Match the column.

Match List I with List II

Codes

Correct option is D

The correct matches are:
· A. Spyware → II. Software that allows the user to gain information about another person's computer activity.
· B. Firewall → IV. Hardware or software designed to protect a network by controlling what data can and cannot enter.
· C. Bluetooth → I. Wireless technology used for transmitting data over short distances.
· D. Denial of service (DoS) → III. An attack on a network which involves flooding the network with useless traffic.
Information Booster:
1. Spyware is malicious software used to monitor user activity.
2. Firewalls are essential for securing networks by filtering traffic.
3. Bluetooth is a short-range wireless communication technology.
4. Denial of Service (DoS) attacks overwhelm a network with traffic to disrupt its normal operation.