单项选择题

Which of the following is best practice when installing memory into a computer?（）

A. Install memory modules in pairs.
B. Insure the proper drivers are installed for best performance.
C. Apply thermal grease to insure proper seating.
D. Wear an anti-static wrist strap.

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单项选择题

A laptop will not output to a connected projector. Which of the following steps should a technician take FIRST?（）

A. Press the appropriate function + monitor key.
B. Adjust the BIOS settings for external display.
C. Replace the video card on the laptop.
D. Update video drivers for the video card.

单项选择题

Which of the following network cable types is MOST often used in environments where physicalsecurity of the data is the top priority?（）

A. UTP
B. Coaxial
C. Fiber optic
D. STP

单项选择题

Which of the following is correct about differences in CAT5 and CAT6 connectors?（）

A. CAT5 connectors have locking tabs
B. CAT5 and CAT6 use the same connectors
C. CAT6 supports three different wiring standards
D. CAT6 connectors are longer for better contact