What are user permissions?

Question

BlackTom AI · Accepted Answer

User permissions define which users can perform which actions on which resources, such as files, applications, printers, databases, or network shares.

1. Relevant knowledge points and concepts
- Access control: mechanisms that grant or deny user actions (authentication establishes identity; authorization assigns permissions).
- Permission types: common rights include read, write, execute, delete, and special privileges.
- Principle of least privilege: users should have only the minimum permissions needed to perform their tasks.
- Enforcement points: operating systems, directory services (e.g., Active Directory), file systems, and application access controls implement user permissions.

2. Step-by-step reasoning
- The phrase “user permissions” refers to settings that control access for each user account.
- These settings determine which data and resources each user can view or modify.
- Therefore, a correct description must link user-specific access control to data/resources on a network or system.

3. Calculations / intermediate steps
- Not applicable (this is a conceptual question).

4. Why the correct answer is correct
- Option a states that “User permissions are used to control access, for each user, to data and resources on a network.” This precisely matches the definition of permissions/authorization: mapping identities to allowed actions on resources. It emphasizes per-user control and protection of data/resources, consistent with access control concepts.

5. Why the other options are incorrect
- b: “Block unusual traffic” describes a firewall or intrusion prevention system, not user permissions.
- c: “Scan a network looking for malware” describes antivirus or network-scanning tools, not permissions.
- d: “Train users about acceptable network use” describes security awareness training, not the technical access-control mechanism of permissions.

6. Conclusion
- Based on access-control definitions and the distinctions above, the correct answer is a. User permissions are used to control access, for each user, to data and resources on a network. This matches the provided answer.

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