[单选]

A financial customer has three data centers that are approximately five kilometers apart. Their SAP application data needs to be kept synchronized within 10 milliseconds between the three sites.
Which of the following solutions satisfies the customer's recovery time objective?（）

According to the datasheet published on the IBM website， the TS7610 ProtecTIER ApplianceExpress is ideal for：（） weekly full backups of 5 TB or less。 weekly full backups of 3 TB or less。 weekly full backups of 1.5 TB or less。 daily incremental backups of 3 TB or le。 Your organization decided to upgrade the existing Oracle 10g database to Oracle 11g database in a multiprocessor environment. At the end of the upgrade, you observe that the DBA executes the following script: SQL> @utlrp.sql What is the significance of executing this script?（） It performs parallel recompilation of only the stored PL/SQL code.。 It performs sequential recompilation of only the stored PL/SQL code.。 It performs parallel recompilation of any stored PL/SQL as well as Java code.。 It performs sequential recompilation of any stored PL/SQL as well as Java code.。 由于各种原因使结果与预期发生背离而导致的利益损失的可能性就是（） 风险。 危机。 灾害。 效果。 The customer has both AIX and Windows hosts and is complaining that their storage infrastructureis complex and distributed. They need to simplify backup and restore operations. What productshould the storage specialist be prepared to discuss with them?（） Softek 。 Tivoli Storage Manager FastBack 。 Tivoli Storage Manager 。 Tivoli Storage Productivity Center for Replicatio。 跳远按起跳后空中动作不同，分（）、（）和（）等姿势。

A financial customer has three data centers that are approximately five kilometers apart. Their SAP application data needs to be kept synchronized within 10 milliseconds between the three sites.
Which of the following solutions satisfies the customer's recovery time objective?（）