What is the purpose of the subnet mask in IP addressing?

Practice Questions

Q1
What is the purpose of the subnet mask in IP addressing?
  1. To identify the network and host portions of an IP address
  2. To encrypt data packets
  3. To assign IP addresses dynamically
  4. To manage routing tables

Questions & Step-by-Step Solutions

What is the purpose of the subnet mask in IP addressing?
  • Step 1: Understand that an IP address is like a home address for a device on a network.
  • Step 2: Know that an IP address has two main parts: the network part and the host part.
  • Step 3: The subnet mask is a special number that helps to identify which part of the IP address is the network part and which part is the host part.
  • Step 4: The network part tells us which network the device belongs to.
  • Step 5: The host part tells us which specific device is on that network.
  • Step 6: By using the subnet mask, devices can communicate with each other within the same network.
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