What is a subnet mask and how and why it is used in conjunction with the IP address?

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What is a subnet mask and how and why it is used in conjunction with the IP address?
June 5, 2020 Comments Off on What is a subnet mask and how and why it is used in conjunction with the IP address? Uncategorized Assignment-help
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What is a subnet mask and how and why it is used in conjunction with the IP address?What is a port? Why is it usually not shown? What are some common default ports?