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Juniper JNCIA JN0-102 exam pdf free download
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Juniper Networks Certification Program Tracks: https://www.juniper.net/us/en/training/certification/certification-tracks/
Latest Update Juniper JNCIA JN0-102 Online Exam Practice Questions
QUESTION 1
Which two external authentication methods are supported by the Junos OS for user authentication? (Choose two.)
A. RADIUS
B. KERBEROS
C. IPsec
D. TACACS+
Correct Answer: AD
QUESTION 2
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 0.0.0.0/0 next-hop 192.168.100.1
B. user@router# set routing-options default route 0.0.0.0/0 next-hop 192.168.100.1
C. user@router# set forwarding-options static route 0.0.0.0/0 next-hop 192.168.100.1
D. user@router# set protocols default route 0.0.0.0/0 next-hop 192.168.100.1
Correct Answer: A
QUESTION 3
— 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?
A. You must set the encapsulation vlan-ccc parameter under the [edit interfaces ge-0/0/1 unit 100] hierarchy.
B. You must set the vlan-tagging parameter under the [edit interfaces ge-0/0/1] hierarchy.
C. You must use the rename command to change unit 100 to unit 0.
D. You must set the encapsulation flexible-ethernet-services parameter under the [edit interfaces ge-0/0/1] hierarchy.
Correct Answer: B
QUESTION 4
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
Correct Answer: C
QUESTION 5
You must archive log messages for an extended period of time for audit and troubleshooting purposes. Which syslog
setting should you configure on the Junos device in this scenario?
A. severity
B. facility
C. host
D. console
Correct Answer: C
QUESTION 6
You need to control SSH, HTTP, and Telnet access to an MX240 router through any interface. You have decided to use
a firewall filter.
How should you apply the firewall filter?
A. as an outbound filter on interface fxp0
B. as an outbound filter on interface lo0
C. as an inbound filter on interface fxp0
D. as an inbound filter on interface lo0
Correct Answer: D
QUESTION 7
Which statement is correct regarding exception traffic on Junos devices?
A. The built-in rate limiter for exception Traffic is configured.
B. The Junos OS has a built-in rate limiter for exception traffic.
C. The Junos OS does not provide congestion control for exception traffic sent to the RE.
D. All exception traffic destined for the RE is sent over the out-of-band management link.
Correct Answer: B
QUESTION 8
— Exhibit -[edit policy-options]
user@router# show
policy-statement block-routes {
term 1 {
from {
route-filter 172.27.0.0/24 longer;
}
then reject;
}
term 2 {
then accept;
}
}
— Exhibit -You are asked to ensure that your device does not accept any prefixes within the 172.27.0.0/24 network. You
have applied the policy shown in the exhibit, but the 172.27.0.0/24 route is still present on your device.
Which configuration will resolve this problem?
A. [edit policy-options policy-statement block-routes]user@router# set term 1 from route- filter 172.27.0.0/24 orlonger
B. [edit policy-options policy-statement block-routes]user@router# set term 1 from route- filter 172.27.0.0/24 upto /30
C. [edit policy-options policy-statement block-routes]user@router# set term 2 from route- filter 172.27.0.0/24 longer
D. [edit policy-options policy-statement block-routes]user@router# set term 2 from route- filter 172.27.0.0/24 orlonger
Correct Answer: A
QUESTION 9
Which class-of-service component allows you to define the bandwidth allocated to different traffic types?
A. classification
B. rewrite marking
C. scheduling
D. queuing
Correct Answer: C
QUESTION 10
Which two loopback types are supported for serial interfaces on Juniper devices? (Choose two.)
A. Local
B. Far End
C. Remote
D. Bidirectional
Correct Answer: AC
For serial interfaces Juniper devices support the local and the remote loopback types.
References: http://www.juniper.net/documentation/en_US/junos12.3/topics/usage-guidelines/interfaces-interfacediagnostics.html
QUESTION 11
What are three characteristics of Layer 2 switches? (Choose three.)
A. Layer 2 switches forward broadcast traffic.
B. Layer 2 switches forward traffic addresses to hosts that reside on the same collision domain.
C. Layer 2 switches separate multicast domains.
D. Layer 2 switches separate collision domains.
E. Layer 2 switches forward traffic addressed to hosts that reside on a different collision domain.
Correct Answer: ABD
QUESTION 12
Which two statements are correct about the request system zeroize local command? (Choose two.)
A. The command removes all data files.
B. The command preserves the management interface addresses.
C. The command resets all key values.
D. The command removes all user-created files from the system.
Correct Answer: CD
QUESTION 13
What are three valid software release designations for the Junos OS? (Choose three.)
A. B
B. T
C. X
D. R
E. Z
Correct Answer: ACD
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