单项选择题
A.DDR3 B.DDR C.SDRAM D.DDR2
Which of the following is the FIRST thing a technician ...
单项选择题Which of the following is the FIRST thing a technician should do before putting their hand inside a computer case?（）
A. Acquire the appropriate tools that are going to be used. B. Touch the case to discharge static. C. Remove loose jewelry. D. Refer to manufacturer documentation.
Which of the following cable types is rated to be run t...
单项选择题Which of the following cable types is rated to be run through air ducts?（）
A.STP B.Plenum C.PVC D.UTP
Which of the following cable types is used to transmit ...
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
