns a list of commands in which a given keyword is used throughout the Junos hierarchies? 

A. help topic 

B. help reference 

C. help apropos 

D. help tip 

Answer:

Q7. A packet is evaluated against three user-defined terms within a firewall filter and no match is found. 

What correctly describes the action the firewall filter will take for this packet? 

A. The filter will permit the packet and take no additional action. 

B. The filter will reject the packet and send an ICMP message back to the sender. 

C. The filter will discard the packet and take no additional action. 

D. The filter will permit the packet and write a log entry to the firewall log. 

Answer:

Q8. Which statement is true regarding the password-recovery process? 

A. You must have a console connection. 

B. You cannot set the console port to an insecure mode. 

C. You must press the Enter key so that you can boot into single-user mode. 

D. When prompted to enter the full pathname of the shell, you must press the Enter key. 

Answer:

Q9. -- Exhibit – -- Exhibit --

You have been asked to establish reachability between Router 1's and Router 2's loopback addresses as shown in the exhibit. 

Which two steps will accomplish this task? (Choose two.) 

A. Create a static route on Router 1 to 172.17.28.1 with a next hop of 10.10.10.2. 

B. Create a static route on Router 1 to 172.17.28.1 with a next hop of 10.10.10.1. 

C. Create a static route on Router 2 to 172.17.25.1 with a next hop of 10.10.10.1. 

D. Create a static route on Router 1 to 172.17.25.1 with a next hop of 10.10.10.2. 

Answer: A,C 

Q10. You are asked to free up disk space so you can update your version of the Junos OS. 

Which two commands display the files that will be removed? (Choose two.) 

A. user@router> request system storage cleanup 

B. user@router> show system storage 

C. user@router> request system storage cleanup dry-run 

D. user@router> show system storage detail 

Answer: A,C