Final answer:
Security administrators carry out duties such as installing firewalls, updating user account information, monitoring data safety, and configuring passwords. Hence, all the options are correct.
Step-by-step explanation:
The duties of a security administrator include:
- Installing firewalls to protect a computer system from unauthorized access.
- Keeping user account information up to date, ensuring that only authorized users have access to the system.
- Continually monitoring the safety and security of the data stored on a computer system, identifying potential threats and taking necessary measures to prevent data breaches.
- Ensuring all users have passwords that are properly configured and align with security policies, minimizing the risk of unauthorized access.
By performing these duties, security administrators play a crucial role in maintaining the integrity and confidentiality of computer systems, protecting sensitive data from unauthorized access or misuse.