单项选择题

A technician needs to configure a computer with an external storage drive. Which of the following interfaces would provide the FASTEST throughput?（）

A.USB 2.0
B.eSATA
C.CAT5
D.FireWire

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单项选择题

Which of the following features would hide internal IP addresses from the Internet?（）

A. Network Address Translation
B. Port forwarding
C. Quality of Service
D. SSID broadcast

单项选择题

When a grounding strap is not available, a technician can ground by touching the computer’s:（）

A. power supply.
B. CPU fan.
C. memory chips.
D. motherboard.

单项选择题

Proper lifting technique for heavy items is:（）

A. to use gloves to pick up the item.
B. to squat and lift from the legs.
C. to have two people bend down and pick the item up.
D. to bend down and lift the item up.