多项选择题
Which three functions are available under the "Maintain" tab of J-Web?（）
A. download and delete log files
B. view real-time statics of interfaces
C. reboot the system
D. view and add licenses
E. edit security settings
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相关考题
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单项选择题
Which command do you issue to upgrade the current software on Junos devices?（）
A. request system software replace
B. request system software install
C. request system software add
D. request system software upgrade -
单项选择题
Which command do you use to identify the meaning of a syslog message?（）
A. help log messages
B. man log messages
C. man syslog
D. help syslog -
多项选择题
Two devices on an Ethernet segment sent frames at the same time causing a collision. Which twostatements are true?（）
A. Both devices stop transmiting, wait a random period of time, verify the wire is idle, and re-transmit
B. The device with the lowest MAC address is permitted to retrannsmit first
C. The device with the lowest MAC address sends a jam signal to notify all other devices of the collision
D. Both devices send a jam signal to notify all other devices of the collision
