多項(xiàng)選擇題

You work as a database administrator for Supportcenter.cn. You are working on Oracle Database 10g. To forward client connections to an instance， the listener must know information such as the name of the instance and where the instance’s ORACLE_HOME is located. How does the listener get this information？（）

A.It gets it from the parameter file.
B.The listener prompts for details on startup.
C.The listener gathers information from the control file.
D.The instance automatically registers with the default listener.
E.The listener gets this information through thelistener.orafile.

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單項(xiàng)選擇題

You work as a database administrator for Supportcenter.cn. While granting a role， SELECT_CATALOG_ROLE， to a user， SupportCenter， using Oracle Enterprise Manager 10g Database Control， you have cleared the DEFAULT check box. What will be the result？（）

A.The user cannot use the role at all.
B.The role would not be granted to the user.
C.The user needs to enable the role explicitly.
D.The user can start using the role immediately.
E.The user would have the admin option for the role.

單項(xiàng)選擇題

Exhibit， error
You work as a database administrator for Supportcenter.cn. When you try to connect to the database， you get an error （See exhibit）. What could be the possible reason for getting such an error？（）

A.Database is not open
B.Listener is not running
C.Service name is not correct
D.Wrong port number used in URL
E.Usersysdoes have themediaprivilege

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You work as a database administrator for Supportcenter.cn. While granting a role， SELECT_CATALOG_ROLE， to a user， SupportCenter， using Oracle Enterprise Manager 10g Database Control， you have cleared the DEFAULT check box. What will be the result？（）

Exhibit， error You work as a database administrator for Supportcenter.cn. When you try to connect to the database， you get an error （See exhibit）. What could be the possible reason for getting such an error？（）

You work as a database administrator for Supportcenter.cn. While granting a role， SELECT_CATALOG_ROLE， to a user， SupportCenter， using Oracle Enterprise Manager 10g Database Control， you have cleared the DEFAULT check box. What will be the result？（）

Exhibit， error
You work as a database administrator for Supportcenter.cn. When you try to connect to the database， you get an error （See exhibit）. What could be the possible reason for getting such an error？（）