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单选题 When considering the default behavior of Junos platforms, which statement is true about archiving configurations?()

A

A system log message is generated, confirming the transfer attempt.

B

The destination filename format can be altered by configuration.

C

The frequency the system archives the configuration cannot be changed.

D

An archive log is created to track transfer attempts, both failed and successful.

单选题 Which statement is true regarding syslog on Junos devices?()

A

No logging is enabled by default.

B

By default, the information is stored in a file named events.

C

Only the message severity level must be configured.

D

You can configure the router to send log messages to the console.

单选题 What does the command show | compare rollback 1 display?()

A

the difference between the current candidate configuration and the candidate configuration from one commit ago

B

the difference between the current active configuration and the current candidate configuration

C

the difference between the current active configuration and the active configuration from one commit ago

D

the difference between the current candidate configuration and the archived configuration from one commit ago

单选题 How do you write the current candidate configuration to the permanent storage media?()

A

[edit]   user@router# save /var/tmp/current.conf

B

[edit]   user@router# write /var/tmp/current.conf

C

[edit]   user@router# commit /var/tmp/current.conf

D

[edit]   user@router# dump /var/tmp/current.conf

多选题 Which two statements are correct about Layer 2 broadcast frames?()

A

Layer 2 broadcast frames are processed by all devices on the same VLAN

B

Layer 2 broadcast frames are discarded by routers that connect to multiple VLANs

C

Layer 2 broadcast frames are relayed by routers to all connected VLANs

D

Layer 2 broadcast frames are relayed by switches to devices on the same VLAN

多选题 By default, which two statements are true about export routing policies?()

A

Export policies can evaluate only active routes

B

Export policies can evaluate all routes

C

Export policies can be applied to the forwarding table

D

Export policies can be applied directly to interfaces

单选题 Which CLI mode allows you to make configuration changes?()

A

enable mode

B

configuration mode

C

operational mode

D

active mode

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