A. By using a firewall
B. By setting up a WAN
C. By encrypting all data store in the system
D. None of these
🧠 Explanation:
Using a firewall reduces computer access risks when connected to the internet by blocking unauthorized access and cyber threats. For cybersecurity or tech students, understanding firewalls highlights their role in digital security, making it a key topic for studying internet safety, network protection, and strategies for safeguarding online activities.
