Password is a secret series of(73) that enables a user to access a file, computer, or program. On multi-user systems, each user must enter his or her password before the computer will respond to(74). The password helps ensure that(75) users do not access the computer. In addition, data files and programs may require a password.A.symbolB.signC.charactersD.characteristic

Password is a secret series of(73) that enables a user to access a file, computer, or program. On multi-user systems, each user must enter his or her password before the computer will respond to(74). The password helps ensure that(75) users do not access the computer. In addition, data files and programs may require a password.

A.symbol

B.sign

C.characters

D.characteristic


相关考题:

● One of the basic rules of computer security is to change your (73) regularly.(73)A. nameB. computerC. deviceD. password

当前目录是/usr/meng,其下属文件prog/file.c的绝对路径名是()。A、/usr/meng/file.CB、/usr/file.CC、/prog/file.CD、/usr/meng/prog/file.C

当前目录是/usr/meng,其下属文件prog/file.c的绝对路径名是()。 A、/usr/meng/file.cB、/usr/meng/prog/file.cC、/prog/file.cD、/usr/file.c

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2、已知某系统登录的用户名和密码分别为"python"和"123456",则依次执行语句user=input("请输入用户名:")和password=input("请输入密码:")后,可通过以下哪个表达式对用户是否能成功登录进行判断:A.user=="python" password=="123456"B.user=="python" and password=="123456"C.user=="python" or password=="123456"D.user=="python" || password=="123456"

系统中有用户 user1 和 user2,同属于 users 组。在 user1 用户目录下有一文件 file1,其本身权限为 644,如果要允许 user2 用户修改 user1 用户目录下的 file1 文件,则应修改 file1 的权限为什么?()A.744B.664C.646D.746

已知某系统登录的用户名和密码分别为"python"和"123456",则依次执行语句user=input("请输入用户名:")和password=input("请输入密码:")后,可通过以下哪个表达式对用户是否能成功登录进行判断:A.user=="python" password=="123456"B.user=="python" and password=="123456"C.user=="python" or password=="123456"D.user=="python" || password=="123456"

下面选项中, user表的用户列包括A.Host列B.User列C.Password列D.email列