You configured the Flash Recovery Area （FRA） for your database. The database instance is running inARCHIVELOG mode. The default location for the archived redo log files is the Flash Recovery Area. Which twofiles are removed automatically if the space is required in the FRA as per the retention policy（） Flashback log files。 Backups that have become obsolete。 User managed backups of the data files and control files。 Archived redo log files that have multiple copies in a different archive location and not backed u。
Which two situations necessitate integration of external systems with IBM Tivoli Access Manager for Enterprise Single Sign-On using API published by IBM Tivoli Access Manager for Enterprise Single Sign-On IMS Server？（） to add second factor based authentication to a Web application。 to pre-populate user wallets with all their application credentials in one go。 to enhance out-of-the-box audit logging by creating custom audit log events。 to create reports from audit log trails collected by IBM Tivoli Access Manager for Enterprise Single Sign-On。 to configure automatic password change on expiry for an application so that the new password is a random string of specified strength。
估算重置成本可以选择物价指数法和重置核算法，两种方法的区别在于（）。 考虑的因素不同。 计算的过程不同。 建立的基础不同。 评估的结果不同。
锚杆注浆浆液通常选用灰砂比1∶1.5～1∶2的水泥砂浆或水灰比为0.6～0.65的纯水泥浆
电子合同的免责事由主要有（） 网络中断。 文件感染病毒。 C非因自己原因的网络中断。 非自己原因引起的电子错误。
Given:
Which statement is true?（）
