Computer Science for IGCSE & O level - The Internet And Its Uses (Section 19 - No. 37)
Which of the following are ways a company can prevent unauthorized access to their data?
Install a firewall.
Use strong passwords.
Implement two-factor authentication.
Open all emails.
Explanation
The listed options (firewall, strong passwords, and two-factor authentication) are security measures that can prevent unauthorized access. Opening all emails is a bad practice and can lead to security breaches.
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