What is a ‘Subnet mask’ used for?
ATo speed up internet connection
BTo identify a virus
CTo define the network portion of an IP address
DTo encrypt web traffic
Explanation
• Subnet masks help routers divide a larger network into smaller, manageable subnets.
• They distinguish between the network ID and the host ID.
• Essential for efficient network routing.
Exam Relevance
- Topic: Competitive Exams
- Subtopic: FPSC/PPSC/NTS Past Papers
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