Oregon DPSST Security Professional Practice Test

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Which of the following is a critical factor in effective access control?

Having a single point of entry
Training all personnel but not enforcing guidelines
Regularly updating and reviewing access permissions
Limiting communication with other departments

The correct answer is: Regularly updating and reviewing access permissions

Regularly updating and reviewing access permissions is crucial for effective access control because it ensures that only authorized individuals have access to sensitive information and resources. This process allows organizations to respond to changes in personnel status, such as employees leaving the company or changing roles, which may require adjustments to access levels. Furthermore, routine reviews help identify any outdated permissions that may pose security vulnerabilities, thereby significantly enhancing the overall security posture of the organization. In contrast, having a single point of entry can help streamline access but may not address the broader scope of security needs. Training personnel without enforcement can lead to a gap between knowledge and compliance, which diminishes the overall effectiveness of security protocols. Lastly, limiting communication with other departments may lead to isolation and hinder the collaborative efforts necessary for maintaining an effective security environment. Regularly revisiting and updating access permissions provides a proactive approach to security management, making it an essential practice in access control.