You are administering a database and you receive a requirement to apply the following restrictions:1. A connection must be terminated after four unsuccessful login attempts by user.2. A user should not be able to create more than four simultaneous sessions.3. User session must be terminated after 15 minutes of inactivity.4. Users must be prompted to change their passwords every 15 days.How would you accomplish these requirements?()
A. by granting a secure application role to the users
B. by creating and assigning a profile to the users and setting the REMOTE_OS_AUTHENT parameter to false
C. By creating and assigning a profile to the users and setting the SEC_MAX_FAILED_LOGIN_ATTEMPTS parameter to 4
D. By Implementing Fine-Grained Auditing (FGA) and setting the REMOTE_LOGIN_PASSWORD_FILE parameter to none.
E. By implementing the database resource Manager plan and setting the SEC_MAX_FAILED_LOGIN_ATTEMPTS parameters to 4.
第1题:
A、reserve
B、deserve
C、conserve
D、preserve
第2题:
此题为判断题(对,错)。
第3题:
Me,you是两个初始集合,则下列关于派生集合定义方式正确的是
A.link/me,you/:a;
B.link(me,you):a;
C.link/me you/a;
D.link(me,you)/a;
第4题:
– David, you've been losing your temper over nothing lately.– ( ).
A. I haven’t been getting much sleep either
B. You’d better not push yourself too hard, or you’ll get sick
C. I’m sorry. I shouldn’t have blown up like that
D. You’d better do exercises regularly
第5题:
第6题:
你最好控制一下上网聊天的时间。(汉译英)
A.You'd better set a limit for your online chat time.
B.You'd better set a limit on your online chat time.
C.You'd better set a limit on your online chatting time.
D.You'd better set a limit for your online chatting time.