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

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

单项选择题Which of the following would a technician MOST likely consider to avoid electrical shock with adecommissioned CRT?（）

A. Degaussing the monitor.
B. Destroying the tube.
C. Removing the plastic housing.
D. Disposing at a recycling center.

单项选择题Which of the following wireless technologies is primarily setup for video audio and the frequency is 5 GHz?（）

A.Cellular
B.802.11a
C.802.11b
D.Satellite

单项选择题A user cannot undock a laptop from the docking station. Which of the following is the MOST likely cause?（）

A. The laptop is not turned off
B. The power cable is not unplugged
C. The lock button is set to lock
D. The ACPI settings are configured improperly

单项选择题A user is printing pictures to the color laser printer and the bottom half of the picture is faded. The printer is displaying no errors. Which of the following is the MOST likely resolution to the problem?（）

A. Replace the printer ribbon.
B. Replace the pickup assembly.
C. Replace the fuser.
D. Replace the print head.