JN0-102 Premium Bundle

JN0-102 Premium Bundle

Junos, Associate (JNCIA-Junos) Certification Exam

4.5 
(30975 ratings)
0 QuestionsPractice Tests
0 PDFPrint version
November 21, 2024Last update

Juniper JN0-102 Free Practice Questions

Q1. Which two statements are true about optical networks? (Choose two.) 

A. SONET and SDH both use time-division multiplexing. 

B. An optical transport network system uses time-division multiplexing. 

C. SONET and SDH both use wavelength-division multiplexing. 

D. An optical transport network system uses wavelength-division multiplexing. 

Answer: A,D 

Q2. What are two ways that packet fragmentation is handled differently between IPv6 and IPv4? (Choose two.) 

A. End hosts determine the path MTU for IPv6. 

B. End hosts determine the path MTU for IPv4. 

C. Packet fragmentation occurs at intermediate nodes for IPv4. 

D. Packet fragmentation occurs at intermediate nodes for IPv6. 

Answer: A,C 

Q3. For the interface ge-1/2/3.4, what does the "ge" represent? 

A. Gigabit Ethernet 

B. SONET/SDH 

C. Aggregated Ethernet 

D. GRE 

Answer:

Q4. Which command displays the amount of space available on the storage media? 

A. show chassis routing-engine 

B. show system file-storage 

C. file list 

D. show system storage 

Answer:

Q5. Which two statements are true regarding rescue configurations? (Choose two.) 

A. Once saved, a rescue configuration is loaded using the rollback 0 command. 

B. The rescue configuration must contain the minimal elements necessary to restore network connectivity. 

C. A minimal rescue configuration is defined by default. 

D. A rescue configuration must include a root password. 

Answer: B,D 

Q6. -- 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 

Q7. Which simplified IPv6 address is the same as the IP address 2001:0000:1000:0000:0000:cbff:0020:0001/64? 

A. 2001::1::cbff:2:0001/64 

B. 2001::1000::cbff:20:1/64 

C. 2001:0:1000::cbff:20:1/64 

D. 2001:0:1:0:0:cbff:2:1/64 

Answer:

Q8. What is the decimal equivalent of 00000110? 

A. 2 

B. 4 

C. 6 

D. 11 

Answer:

Q9. What happens when you issue the ping 172.19.102.2 count 5 command? 

A. ICMP echo requests are sent to 172.19.102.2 in five-millisecond intervals. 

B. ICMP echo requests are sent to 172.19.102.2 until five packets are dropped. 

C. ICMP echo requests are sent to 172.19.102.2 five times. 

D. ICMP echo requests are sent continuously to 172.19.102.2 for five seconds. 

Answer:

Q10. Random early detection (RED) is associated with which class of service component? 

A. classification 

B. policing 

C. queuing 

D. scheduling 

Answer:

Q11. -- Exhibit --... 

if-exceeding { 

bandwidth-limit 1m; 

burst-size-limit 3k; 

then discard; 

-- Exhibit --

The configuration in the exhibit is associated with which class of service component? 

A. classification 

B. policing 

C. queuing 

D. scheduling 

Answer:

Q12. -- 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:

Q13. A network administrator wants to verify the active alarms on interface so-0/0/0.0. 

Which command displays this information? 

A. show interfaces alarms 

B. show interfaces terse 

C. show alarms extensive 

D. show interfaces extensive 

Answer:

Q14. When using the monitor traffic command on Junos devices, which UNIX-based utility is accessed? 

A. snoop 

B. tcpdump 

C. monitor 

D. tail 

Answer:

Q15. 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:

START JN0-102 EXAM