单选题Examine the following command:ALTER SYSTEM SET enable_ddl_logging=FALSE;Which statement is true?（）A None of the data definition language (DDL) statements are logged in the trace file.B Only DDL commands that resulted in errors are logged in the alert l

第1题：

第2题：

You are the newly appointed system administrator at Certkiller.com. The previous administratorcreated a Microsoft ASP.NET application using Microsoft .NET Framework v3.5.  You need to capture the timing and performance information of the application. Managementwants you to make sure that data is only accessible when a client is logged onto the Web servernot the individual Web pages.  What should you do？（）

• A、You should consider adding <compilation debug="true" /> to the Web.config file.
• B、You should consider adding <compilation debug="false" urlLinePragmas="true" /> to theWeb.config file.
• C、You should consider adding <trace enabled="true" writeToDiagnosticsTrace="true"pageOutput="true" localOnly="true" /> to the Web.config file.
• D、You should consider adding <trace enabled="true" pageOutput="false" localOnly="true" /> tothe Web.config file.

第3题：

第4题：

Examine the following command:ALTER SYSTEM SET enable_ddl_logging=FALSE;Which statement is true?（）

• A、None of the data definition language (DDL) statements are logged in the trace file.
• B、Only DDL commands that resulted in errors are logged in the alert log file.
• C、A new log.xml file that contains the DDL statements is created, and the DDL command details are removed from the alert log file.
• D、Only DDL commands that resulted in the creation of new database files are logged.

第5题：

Which of the following commands will show the users that are logged on a system ?（）

• A、id
• B、who
• C、whois
• D、lsuser

第6题：

When does a transaction complete?（）

• A、when a DELETE statement is executed 
• B、when a ROLLBACK command is executed 
• C、when a PL/SQL anonymous block is executed 
• D、when a data definition language (DDL) statement is executed 
• E、when a TRUNCATE statement is executed after the pending transact ion

第7题：

Which of the following commands should be used to watch system errors as they are logged？（）

• A、 errpt -c
• B、 tail -f /var/adm/ras/errlog
• C、 syslogd -d
• D、 /usr/lib/errdemon -s 8192

第8题：

第9题：

Which of the following commands can be used to watch system errors as they are logged？（）

• A、 smit errpt
• B、 smit errdemon
• C、 smit alog
• D、 smit syslogd

第10题：

Examine the following command; ALTER SYSTEM SET enable_ddl_logging = TRUE; Which statement is true?（）

• A、Only the data definition language (DDL) commands that resulted in errors are logged in the alert log file.
• B、All DDL commands are logged in the alert log file.
• C、All DDL commands are logged in a different log file that contains DDL statements and their execution dates.
• D、Only DDL commands that resulted in the creation of new segments are logged.
• E、All DDL commands are logged in XML format in the alert directory under the Automatic Diagnostic Repository (ADR) home.