JN0-102 Free Practice Test

Which statement is true regarding syslog on Junos devices?

1. A. No logging is enabled by default.
2. B. By default, the information is stored in a file named events.
3. C. Only the message severity level must be configured.
4. D. You can configure the router to send log messages to the console.

Correct Answer: D

How does the PFE handle unicast transit traffic destined for an existing forwarding table entry?

1. A. It sends the traffic through one egress port toward its destination.
2. B. It sends the traffic through multiple egress ports to all available receivers.
3. C. It sends the traffic through an internal link to the RE.
4. D. It sends the traffic to the local system for further processing.

Correct Answer: A

Which two commands would you use to discard a candidate configuration? (Choose two.)

1. A. rollback
2. B. delete
3. C. delete 0
4. D. rollback 0

Correct Answer: AD

What are two routing requirements for a device to communicate with another device? (Choose two.)

1. A. end-to-end communications path
2. B. hosts on the same Layer 2 broadcast domain
3. C. hosts on the same Layer 3 broadcast domain
4. D. routing information on participating Layer 3 devices

Correct Answer: AD

Which two are correct when configuring an IP address for a Fast Ethernet interface? (Choose two.)

1. A. set interfaces fe-0/0/0 address 10.1.1.1/24
2. B. set interfaces fe-0/0/0.0 family inet address 10.1.1.1/24
3. C. set interfaces fe-0/0/0.0 address 10.1.1.1/24
4. D. set interfaces fe-0/0/0 unit 0 family inet address 10.1.1.1/24

Correct Answer: BD
D: The following configuration is sufficient to get a Fast Ethernet interface up and running. By default, IPv4 Fast Ethernet interfaces use Ethernet version 2 encapsulation.
[edit]
user@host# set interfaces fe-5/2/1 unit 0 family inet address local-address
B: You can alos omit the unit specification, here unit 0, and set the ip address through the command:
set interfaces fe-0/0/0.0 family inet address local-address
References: http://www.juniper.net/documentation/en_US/junos12.3/topics/example/interfaces-configuring-fast-ethernet-interfaces.html