题目内容

WhichofthefollowingstatementsaboutaSalesCatalogisTRUE?()

Astorecanonlyhaveonesalescatalog.
B. Asalescatalogisusedtobundlesimilarproducts.
C. Asalescatalogmaybeusedtoplaceaproductinmorethanonecategory.
D. Everystoremusthaveasalescatalog.

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Acustomerneedsmaximumperformancewithfault-tolerancefromtheirdisksubsystem.WhichRAIDlevelmeetsthisrequirement?()

A. RAID-0
B. RAID-1
C. RAID-5
D. RAID-10

如何预防龋齿?()

A. 注意口腔卫生
B. 勤洗手
C. 多晒太阳,注意营养
D. 定期口腔检查

被后人称为”宣传研究之父“的著名学者是()

A. 拉扎斯菲尔德
B. 拉斯韦尔
C. 霍夫兰
D. 戈尔丁

The system administrator has requested that all setuid/setgid bits be removed from executables in application filesystem. Which command will achieve this?()

A. chmod -R o-s /application
B. chmod -R ug-s /application
C. chmod -R -s -o /application
D. chmod -R -s -ug /application

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