Use only the first address.
Try one address，selected at random.
Try each address，in order，until one succeeds.
Try each address，randomly，until one succeeds.
第1题：
our database instance is running. You are not able to access Oracle Enterprise Manager Database Control because the listener is not started.Which tool or utility would you use to start the listener?（）
第2题：
You want to administer your PROD database from a remote host machine using a Web-enabled interface. Which Oracle tool would you use to accomplish this task efficiently without using command-line interfaces？（）
第3题：
A. Oracle Net Manager
B. Listener Control utility
C. Database Configuration Assistant
D. Oracle Net Configuration Assistant
第4题：
You connected to the database using the following connection string： CONNECT hr/hr@test.us.oracle.com：1521/mydb Which three statements are correct regarding the connection string？（）
第5题：
Your application demands frequent connection and disconnection from the database. You have three listener processes that are listening for the database PROD. While setting up the connect string using Oracle Enterprise Manager 10g Database Control， which two options would you select to balance the connection load across all the listener processes？（）
第6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？（）
第7题：
While setting up an Oracle database for one of your critical applications， you want to ensure that the database is backed up at regular intervals without your intervention.What should you do to achieve the objective？（）
第8题：
You work as a database administrator for Certkiller .com. While granting a role，SELECT_CATALOG_ROLE， to a user， Certkiller， using Oracle Enterprise Manager 10g Database Control， you have cleared the DEFAULT check box. What will be the result？（）
第9题：
You have three databases， FINDB， PAYDB and ADMINDB， located in Sydney， Tokyo and Singapore respectively. You want to perform administrative tasks which include starting up and shutting down the databases， creating and managing tablespaces and database users， and taking regular backups， for all of the three databases from London. Which component must be enabled and running on each host machine to achieve your objective？（）
第10题：
You plan to use static database registration for a new listener when you create it. What could be the two reasons for this？（）