25 December, 2019

Junos, Associate (JNCIA-Junos) JN0-102 Item Pool

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Total 419 questions Full Exam Access

Question 1

On which operating system is the Junos OS based?

ScreenOS

Solaris

FreeBSD

HP-UX

Question 2

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

IP address

MAC address

protocol

port

session ID

Question 3

By default, what are three valid routing tables? (Choose three.)

inet.0

inet4.0

inet.6

inet6.0

inet.3

Question 4

What represents the decimal equivalence of 01101110?

110

118

Question 5

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

reject

drop

permit

discard

Question 6

You are modifying the default route preference under the [edit protocols] hierarchy.
In which two routing information sources can you change the default preference value? (Choose two.)

local

OSPF

direct

BGP

Question 7

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

All users have their own active configuration.

All users have their own private candidate configuration.

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

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

Question 8

When attempting to view the OSPF routes in the routing table, you issue the command show route table inet.3 but no OSPF routes are displayed.
What is the problem?

The OSPF routes are located in the inet4.0 routing table.

The OSPF routes are located in the inet.0 routing table.

The OSPF routes are located in the inet.2 routing table.

The OSPF routes are located in the inet4.3 routing table.

Question 9

What are two reasons why a route might be hidden? (Choose two.)

route preference

routing loop

invalid next hop

routing policy

Question 10

-- Exhibit –
JN0-102 dumps 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.)

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

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

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

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

Question 11

Which statement describes the PFE?

The PFE controls the RE by providing Layer 2 and Layer 3 forwarding tables.

The PFE implements advanced services such as policing, stateless firewall filtering, and class of service.

The PFE sends traffic to the RE for systematic packet forwarding.

The PFE receives hardware and environmental status messages from the RE.

Question 12

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

end-to-end communications path

hosts on the same Layer 2 broadcast domain

hosts on the same Layer 3 broadcast domain

routing information on participating Layer 3 devices

Question 13

What are two purposes of a forwarding class? (Choose two.)

to identify traffic that should be dropped

to classify traffic

to identify traffic that should receive common treatment

to assign traffic to output queues

Question 14

-- Exhibit --
[edit interfaces ge-0/0/1] user@router# show
unit 100 {
vlan-id 100; family inet {
address 10.1.1.1 /24;
}
}
[edit interfaces ge-0/0/1] user@router# commit check [edit interfaces ge-0/0/1] 'unit 100'
Only unit 0 is valid for this encapsulation error: configuration check-out failed
-- Exhibit --
Referring to the exhibit, you are unable to commit the configuration for the ge-0/0/1 interface.
What must you do to commit the configuration?

You must set the vlan-tagging parameter under the [edit interfaces ge-0/0/1] hierarchy.

You must use the rename command to change unit 100 to unit 0.

You must set the encapsulation flexible-ethernet-services parameter under the [edit interfaces ge-0/0/1] hierarchy.

You must set the encapsulation vlan-ccc parameter under the [edit interfaces ge-0/0/1 unit 100] hierarchy.

Question 15

-- Exhibit --
[edit interfaces ge-0/0/6] user@router# show
unit 0 { family inet {
address 172.16.10.100/24; address 172.16.10.101/24;
}
}
You have two IP addresses configured on the ge-0/0/6 interface, as shown in the exhibit. You want to select the 172.16.10.101 address as the source address for packets sent from this interface to hosts on a remote subnet.
Which parameter would you add to the 172.16.10.101 address to complete this task?

broadcast

arp 172.16.10.101

preferred

primary

Question 16

After issuing the show interfaces terse command, you notice that the status of one interface is "up down". What does this indicate?

Layer 1 on the interface is up but Layer 2 is down.

Layer 2 on the interface is up but Layer 3 has not been configured.

The interface is administratively up but the link status is down.

The interface is up but has been administratively turned off.

Question 17

Which configuration causes RIP-learned routes to be advertised to other RIP neighbors?

set protocol rip no-passive

top edit policy-options policy-statement demoset term 1 from protocol ripset term 1 then accepttop set protocols rip group internal export demo

set protocols rip advertise in-out

top edit policy-options policy-statement demoset term 1 from active routesset term 1 then accepttop set protocols rip group internal export demo

Question 18

Which two commands are used during the password recovery process? (Choose two.)

clear system login

boot -s

recovery

delete system root-authentication

Question 19

What is correct regarding the configuration shown below?
static route 0.0.0.0/0 qualified-next-hop 172.30.25.1 preference 7 next-hop 172.30.25.5

The next-hop 172.30.25.1 is selected because the address has the lowest value.

The next-hop 172.30.25.1 is selected because it is listed first.

The next-hop 172.30.25.1 is selected because it is the lowest protocol preference.

The next-hop 172.30.25.5 is selected because it is the lowest protocol preference.

Question 20

Which two statements are correct about Layer 2 broadcast frames? (Choose two.)

Layer 2 broadcast frames are processed by all devices on the same VLAN.

Layer 2 broadcast frames are discarded by routers that connect to multiple VLANs.

Layer 2 broadcast frames are relayed by routers to all connected VLANs.

Layer 2 broadcast frames are relayed by switches to devices on the same VLAN.

Question 21

You must apply the family inet configuration parameter only to Gigabit Ethernet interfaces that are in FPC 2.
Which output applies to this configuration?

[edit groups]user@router# showge-int {interfaces {<ge-*> {unit 0 {family inet;}}}}

[edit groups]user@router# showge-int {interfaces {<*> {unit 0 {family inet;}}}}

[edit groups]user@router# showge-int {interfaces {<*-2/*/*> {unit 0 {family inet;}}}}

[edit groups]user@router# showge-int {interfaces {<ge-2/*> {unit 0 {family inet;}}}}

Question 22

Which directory does the Junos OS use to store syslog information by default?

/var/messages

/var/syslog

/var/tmp

/var/log

Question 23

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

request system storage cleanup candidates

request system services storage candidates

request system services candidate cleanup

request system storage cleanup dry-run

Question 24

Which two of the following items does a scheduler map associate with each other? (Choose two.)

Scheduler

BA Classifier

Forwarding class

Rewrite rule

Question 25

You are at the top of the hierarchy and must configure OSPF on interface so-0/0/0 unit 100. Which two achieve this result? (Choose two.)

set protocolssetospf area 0set interface so-0/0/0.100

set protocols ospf area 0 interface so-0/0/0.100

edit protocols ospf interface so-0/0/0.100

edit protocols ospf area 0set interface so-0/0/0.100

Question 26

What is the last usable IP address in the 218.6.0.0/17 network?

218.6.125.254

218.6.126.254

218.6.127.254

218.6.128.254

Question 27

Which statement is correct regarding IPv6 addresses?

An IPv6 address consists of 128 bits separated into eight 16-bit hexadecimal sections.

An IPv6 address consists of 64 bits separated into four 16-bit hexadecimal sections.

An IPv6 address consists of 128 bits separated into sixteen 8-bit hexadecimal sections.

An IPv6 address consists of 64 bits separated into eight 8-bit hexadecimal sections.

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Total 419 questions Full Exam Access