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?（） by granting a secure application role to the users。 by creating and assigning a profile to the users and setting the REMOTE_OS_AUTHENT parameter to false。 By creating and assigning a profile to the users and setting the SEC_MAX_FAILED_LOGIN_ATTEMPTS parameter to 4。 By Implementing Fine-Grained Auditing (FGA) and setting the REMOTE_LOGIN_PASSWORD_FILE parameter to none.。 By implementing the database resource Manager plan and setting the SEC_MAX_FAILED_LOGIN_ATTEMPTS parameters to 4.。
下列（）驱动方式不适合开孔机选用。 人工。 液压。 气压。 太阳能。
The EMP table exists in your schema. You want to execute the following query： SELECT ename， sal FROM emp AS OF TIMESTAMP （SYSTIMESTAMP - INTERVAL ’6’ MINUTE） WHERE ename = ’ALLEN’； What are the minimum requirements for the statement to execute successfully？（） ARCHIVELOG mode must be enabled。 Row Movement must be enabled for the table。 FLASHBACK must be set to ON for the database。 The UNDO_MANAGEMENT parameter must be set to AUTO。 The UNDO_RETENTION parameter must be set appropriately。
You execute the following command toauditdatabase activities： SQL>AUDITDROP ANY TABLE BY scott BY SESSION WHENEVER SUCCESSFUL； What is the effect of this command（） Oneauditrecord is created for every successful DROP TABLE command executed in the session ofSCOTT.。 Oneauditrecord is generated for the session when SCOTT grants the DROP ANY TABLE privilege toother users.。 One audit record is created for the whole session if user SCOTT successfully drops one or more tablesin his session.。 One audit record is created for every session of any other user in which a table owned by SCOTT isdropped successfully.。 One audit record is created for every successful DROP TABLE command executed by any user to droptables owned by SCOTT.。
公安机关应当将涉及家庭暴力的报案纳入（）报警服务受理范围，接到家庭暴力报案后，应当及时出警予以制止，并制作出警记录。 110。 119。 120。 121。
“一切有所作为都是那么卑鄙/一切无所作为都是那么优雅”出自诗歌（）。
