When does the warranty of the XIV Storage System start? （）

A、when the order is placed

B、when the product is shipped

C、when the product is delivered

D、when the product is installed

消毒后的内镜合格标准为细菌总数（）

A、≤10cfu／件

B、≤20cfu／件

C、≤30cfu／件

D、≤100cfu／件

E、≤200cfu／件

艾滋病诊疗操作不正确的是（）

A、皮肤发生破损，进行有可能接触患者血液、体液操作时必须戴双层手套

B、进行有可能接触患者血液、体液的、操作时必须戴手套

C、摘手套后立即洗手

D、使用后的锐器应当直接放入耐刺、防渗漏的利器盒

E、使用后的一次性针头重新套上针头套

You are in the middle of a transaction and very crucial data has been modified. Because of a hardware failure， the instance has shut down before synchronizing all the database files. Which two statements are true？（）

On startup， SMON coordinates instance recovery.

On startup， CKPT coordinates instance recovery.

On startup， use RMAN to perform instance recovery.

Uncommitted changes will be rolled back after the database is opened.

On startup， perform media recovery and then instance recovery.

On startup， all the files will be synchronized and you get both committed and uncommitted data.

You work in a data warehouse environment that involves the execution of complex queries. The current content of the SQL cache holds the ideal workload for analysis. You want to analyze only few most resource-intensive statements. What would be your suggestion to receive recommendations on the efficient use of indexes and materialized views to improve query performance？（）

A、Run the SQL Access Advisor.

B、Run the SQL Tuning Advisor （STA）.

C、Run the Automatic Workload Repository （AWR） report.

D、Run the Automatic Database Diagnostic Monitor （ADDM）.

A customer has a very large number of physical Windows-based servers and no centralized storage. Which technology solution will help the customer to reduce the footprint of their existing server estate?（）

A、z/OS, DS8000, TSM

B、TSM, LTO-5, VMware

C、System x, VMware, XIV

D、System p, VMware, DS5000