JN0-363 exam

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How does a Junos device learn about MAC addresses when II is first connected to an Ethernet LAN?

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How does a Junos device learn about MAC addresses when II is first connected to an Ethernet LAN?
A . The device sends out a network broadcast message asking tor all devices and MAC
addresses on the network and stores this information In addition lo the interface from which the response was received.
B. The device learns the destination MAC addresses from traffic in the network and stores this MAC address in addition to the interface from which the traffic was received.
C. The device learns the source MAC addresses from traffic in the network and stores this MAC address in addition to the interface from which the traffic was received.
D. The device sends out a network multicast message asking for all devices and MAC addresses on the network and stores this Information in addition to the interface from which the response was received.

Answer: D

Referring to the exhibit, what is the problem?

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Exhibit

You have configured graceful RE switchover (GRES), however you cannot complete the show system switchover command.

Referring to the exhibit, what is the problem?
A . The command is only available if non-stop routing is enabled.
B. The command is only available on the backup Routing Engine.
C. The command is only available If a backup router is configured.
D. The command is only available If graceful restart is enabled.

Answer: B

Referring to the exhibit, which two statements are correct?

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20.1.0/24

Referring to the exhibit, which two statements are correct? (Choose two.)
A . Devices in AS 65512 will prefer ISP A for traffic destined to the 172.20.21.0/24 network.
B. Devices In AS 65512 will prefer ISP A for traffic destined to the 172.20.0.0/24 network.
C. Devices in AS 65512 will prefer ISP B for traffic destined to the 172.20.21.0/24 network.
D. Devices In AS 65512 will prefer ISP B for traffic destined to the 172.20.0.0/24 network.

Answer: C

In this scenario, how is this task accomplished?

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Interface ge-0/0/0.0 connecls yout network to your ISP. You want to advertise this interface address as an Internal route In OSPF without creating a neighbor with your ISP.

In this scenario, how is this task accomplished?
A . Remove interface ge-0/0/0.0 from OSPF.
B. Create a generated route for Interface ge-0/0/0.0.
C. Add ge-0/0/0.0 as a passive interface In OSPF.
D. Configure a static route for Interface ge-0/0/0.0.

Answer: D