单项选择题 HowmanywirepairsareinastandardCAT6cable？（）

单项选择题 WhichofthefollowingwillattachtoanEIDEconnector？（）

单项选择题 A company has implemented a wireless network for its employees. Since implementing the new network, individuals have been receiving duplicate IP addresses causing network issues. Which of the following would resolve this issue?（）