Juniper Networks Certified Internet Associate, Junos (JNCIA-Junos) (JN0-102) Free Practice Test

Question 1

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

A. BA Classifier

B. Forwarding class

C. Scheduler

D. Rewrite rule

Correct Answer: B,C

Question 2

Which parameter must be included when executing operational mode commands from within configuration mode?

A. do

B. insert

C. prompt

D. run

Correct Answer: D

Question 3

Which statement is true about default route preferences?

A. RIP is lower than RIPng.

B. IBGP is lower than EBGP.

C. OSPF AS external is lower than OSPF internal.

D. Direct is lower that static.

Correct Answer: D

Question 4

Which statement is correct regarding exception traffic on Junos devices?

A. All exception traffic destined for the RE is sent over the out-of-band management link.

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. The built -in rate limiter for exception Traffic is configured.

Correct Answer: B

Explanation: Only visible for TestSimulate members. You can sign-up / login (it's free).

Question 5

Which statement is true regarding the Junos OS?

A. All platforms running the Junos OS use the same source code base.

B. All platforms running the Junos OS use FXP1 for communication between control and forwarding planes.

C. All platforms running the Junos OS use the IP2 processor for longest-match lookup.

D. All platforms running the Junos OS have identical factory-default configurations.

Correct Answer: A

Question 6

Which two statements are true of a network mask? (Choose two.)

A. A subnet mask specifies the portion of an IP address that represents network hosts.

B. A subnet mask specifies the portion of an IP address that is in a binary format.

C. A subnet mask specifies the portion of an IP address that is in a decimal format.

D. A subnet mask specifies the portion of an IP address that represents a network prefix.

Correct Answer: A,D

Question 7

-- Exhibit --
[edit routing-options]
user@router# show
static {
route 0.0.0.0/0 {
next-hop 10.1.1.1;
qualified-next-hop 10.1.1.254 {
preference 4;
}
}
}
-- Exhibit --
Assuming both paths shown in the exhibit are available, which statement is correct?

A. Traffic matching the default route will be load-balanced per flow across both next hops.

B. Traffic matching the default route will use 10.1.1.254 as the next hop.

C. Traffic matching the default route will use 10.1.1.1 as the next hop.

D. Traffic matching the default route will be load-balanced per packet across both next hops.

Correct Answer: B

Question 8

Which two fields are found in an Ethernet frame header? (Choose two.)

A. checksum

B. flags

C. type

D. TTL

Correct Answer: A,C

Question 9

Which layer in the TCP/IP model is responsible for delivering packets to their destination?

A. Network Access Layer

B. Internet Layer

C. Application Layer

D. Transport Layer

Correct Answer: B

Question 10

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.)

A. edit protocols ospf interface so-0/0/0.100

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

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

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

Correct Answer: B,D

Question 11

Two devices on an Ethernet segment sent frames at the same time causing a collision.
Which two statements are true? (Choose two.)

A. The device with the lowest MAC address is permitted to retransmit first.

B. The device with the lowest MAC address sends a jam signal to notify all other devices of the collision.

C. Both devices send a jam signal to notify all other devices of the collision.

D. Both devices stop transmitting, wait a random period of time, verify the wire is idle, and re-transmit.

Correct Answer: C,D

Question 12

Which three SONET network elements are used for troubleshooting? (Choose three.)

A. section

B. line

C. segment

D. circuit

E. path

Correct Answer: A,B,E

Explanation: Only visible for TestSimulate members. You can sign-up / login (it's free).

Question 13

By default, if equal-cost paths exist for the same destination, which action will the router take?

A. Make a copy of the traffic and send it to both destinations.

B. Randomly select one of the available paths to send traffic.

C. Drop half the traffic.

D. Load-balance traffic between the available paths.

Correct Answer: B

Question 14

What is the decimal equivalent of 10101010?

A. 170

B. 182

C. 180

D. 172

Correct Answer: A

Question 15

-- Exhibit --
{master:0}[edit interfaces]
user@switch# show
me0 {
disable;
unit 0 {
family inet {
address 10.1.1.10/24;
}
}
}
-- Exhibit --
Administrators report that they are unable to access the management interface of the EX Series device shown in the exhibit.
Which command will resolve this problem?

A. set me0 unit 0 enable

B. deactivate me0

C. activate me0

D. delete me0 disable

Correct Answer: D

Welcome to TestSimulate

Juniper Networks Certified Internet Associate, Junos (JNCIA-Junos) (JN0-102) Free Practice Test