单选题You work as a database administrator for Supportcenter.cn. When you tried to connect to the database， you received the following error：   ERROR：   ORA-12541：TNS：no_listener   You found that the listener is not running on the server， so you issued the f

第1题：

You work in a company which is named Wiikigo Corp. The company uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance. There is a database named Dworks in the instance. The Dworks database has the Products table. Now you have to replicate the Products table to the SQL Server instances at remote locations, so you create a Merge Replication topology and a Publication to do this. The Publication has a 21-day retention period. There is a user who goes on a business trip, 30 days later he comes back and finds that data in his database is not the latest. The Windows Event log states the following error message: "Replication: expired subscription dropped." You must get the latest data in the user's database and make sure that future data changes are appropriately replicated. So what action should you perform to achieve this goal? （） 

• A、You should recreate the publication 
• B、You should upload unsynchronized changes. 
• C、You should reinitialize the publication and generate a new snapshot at once. 
• D、You should upload unsynchronized changes, and then reinitialize the publication

第2题：

You work as a database administrator for Supportcenter.cn. You want to administer your database servers， which are running on different host machines， using the Web-enabled grid control interface. You have configured the agent on the host machines. You have started the Oracle Database 10g Grid Control utility on your machine. Which two additional components would you configure to achieve this objective？（）

• A、Application Server Control
• B、Oracle Management Service
• C、Oracle Enterprise Manager Repository
• D、Oracle Enterprise Manager Database Control

第3题：

You work as a database administrator for Supportcenter.cn. You received the following error while working on your database： ORA-01555： snapshot too old ，In which situation would you receive such an error？（）

• A、You performed rollback after commit.
• B、If a log switch occurs in your database.
• C、Thearchiverfails to generate an archived log file.
• D、Instance recovery fails to find one of the redo log files.
• E、A long-running query is unable to get read-consistent image.
• F、If you perform manual undo management operations in auto mode.

第4题：

You work as a database administrator for Supportcenter.cn. You decided to manage client and server connections using Local Naming method in Supportcenter.cn. When you try to connect to the database you get the following error： ERROR：   ORA-12154：TNS：couldnot resolve service name   Which network configuration files would you look into to resolve this error？（）

• A、snmp.ora
• B、names.ora
• C、spfile.ora
• D、sqlnet.ora
• E、listener.ora
• F、tnsnames.ora

第5题：

You are a professional level SQL Server 2005 database administrator in an international corporation named Wiikigo. You are experienced in implementing high-availability solutions， monitoring the database server， and design deployment. In the company， you major job is the deployment， maintenance and support of Microsoft SQL Server 2005. You work as the database administrator for your company. You find a problem that there are three reports which are running slowly. And through detailed analysis， you conclude that no error messages are generated from these reports. Not only the indexing strategy but also the status of the current indexes is tested by you. You confirm that the slow performance of the financial reports is not caused by it. Since you are the technical support， you are required to find out which statement is causing the slow performance. Which action should be performed first？（）

• A、SQL Server Profiler should be run with the Lock：Deadlock event class.
• B、The Database Engine Tuning Advisor （DTA） f should be run or at least one hour.
• C、SQL Server Profiler should be run with the TSQL_Duration template.
• D、The Database Engine Tuning Advisor （DTA） should be run with the default options.

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第13题：

You work as a database administrator for Supportcenter.cn. When you tried to connect to the database， you received the following error：   ERROR：   ORA-12541：TNS：no_listener   You found that the listener is not running on the server， so you issued the following command in the Listener Control utility to start the listener.   lsnrctl>START   What statement is true？（）

• A、It would attempt to start the default listener
• B、It would start the most recently created listener.
• C、It would display an error with a message asking for the listener name to be specified.
• D、It would show you a list of listeners and prompts for the listener name that you want to start.

第14题：

You work as a database administrator for Supportcenter.cn. Client connection requests are failing because the listener is not responding. You want to forward client connect requests to another listener if one listener is not responding. How do you achieve this？（）

• A、Enable instance failover
• B、Configure shared server
• C、Enable database failover
• D、Enable connect-time failover
• E、Enable Transparent Application Failover （TAF）

第15题：

You work as a database administrator for Certkiller .com. When you tried to connect to the database， you received the following error： ERROR：  ORA-12541：TNS：no_listener  You found that the listener is not running on the server， so you issued the following command in the Listener Control utility to start the listener.  lsnrctl>START  What statement is true？（）

• A、It would attempt to start the default listener
• B、It would start the most recently created listener.
• C、It would display an error with a message asking for the listener name to be specified.
• D、It would show you a list of listeners and prompts for the listener name that you want to start.

第16题：

You work as a database administrator for Certkiller .com. You decided to manage client and server connections using Local Naming method in Certkiller .com. When you try to connect to the database you get the following error： ERROR：  ORA-12154：TNS：couldnot resolve service name  Which network configuration files would you look into to resolve this error？（）

• A、snmp.ora
• B、names.ora
• C、spfile.ora
• D、sqlnet.ora
• E、listener.ora
• F、tnsnames.ora

第17题：

You work as a database administrator for Supportcenter.cn. You enabled tracing while creating a listener to your database. What additional information is available to you when you enable tracing？（）

• A、Information about each Oracle Net connection.
• B、Information about each entry in theLinstener.orafile
• C、Information about the changed done in the database
• D、Information about the different listeners in your system
• E、Information about all thenondatabasefiles required to operate the database

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