单项选择题
A. VPN
B. RIS
C. LDAP
D. RAS
单项选择题 Anadministratorinstallsanewserverwithfive146GBdrivesandimplementsRAID5forhardware redundancy.HowmuchdiskspacewillbeavailablefortheOS，toolsandregularfiles？（）
单项选择题 WhichofthefollowingistheBESTwaytoensurethatallusersreceiveamappingtomultipleshared drives？（）
单项选择题 Which of the following will attach to an EIDE connector?（）