A user, who is authenticated externally, logs in to a remote machine and connects to the database
instance. What action would you take to ensure that a user cannot connect to the database instance by
merely logging in to a remote machine?
A.Set REMOTE_OS_ROLES to FALSE.
B.Set the OS_ROLES parameter to FALSE.
C.Set the REMOTE_OS_AUTHENT parameter to FALSE.
D.Set the REMOTE_LOGIN_PASSWORD_FILE parameter to NONE.
参数 REMOTE_OS_ROLES 指定操作系统角色是否被远程客户端允许
参数 OS_ROLES 定义了是由 Oracle 还是操作系统来验证和管理每个用户的角色。 TRUE 表示操作系统管理，FLASE 表示 Oracle 自身验证和管理角色。