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2017 July Juniper Official New Released JN0-102 Q&As
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Junos, Associate (JNCIA-Junos)

QUESTION 91

Which statement describes transit traffic?

 

A.

Traffic addressed to the chassis that requires some form of special handling by the RE before it can be forwarded out an egress port.

B.

Traffic that enters an ingress port, is compared against the forwarding table, and is forwarded out an egress port.

C.

Any traffic that requires the generation of an ICMP message.

D.

Traffic that requires some form of special attention and does not pass through the device.

 

Correct Answer: B

 

 

QUESTION 92

Which statement describes the PFE?

 

A.

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

B.

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

C.

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

D.

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

 

Correct Answer: B

 

 

QUESTION 93

You are asked to configure real-time performance monitoring (RPM) between two Junos devices to track traffic in your network. Which two application traffic types can you track? (Choose two.)

 

A.

ICMP

B.

SNMP

C.

TCP

D.

HTTPS

 

Correct Answer: AC

 

 

QUESTION 94

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 <value> pic-slot <value>

D.

show chassis environment

 

Correct Answer: BD

 

 

QUESTION 95

Which two prefixes would summarize the networks shown below? (Choose two.)

 

192.168.1.0/24

 

< font face="Arial">192.168.2.0/24

 

192.168.3.0/24

 

A.

192.168.0.0/23

B.

192.168.0.0/22

C.

192.168.0.0/24

D.

192.168.0.0/21

 

Correct Answer: BD

 

 

QUESTION 96

Which action does the ping 172.18.1.1 size 5 command perform?

 

A.

It sends only five ping requests to the 172.18.1.1 destination.

B.

It sends a continuous ping with a packet length of five bytes to the 172.18.1.1 destination.

C.

It sends five rapid ping requests to the 172.18.1.1 destination.

D.

It sends a continuous rapid ping with a packet length of five bytes to the 172.18.1.1 destination.

 

Correct Answer: B

 

 

QUESTION 97

Which two statements are true regarding the use of NTP clock synchronization? (Choose two.)

 

A.

The Junos OS supports client, server, and symmetric modes of NTP operation.

B.

Synchronized time on all network devices makes log messages more useful for troubleshooting.

C.

Authentication methods are not supported.

D.

The Junos OS must be used as the primary time reference.

 

Correct Answer: AB

 

 

QUESTION 98

You are asked to change the cable on interface ge-2/1/3. Which statement is correct?

 

A.

The cable is found on FPC 1, slot 3, and port 2.

B.

The cable is found on slot 1, port 2, and FPC 3.

C.

The cable is found on port 3, FPC 2, and slot 1.

D.

The cable is found on FPC 1, slot 2, and port 3.

 

Correct Answer: C

 

 

QUESTION 99

Which routing instance type is used to facilitate filter-based forwarding?

 

A.

VRF

B.

FBF

C.

forwarding

D.

no-forwarding

 

Correct Answer: C

 

 

QUESTION 100

Which two statements describe the forwarding table in the Junos OS? (Choose two.)

 

A.

The forwarding table contains all known routes.

B.

The forwarding table stores a subset of information from the routing table.

C.

Junos devices use the forwarding table to compare incoming packets against existing entries to determine the next hop.

D.

If multiple matches exist, the forwarding table uses the least-specific entry to forward packets toward the destination.

 

Correct Answer: BC

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