Password is a(n)(71)series of characters that enables a user(72)a file, computer or program. On multi - user systems,(73)user must enter his or her password(74)the computer will respond to commands. The password helps ensure that unauthorized users do not access the computer. In addition, data files and programs may require a password.Ideally, the password should be something(75)could guess. In practice, most people choose a password that is easy to remember, such as their name or their initials. This is one reason it is relatively easy to break into most computer system.A．obviousB．secretC．importantD．easy
Password is a(n)(71)series of characters that enables a user(72)a file, computer or program. On multi - user systems,(73)user must enter his or her password(74)the computer will respond to commands. The password helps ensure that unauthorized users do not access the computer. In addition, data files and programs may require a password.
Ideally, the password should be something(75)could guess. In practice, most people choose a password that is easy to remember, such as their name or their initials. This is one reason it is relatively easy to break into most computer system.
A．obvious
B．secret
C．important
D．easy
相关考题：
● Every valid character in a computer that uses even （71） must always have an even number of1bits.（71）A. parity B. check C. test D. compare● The maximum number of data that can be expressed by 8 bits is （72） .（72）A. 64 B. 128 C. 255 D. 256● Integration （73） is the process of verifying that the components of a system work together as described in the program design and system design specifications.（73）A. trying B. checking C. testing D. coding● GIF files are limited to a maximum of 8 bits/pixel, it simply means that no more than 256 colors are allowed in （74） .（74）A. an image B. a file C. a window D. a page● Computer （75） is a complex consisting of two or more connected computing units, it is used for the purpose of data communication and resource sharing.（75）A. storage B. device C. network D. processor
A(72)consists of the symbols, characters, and usage rules that permit people to communicate with computer.A．programming languageB．networkC．keyboardD．display
YouwanttoimplementthebackupandrecoverystrategyinyourdatabaseusingRecoveryManager（RMAN）.YouhavechosenthecontrolfileofthetargetdatabasefortheRMANrepository.Whichcommand-lineRMANcommandwouldyouusetoestablishalocalconnectionbetweenRMANandtheRMANrepositoryifyourdatabaseisusingpasswordfileauthentication？（）A.rmanTARGET/NOCATALOGB.rmanTARGETsys/passwordC.rmanTARGETsys/passwordASSYSDBAD.rmanTARGETsys/password@db_nameCATALOGrman_user/rman_password@rcat
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，它拥有644的权限，如果user2用户想修改user1用户目录下的file1文件，应拥有()权限。A.744B.664C.646D.746
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
4、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"
以下那一个选项是查询数据方法：A．User.objects.filter(username='wangwu').get(pk=1)B．User.objects.filter(id=user_id).update(password='9999')C．User.objects.all().delete()D．User.objects.get(pk=user_id).delete()
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