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Juniper Networks Certified Internet Associate, Junos (JNCIA- Junos)

Question No: 81 – (Topic 1)

In the Junos OS, what handles transit traffic?

  1. Transit traffic is handled by the RE only.

  2. Transit traffic is handled by the PFE only.

  3. Transit traffic is handled by both the RE and the PFE.

  4. Transit traffic is not handled by the RE or the PFE.

Answer: B

Question No: 82 – (Topic 1)

Which two statements about MPLS label-switched paths (LSPs) are true? (Choose two.)

  1. LSPs are bidirectional.

  2. LSPs are unidirectional.

  3. LSPs must follow the IGP#39;s shortest path.

  4. LSPs can follow paths other than the IGP#39;s shortest path.

Answer: B,D

Question No: 83 – (Topic 1)

What are two benefits of the modular design of the Junos OS? (Choose two.)

  1. Each module uses application-specific integrated circuits (ASICs).

  2. Each module runs in its own protected memory space.

  3. Each module can be individually restarted.

  4. Each module is supported across all Junos platforms.

Answer: B,C

Question No: 84 – (Topic 1)

Which statement is correct regarding the Junos OS?

  1. The same Junos OS image is used on all Junos devices.

  2. The Junos OS provides separation between the control and forwarding planes.

  3. Each Junos OS image is based on model-specific source code.

  4. The Junos OS creates a secondary instance of the kernel to ensure redundancy.

Answer: B

Question No: 85 – (Topic 1)

Which two statements are true regarding rescue configurations? (Choose two.)

  1. Once saved, a rescue configuration is loaded using the rollback 0 command.

  2. The rescue configuration must contain the minimal elements necessary to restore network connectivity.

  3. A minimal rescue configuration is defined by default.

  4. A rescue configuration must include a root password.

Answer: B,D

Question No: 86 – (Topic 1)

How many host addresses are available in the /28 network?

  1. 6

  2. 14

  3. 28

  4. 30

Answer: B

Question No: 87 – (Topic 1)

Which two design goals describe the Junos OS design? (Choose two.)

  1. clean separation of security and routing policies

  2. clean separation of control and forwarding planes

  3. modularization of multiple software processes

  4. a single hardware platform for all software applications

Answer: B,C

Question No: 88 – (Topic 1)

– Exhibit –

[edit interfaces ge-0/0/1] user@router# show

unit 100 {

vlan-id 100; familyinet { address /24;

}

}

[edit interfaces ge-0/0/1] user@router# commit check [edit interfaces ge-0/0/1] #39;unit 100#39;

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?

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

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

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

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

Answer: A

Question No: 89 – (Topic 1)

What are two ways that packet fragmentation is handled differently between IPv6 and IPv4? (Choose two.)

  1. End hosts determine the path MTU for IPv6.

  2. End hosts determine the path MTU for IPv4.

  3. Packet fragmentation occurs at intermediate nodes for IPv4.

  4. Packet fragmentation occurs at intermediate nodes for IPv6.

Answer: A,C

Question No: 90 – (Topic 1)

You are asked to configure the configuration archival feature on your Junos devices. Which two transfer methods are available? (Choose two.)

  1. TFTP

  2. FTP

  3. SCP

  4. SFTP

Answer: B,C

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