单项选择题
Which of the following cable types is used to transmit data from a satellite dish to the satellite modem?（）
A.CAT5e B.CAT3 C.Fiber D.RG-6
单项选择题 Which of the following standards or encryption types is the MOST secure for wireless networking?（）
单项选择题 Which of the following is MOST critical when installing a new processor in an existing system?（）
单项选择题 Which of the following RAID types is known as only mirroring?（）
