What is the purpose of a network mask?

Question

Options

• AIt is used in conjunction with the wildcard mask to determine the number of hosts on a network.
• BIt is used to define which parts of the IP address are allocated to host addresses and network prefixes.
• CIt is used to hide subnets from external networks by masking the subnets with NAT.
• DIt is used to differentiate a network as a classful network or a classless network.

• A
  11% (5)
• B
  80% (35)
• C
  2% (1)
• D
  7% (3)

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