Juniper JN0-102 Exam Dumps

Junos - Associate (JNCIA-Junos)

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Exam Code	JN0-102
Exam Name	Junos - Associate (JNCIA-Junos)
Questions	141 Questions Answers With Explanation
Update Date	04, 14, 2026
Price	Was : $81 Today : $45 Was : $99 Today : $55 Was : $117 Today : $65

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Demo Questions

Question # 1

Which three statements are true about terms in a policy? (Choose three.)

A. The order of the terms in a policy is irrelevant.
B. The action is specified in a then statement.
C. Terms are optional in a policy.
D. The match condition can be identified with a from statement.
E. A from statement is mandatory in a term.

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Question # 2

Your network administrator has asked you to view the real-time interface usage on ge0/0/0. Which command would be used? 

A. monitor interface ge-0/0/0 
B. traceoptions interface ge-0/0/0 
C. debug interface ge-0/0/0 
D. monitor usage ge-0/0/0 

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Question # 3

Which statement describes an advantage of dynamic routing?

A. Dynamic routing is typically more scalable when compared to static routing.
B. Unlike static routing, dynamic routing requires no initial user configuration.
C. Unlike static routing, dynamic routing provides redundant IP addresses for end-user devices.
D. Dynamic routing provides DNS services along with IP connectivity, whereas static routing does not.

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Question # 4

-- Exhibit --user@router> show route protocol staticinet.0: 12 destinations, 12 routes (12 active, 0 holddown, 0 hidden)+ = Active Route, - = Last Active, * = Both192.168.1.128/27 *[Static/5] 00:03:13>to 10.20.106.10 via fe-0/0/5.1192.168.1.144/29 *[Static/5] 00:03:13>to 10.20.14.131 via ge-0/0/0.0192.168.1.192/27 *[Static/5] 00:03:13>to 10.18.1.1 via ge-0/0/1.0192.168.1.128/28 *[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 forthe destination IP address 192.168.1.159? (Assume that only static routes are available forthe destination.)

A. 10.20.14.130
B. 10.18.1.1
C. 10.20.14.131
D. 10.20.106.10

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Question # 5

-- 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

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Question # 6

What is a valid multicast MAC address? 

A. 00:90:69:9f:ea:46 
B. ff:ff:ff:ff:ff:ff
 C. 01:00:5e:28:12:95 
D. 99:99:99:99:99:99 

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Question # 7

-- 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

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Question # 8

-- Exhibit --interfaces {ge-0/0/8 {unit 0 {family inet {address 192.168.1.1/24;}}}ge-0/0/9 {unit 0 {family inet {address 192.168.10.1/24;}}}}-- Exhibit --Referring to the exhibit, which command would you use to add an additional address to thege-0/0/9.0 interface?

A. [edit interfaces ge-0/0/9 unit 0]user@router# set family inet address /24
B. [edit interfaces ge-0/0/9 unit 0]user@router# set family inet secondary-address /24
C. [edit interfaces ge-0/0/9 unit 0]user@router# set family inet address /24 secondary
D. [edit interfaces ge-0/0/9 unit 0]user@router# set family inet address-secondary /24

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Question # 9

You have received a default route through BGP from your ISP and you want to redistribute it into OSPF.  Which method will accomplish this?

A. Apply an export policy to OSPF that exports the default route.
B. Apply an import policy to OSPF that imports the default route.
C. Apply the default-network command to OSPF.
D. Apply the redistribute-igp command to BGP.

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Question # 10

Which statement is true about terms in a policy? 

A. A single term can be applied to a protocol or interface, independent of the policy. 
B. Once configured, terms within a policy cannot be reordered. 
C. The name of a term is limited to five characters. 
D. A from statement is optional in a term. 

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Question # 11

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.

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Question # 12

What represents the decimal equivalence of 11100111? 

A. 195 
B. 223 
C. 230 
D. 231 

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Question # 13

-- Exhibit --[edit policy-options]user@router# showpolicy-statementpolicyABC {term A {from {protocol rip;route-filter 192.168.1.0/24 longer;}then accept;}}[edit protocols ospf]user@router# showexportpolicyABC;area 0.0.0.0 {interface ge-0/0/0.0;interface lo0.0;}-- Exhibit --Referring to the exhibit, which two statements are true? (Choose two.)

A. The route 192.168.1.0/25 is accepted.
B. The route 192.168.2.0/24 is accepted.
C. OSPF routes will be exported into RIP.
D. RIP routes will be exported into OSPF.

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Question # 14

What information is used by a switch to forward an Ethernet frame to its destination?

A. IP address
B. destination MAC address
C. ARP table entry
D. FCS checksum

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Question # 15

Which command do you use to show active alarms?

A. show hardware state
B. show system alarms
C. show chassis state
D. show services alarms

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Question # 16

What is the purpose of a network mask? 

A. It is used in conjunction with the wildcard mask to determine the number of hosts on a network. 
B. It is used to define which parts of the IP address are allocated to host addresses and network prefixes. 
C. It is used to hide subnets from external networks by masking the subnets with NAT. 
D. It is used to differentiate a network as a classful network or a classless network. 

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Question # 17

There are three static routes in the routing table that need to be announced to your OSPF peers.  Which method is used to accomplish this?

A. Apply an import policy to OSPF that injects the static routes into OSPF.
B. Apply an import policy to the static routes that injects the static routes into OSPF.
C. Apply an export policy to the static routes that injects the static routes into OSPF.
D. Apply an export policy to OSPF that injects the static routes into OSPF.

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Question # 18

What represents the decimal equivalence of 01101110? 

A. 90 
B. 96 
C. 110 
D. 118

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Question # 19

Which CLI command do you use to determine which files are cleanup candidates?

A. request system storage cleanup candidates
B. request system services storage candidates
C. request system services candidate cleanup
D. request system storage cleanup dry-run

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Question # 20

You must segment your internal /24 network into a minimum of 12 subnets, each containing a minimum of 12 hosts. Which network mask do you use? 

A. /26 
B. /27 
C. /28 
D. /29 

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Question # 21

You issue the ping interface t1-1/1/0 bypass-routing count 1000 rapid command. Which statement is correct? 

A. The count parameter creates a counter that you can view with the show firewall command. 
B. The count parameter allows the router to count the number of pings for logging purposes. 
C. The count parameter allows the router to pause for 1000 seconds before sending out a ping. 
D. The count parameter allows the router to send out 1000 pings and then stop. 

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Question # 22

Which network mask is the equivalent of 255.255.248.0?

A. /20
B. /21
C. /22
D. /23

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Question # 23

Exhibit --user@router# run show interfaces terseInterface Admin Link Proto Localfe-0/0/0 up upfe-0/0/0.0 up upinet 10.0.39.2/24isomplsfe-0/0/1 up upfe-0/0/1.0 up upinet 10.0.18.2/24fe-0/0/1.5 down up inet 10.0.19.2/24-- Exhibit --An administrator is unable to ping any address on the 10.0.19.0/24 subnet. To identify theproblem, the administrator uses the command shown in the exhibit.Which step should be taken to solve the problem?

A. Check the physical cable.
B. Issue the command activate interfaces fe-0/0/1.5.
C. Issue the command delete interfaces fe-0/0/1.5 disable.
D. Reconfigure the IP address.

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Question # 24

What are three benefits of class of service? (Choose three.)

A. It can make a slow network faster.
B. It can prioritize latency-sensitive traffic.
C. It can eliminate congestion.
D. It can control congestion.
E. It can allocate bandwidth for different classes of traffic.

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Question # 25

-- Exhibit --[editsnmp]user@router# showcommunityCommunityA {authorization read-only;clients {192.168.1.0/28;}}trap-groupgroupA {categories {link;}targets {192.168.100.1;192.168.200.1;}}-- Exhibit --Referring to the exhibit, what is the purpose of the targets section of the configuration?

A. It defines which devices will be sending traps.
B. It specifies where to send traps. 
C. It defines the IP addresses of management systems that can access the device.
D. It specifies which devices can be polled for SNMP data.

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