Which of the following is NOT a key task for communication systems?

Limiting access to information is not typically considered a key task for communication systems. Communication systems are designed to facilitate the flow of information among stakeholders, ensuring that critical data and resources are shared effectively within an organization. The primary focus is usually on creating an open environment where information can be accessed and exchanged freely among authorized users.

In contrast, creating, communicating, and enforcing policies is essential to establish guidelines around how information is managed and shared. Complying with guidelines and regulations is crucial for ensuring that communication systems operate within legal and ethical standards. Regularly updating technology-based tools is also vital, as it ensures that the systems remain efficient, secure, and capable of meeting the evolving needs of the organization. Therefore, while limiting access to information may play a role in certain security contexts, it does not align with the primary objectives of communication systems, which emphasize collaboration and transparency.