单项选择题
One solution to major security problems is
(75)
, which are frequently installed to fix known security holes.
A.patches
B.compensations
C.complements
D.additions
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单项选择题
(74) is a clickable string or graphic that points to another Web page or document.
A.Link
B.Anchor
C.Browser
D.Hyperlink
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单项选择题
一个用户在一台名为“bnu.edu.cn”的邮件服务器上有一个账号“test”,则其邮件地址为()。
A.test@mail.bnu.edu.cn
B.test@bnu.mail.edu.cn
C.test@bnu.edu.cn
D.test@mail.edu.cn
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