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單項(xiàng)選擇題

After making a long CAT5 cable, the technician fears that the cable may have been damagedduring the pull, but does not have a cable tester. Which of the following would be the BESTalternative tool to determine whether there are any breaks or shorts in the cable?（）

A. Multimeter
B. Voltmeter
C. Loopback plug
D. Toner probe

單項(xiàng)選擇題

After a technician replaces a laptop display, the technician now notices that the wireless no longer works. Which of the following would be the MOST likely cause？（）

A. The wireless switch was damaged during the display installation.
B. The network card has failed.
C. The new display is interfering with the wireless signal.
D. The antenna connector was not reconnected.