Master Juniper JN0-102 Exams with Exam Questions & Study Materials, Juniper JNCIA-Junos Certification

Question #1

Which user authentication method is supported by the Junos OS as a last resort alternative?

A. TACACS+

B. RADIUS

C. local user database

D. enable password

View answer

Correct Answer: C

Question #2

Which network mask is the equivalent of 255.255.248.0?

A. /20

B. /21

C. /22

D. /23

View answer

Correct Answer: C

Question #3

-- 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

A. 192

B. 192

C. 192

D. 192

View answer

Correct Answer: AD

Question #4

What are three firewall filter terminating actions? (Choose three.)

A. accept

B. log

C. reject

D. discard drop

View answer

Correct Answer: B

Question #5

You have been asked to configure a login class that will permit its users to view and edit the configuration. The class should allow a user to view the entire configuration, but only to edit the interfaces, routing-options, and protocols hierarchies. Which configuration accomplishes this login class?

A. permissions [ view-configuration clear network view ]; allow-configuration "(interfaces) | (routing-options) | (policy-options) | (protocols)";

B. permissions [ view-configuration clear network view ]; allow-commands "(configure)";

C. permissions [ view-configuration clear network view ]; allow-commands "(configure)"; allow-configuration "(interfaces) | (routing-options) | (protocols)";

D. permissions [ clear network view ]; allow- commands "(configure)"; allow-configuration "(interfaces) | (routing- options) | (protocols)";

View answer

Correct Answer: A

Question #6

Which command will apply a policy to redistribute static routes into OSPF?

A. set protocols ospf import static-routes

B. set protocols ospf export static-routes

C. set routing-options static defaults readvertise

D. set routing-options static route 0

View answer

Correct Answer: C

Question #7

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

B. [edit] user@router# show | compare set | save /var/tmp/current

C. [edit] user@router# save /var/tmp/current

D. [edit] user@router# show | display set | save /var/tmp/current

View answer

Correct Answer: D

Question #8

Which statement is correct about policies in the Junos OS?

A. Export policies are used to filter routes from the RE forwarding table to the PFE forwarding table

B. Export policies are used to filter routes destined for the routing table

C. Export policies are used to filter routes being sent to neighboring devices

D. Export policies are used to filter traffic leaving the device

View answer

Correct Answer: BDE

Question #9

Which statement is true about the forwarding table?

A. The forwarding table is stored in the control plane only

B. The forwarding table is stored in the control plane and in the forwarding plane

C. The forwarding table contains both active and inactive routes

D. The forwarding table can contain only a single next hop per destination

View answer

Correct Answer: AD

Question #10

-- Exhibit -- [edit policy-options] user@router# show policy- statement my-policy { term 1 { from { route-filter 172.27.0.0/24 longer; } } then reject; } -- Exhibit -- Which statement is correct about the policy shown in the exhibit?

A. All routes are accepted

B. All routes are rejected

C. A 172

D. A 172

View answer

Correct Answer: A

Question #11

Which word starts a command to add configuration on a Junos device?

A. get

B. set

C. put

D. show

View answer

Correct Answer: B

Question #12

C. What is the default action for firewall filters?

A. accept

B. reject discard

D. log

View answer

Correct Answer: BC

Question #13

After editing to your device’s configuration, which command must you enter to activate the configuration changes?

A. set

B. copy candidate active

C. apply-config

D. commit

View answer

Correct Answer: C

Question #14

Which J-Web tab do you use to add licenses to the device?

A. "Configure"

B. "Troubleshoot"

C. "Monitor"

D. "Maintain"

View answer

Correct Answer: BC

Question #15

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

View answer

Correct Answer: B

Question #16

Which command do you use to navigate to [edit interfaces]?

A. cd interfaces

B. dir edit interfaces

C. edit interfaces

D. interfaces

View answer

Correct Answer: AC

Question #17

-- Exhibit -- inet.0: 4 destinations, 4 routes (4 active, 0 holddown, 0 hidden) + = Active Route, - = Last Active, * = Both 172.23.10.0/24 *[Direct/0] 21:59:56 >via ge-0/0/6.0 172.23.10.100/32 *[Local/0] 22:00:10 Local via ge-0/0/6.0 172.23.12.0/24 *[Static/5] 00:01:36 >to 172.23.10.1 via ge-0/0/6.0 172.23.15.0/24 *[Static/5] 00:01:36 >to 172.23.10.1 via ge-0/0/6.0 - - Exhibit -- Users are unable to access resources in the 172.23.14.0/24 subnet. Referring to the exhibit, which two actions would solve this p

A. Configure a separate routing instance

B. Configure a default static route

C. Configure a static route to 172

D. Configure the existing routes to resolve the indirect next hop

View answer

Correct Answer: AC

Question #18

What represents the binary equivalence of 207?

A. 11001111

B. 11101011

C. 11010111

D. 11010101

View answer

Correct Answer: D

Question #19

-- 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

A. 192

B. 192

C. 192

D. 192

View answer

Correct Answer: B

Question #20

Which two statements are true regarding routing policy processing? (Choose two.)

A. The Junos OS verifies the match criteria of each policy in order and performs the associated action when a match occurs

B. Policies are evaluated from right to left as displayed in the Junos OS configuration file

C. Polices are evaluated based on the order in which they are applied to a routing protocol

D. Policy processing stops once the last statement in the policy is evaluated

View answer

Correct Answer: C

Question #21

-- 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

A. 192

B. 192

C. 192

D. 192

View answer

Correct Answer: C

Question #22

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

View answer

Correct Answer: A

Question #23

Which command will allow you to quickly determine the administrative status of all interfaces on a Junos device?

A. show interfaces status

B. show interfaces summary

C. show interfaces terse

D. show interfaces admin

View answer

Correct Answer: ACD

Question #24

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

View answer

Correct Answer: C

Question #25

You receive an alarm that your Junos device is experiencing problems regarding temperature. Which two commands would you use to investigate this problem? (Choose two.)

A. show chassis hardware

B. show chassis temperature-thresholds

C. show chassis pic fpc-slot pic-slot

D. show chassis environment

View answer

Correct Answer: C

Question #26

-- Exhibit -- [edit firewall family inet filter input-filter] user@router# show term my-policy { from { source-address { 151.43.62.0/24; } } then { count; } } term else { then { discard; } } -- Exhibit -- Which two tasks are accomplished by the firewall filter shown in the exhibit? (Choose two.)

A. Traffic matching the my-policy term will be counted and accepted

B. Traffic matching the my-policy term will be counted and discarded

C. Traffic not matching the my-policy term will be discarded

D. Traffic not matching the my-policy term will be accepted

View answer

Correct Answer: C

Question #27

You have been asked to configure your MX240 with a default route toward your upstream ISP at IP address 192.168.100.1. Which command successfully completes this task?

A. user@router# set routing-options static route 0

B. user@router# set routing-options default route 0

C. user@router# set forwarding-options static route 0

D. user@router# set protocols default route 0

View answer

Correct Answer: BD

Question #28

-- Exhibit -- [edit routing-options] user@router# show static { defaults { metric 10; preference 10; } route 10.10.10.0/24 { next-hop 192.168.100.1; qualified-next-hop 192.168.200.1; preference 6; } metric 8; } } -- Exhibit -- Given the configuration shown in the exhibit, which statement is correct about traffic matching the route 10.10.10.0/24?

A. It will be forwarded to 192

B. It will be forwarded to 192

C. It will be forwarded to 192

D. It will be forwarded to 192

View answer

Correct Answer: AC

Question #29

-- Exhibit -- user@router> show configuration firewall familyinet { filter demo { term example { from { source-address { 100.100.100.0/24; } destination-address { 200.200.200.0/24; } } then { reject; } } term testing { from { source-address { 10.10.10.0/28; } destination-address { 200.200.200.0/24; } } then sample; } term results { from { address { 200.200.200.0/24; } } then accept; } term final { thenpolicer LAPD; } } } -- Exhibit -- Given the configuration shown in the exhibit, what will happen to traffic

A. The traffic will be rejected

B. The traffic will be dropped

C. The traffic will be forwarded

D. The traffic will be policed

View answer

Correct Answer: C

Question #30

Which operational command would you use to quickly verify the state of all interfaces?

A. show interfaces terse

B. show interfaces

C. show configuration interfaces

D. show interface status

View answer

Correct Answer: AD

Question #31

What are three valid match criteria in a firewall filter applied to a Layer 3 interface? (Choose three.)

A. IP address

B. MAC address

C. protocol

D. port

E. session ID

View answer

Correct Answer: A

Question #32

Which command do you use to display the messages seen during the last system boot?

A. show system boot-messages

B. show chassis messages

C. show file system boot-messages

D. show boot-log messages

View answer

Correct Answer: C

Question #33

What are two Junos processes? (Choose two.)

A. OSPF SPF daemon (ospfd)

B. SNMP daemon (snmpd)

C. BGP daemon (bgpd)

D. Routing protocols daemon (rpd)

View answer

Correct Answer: C

Question #34

Which two statements apply when a user has entered private configuration mode by typing configure private? (Choose two.)

A. All users have their own active configuration

B. All users have their own private candidate configuration

C. When a user commits, all nonconflicting changes made by all users are committed

D. When a user commits, only the user's own changes are committed

View answer

Correct Answer: B

Question #35

Which command do you use to go from the shell prompt to the CLI prompt?

A. run cli

B. cli

C. start cli

D. edit

View answer

Correct Answer: AC

Question #36

-- Exhibit -- [edit policy-options policy-statement my-policy] user@router# show term reject { then reject; } term match { from { protocolbgp; route-filter 10.10.10.0/24 exact; } } -- Exhibit -- Referring to the exhibit, you must move the match term above the reject term. Which command would accomplish this task?

A. set term match from policy reject

B. up 1 copy policy-statement my-policy term match to term before-reject

C. activate term match to policy

D. insert term match before term reject

View answer

Correct Answer: AC

Question #37

You have been asked to develop an application that uses only connection-oriented protocols. Which two protocols can you use? (Choose two.)

A. PPP

B. UDP

C. TCP

D. ICMP

View answer

Correct Answer: A

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