11gOCP精解 之 12

jhon_lee發表於2012-09-25

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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,這個引數指定了再一次客戶端連線到伺服器可以嘗試的次數,一旦超過引數的設定數目,連線將被自動關掉因此答案選擇A

 

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