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11gOCP精解 之 12

原创 Oracle 作者:jhon_lee 时间:2012-09-25 20:27:17 0 删除 编辑

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QUESTION NO: 12

Your database initialization parameter file has the following entry:

SEC_MAX_FAILED_LOGIN_ATTEMPTS=3

Which statement is true regarding this setting?

A. It drops the connection after the specified number of login attempts fail for any user.

B. It is enforced only if the password profile is enabled for the user.

C. It locks the user account after the specified number of attempts.

D. It drops the connection after the specified number of login attempts fail only for users who have the SYSDBA privilege.

Answer: A

Explanation:

 

SEC_MAX_FAILED_LOGIN_ATTEMPTS

 

Property

Description

Parameter type

Integer

Default value

10

Modifiable

No

Range of values

1 to unlimited

Basic

No

 

specifies the number of authentication attempts that can be made by a client on a connection to the server process. After the specified number of failure attempts, the connection will be automatically dropped by the server process.

 

正如以上的描述,这个参数指定了再一次客户端连接到服务器可以尝试的次数,一旦超过参数的设置数目,连接将被自动关掉因此答案选择A

 

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