单项选择题
Which of the following standards or encryption types is the MOST secure for wireless networking?（）
A.WEP B.AES C.TKIP D.DES
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?（）
单项选择题 Which of the following devices replicates and passes data to all devices connected to it?（）
