Which of the following would BEST provide cooling to a processor?（）

单项选择题Which of the following should be done FIRST to a hard drive before it is disposed?（）

A. Partition
B. Physical damage
C. Data wipe
D. Format

单项选择题Which of the following has the HIGHEST connection latency? （）

A.Satellite
B.Cable
C.DSL
D.Dial-up

单项选择题Which of the following commands changes a file characteristic so that it cannot be seen with astandard directory query? （）

A. attrib file.txt +h
B. attrib file.txt +r
C. ren file.txt
D. attrib file.txt +s

单项选择题Which of the following attributes is set when a file is ready to be backed up?（）

A.a
B.h
C.r
D.s

多项选择题Which of the following Windows versions includes Windows Defender, by default?（）

A. Windows Vista Home Premium
B. Windows 2000 Professional
C. Windows XP Pro
D. Windows XP Pro x64
E. Windows Vista Pro