CertTree JNCIA-Junos certification JN0-102 practice test

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Share some JNCIA JN0-102 exam questions and answers below.
In the Junos OS, what handles transit traffic?
A. Transit traffic is handled by the RE only.
B. Transit traffic is handled by the PFE only.
C. Transit traffic is handled by both the RE and the PFE.
D. Transit traffic is not handled by the RE or the PFE.
Answer: B

Which two statements about MPLS label-switched paths (LSPs) are true? (Choose two.)
A. LSPs are bidirectional.
B. LSPs are unidirectional.
C. LSPs must follow the IGP's shortest path.
D. LSPs can follow paths other than the IGP's shortest path.
Answer: B, D

What is the decimal equivalent of 00000100?
A. 2
B. 4
C. 9
D. 12
Answer: B

-- Exhibit --
{master:0}[edit interfaces]
user@switch# show
me0 {
disable;
unit 0 {
familyinet {
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. delete me0 disable
B. activate me0
C. set me0 unit 0 enable
D. deactivate me0
Answer: A

What are three benefits of using IPv6? (Choose three.)
A. IPv6 supports a greater level of security by integrating features that were optional add-ons in IPv4.
B. IPv6 reduces administrative overhead using stateless address autoconfiguration for hosts.
C. IPv6 eliminates the need for private to public NAT using a large address pool.
D. IPv6 provides backward compatibility with IPv4 using the Next Header field.
E. IPv6 represents large IP addresses using dotted decimal notation.
Answer: A, B, C

What are two ways that packet fragmentation is handled differently between IPv6 and IPv4? (Choose two.)
A. End hosts determine the path MTU for IPv6.
B. End hosts determine the path MTU for IPv4.
C. Packet fragmentation occurs at intermediate nodes for IPv4.
D. Packet fragmentation occurs at intermediate nodes for IPv6.
Answer: A, C

Which layer in the TCP/IP model is responsible for delivering packets to their destination?
A. Application Layer
B. Transport Layer
C. Internet Layer
D. Network Access Layer
Answer: C


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.
Answer: C

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.
Answer: B

Topic 1, Volume A

The IP address 10.1.1.1 belongs to which class of IP address space?
A. Class A
B. Class B
C. Class C
D. Class D
Answer: A

What must you type to enter operational mode from the root@% command prompt?
A. exit
B. configure
C. edit
D. cli
Answer: D

What is a valid IPv6 address?
A. 00:05:85:23:45:67
B. 127.0.0.1
C. 2001:0db8:3000:2215:0000:0000: aaaa: 1111
D. 49.0001.0192.0168.1001.00
Answer: C

Which command prompt indicates that you are in operational mode?
A. user@router&
B. user@router#
C. user@router%
D. user@router>
Answer: D

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.
Answer: B

Which mode is used to allow only a single person to edit a configuration?
A. configure batch
B. configure private
C. configure exclusive
D. configure dynamic
Answer: C


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Created on Nov 6th 2017 20:26. Viewed 307 times.

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