单项选择题 A basic cable tester can be used to do which of the following?（）

多项选择题 A technician is told to make 50 foot (15.24 meters) patch cables, and is given a spool of CAT6UTP cable and a bag of RG-45 connectors. Which of the following tools would BEST be used todo this task?（）

单项选择题 A laptop typically has a physical switch to disable which of the following features?（）