单选题View the Exhibit and examine the highlighted alert. You have received an alert with the Category specified as Snapshot Too Old. Which page would you open from the Advisor Central page to determine the system recommendations to avoid such alerts in futu

第1题：

第2题：

To view the results of the most recent Automatic SQL Tuning Advisor task, which sequence should you follow?（）

• A、EM Database home page, Software and Support, SQL Advisors, Automatic SQL Tuning Advisor.
• B、EM Database home page, Software and Support, Advisor Central, SQL Advisors, Automatic SQL Tuning Advisor.
• C、EM Database home page, Software and Support, Support Workbench, Advisor Central, SQL Advisors, Automatic SQL Tuning Advisor.
• D、Either B or C
• E、All of the above

第3题：

第4题：

To view the results of a manual SQL Tuning Advisor task, which steps should the DBA take?（）

• A、From the Advisor Central home page, select the tuning task from the Advisor Tasks section.
• B、From Advisor Central, choose SQL Advisors, SQL Tuning Advisors, Manual Tuning Task Results.
• C、From Advisor Central, choose SQL Advisors, Manual SQL Tuning Advisors, Tuning Task Results.
• D、Either B or C

第5题：

While running long running queries， you receive the Snapshot too old error. Which advisor can help you to avoid the Snapshot too old error？（）

• A、 Memory Advisor
• B、 Segment Advisor
• C、 Undo Advisor
• D、 SQL Tuning Advisor

第6题：

You work as a Web Developer at Certkiller.com. You are in the process of creating a Webapplication using Microsoft ASP.NET 3.5.  You create a folder named Dark in the App_Themes folder of the Web application. You also addfour skin files to this folder. You have to make sure that the controls on a page have their appearances overridden by the control definitions defined in the skin files. What should you do？  Which Page directive should you use？（）

• A、You should use the page directive: <%@ Page StyleSheetTheme="App_Themes.Dark"/>
• B、You should use the page directive: <%@ Page Theme="App_Themes.Dark"/>
• C、You should use the page directive: <%@ Page Theme="Dark"/>
• D、You should use the page directive: <%@ Page StyleSheetTheme="Dark"/>

第7题：

You are maintaining the SALES database for eSoft Corporation. You have not configured ASMM on the database. You want to know what size of the SGA will provide the best performance.  Which advisor would you use to determine the suitable size of the SGA？（）

• A、 SQL Tuning Advisor
• B、 Undo Advisor
• C、 ADDM
• D、 Memory Advisor

第8题：

第9题：

View the Exhibit to examine the output of the DBA_OUTSTANDING_ALERTS view. After 30 minutes， you executed the following command：  SQL> SELECT reason，metric_value FROM dba_outstanding_alerts； REASON         METRIC_VALUE  ------------------------------------------------------------  ------------  Tablespace [TEST] is [28 percent]full  28.125  What could be the reason for the elimination of the other rows in the output（）

• A、An Automatic Workload Repository snapshot has been taken recently.
• B、The non-threshold-based alerts are transferred to DBA_ALERT_HISTORY.
• C、The threshold alerts conditions are cleared and the alerts are transferred to DBA_ALERT_HISTORY.
• D、The threshold alerts related to database metrics are permanently stored in DBA_ALERT_HISTORY but not the threshold alerts related to instance metrics.

第10题：

You define an alert to be raised when the USERS tablespace usage has reached 80% of the total space. Which area would you refer to， in order to confirm that the alert has been raised due the event？（）

• A、the alert.log file
• B、the DBA_ALERTS view
• C、the Database Control Home page
• D、the Database Control performance page
• E、the Database Control Maintenance page