What is the purpose of the subnet mask in conjunction with an IP address?
- to mask the IP address to outsiders
- to determine the subnet to which the host belongs
- to identify whether the address is public or private
- to uniquely identify a host on a network
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Explanation: With the IPv4 address, a subnet mask is also necessary. A subnet mask is a special type of IPv4 address that coupled with the IP address determines the subnet of which the device is a member. |