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
参考答案：A
