Which statement correctly explains Subnet mask?
- A. A system that translates human-readable domain names into IP addresses.
- B. A networking device that forwards data packets between different computer networks.
- C. A number that divides an IP address into network and host portions. ✓
- D. A network security device or software that monitors and filters incoming and outgoing traffic based on rules.
Correct answer
C. A number that divides an IP address into network and host portions.
Explanation
Subnet mask refers to a number that divides an IP address into network and host portions.