單項(xiàng)選擇題

Which of the following is a secure method of remote access via command line?（）

A.RCP
B.Telnet
C.RSH
D.SSH

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單項(xiàng)選擇題
An administrator is using a protocol analyzer to monitor traffic between two servers. However, the only traffic that appears is broadcast and traffic originating from the administrator's PC.
Which of the following devices is the administrator plugged into? （）
A.Hub
B. Bridge
C. Switch
D. Router
單項(xiàng)選擇題
A network technician is installing a new managed 10/100 Mbps switch on the network. The network has an older printer with a 10Mbps network adapter that will be moved to the new switch.
Which of the following settings on the switch will need to be configured to support the printer?（）
A. MAC filtering
B. IP address
C. PoE
D. Port speed

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