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问题

The tnsnames.ora file has an entry for

The tnsnames.ora file has an entry for the service alias ORCL as follows:The TNS ping command executes successfully when tested with ORCL; however, from the same OS usersession, you are not able to connect to the database instance with the following command:SQL > CONNECT scott/tiger@orcl What could be the reason for this?（）

A The listener is not running on the database node.
B The TNS_ADMIN environment variable is set to the wrong value.
C The orcl.oracle.com database service is not registered with the listener.
D The DEFAULT_DOMAIN parameter is set to the wrong value in the sqlnet.ora file.
E The listener is running on a different port.

参考答案

参考解析：

分类：1Z0-060题库

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