NF Post 2 : Domain Name System

2001586155sefira/ November 19, 2018/ Uncategorized/ 0 comments

What is DNS? Simply said, DNS is like the phonebook of the internet. It stores both domain names and IP addresses. DNS is the one that translate domain names (such as google.com, etc) to IP addresses, so the browser can load the resources online. So why’s DNS useful? It is because, with DNS, internet users don’t have to memorize complex

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NF Post 1 : OSI 7 Layers

2001586155sefira/ November 19, 2018/ Uncategorized/ 0 comments

About Layered Protocol Assume there are process A and B To prevent chaos, A and B have to agree on the meaning of the bits being sent If : Process A → Send message to B encoded in IBM’s EBCDIC character code Process B → Expect to received message encoded in ASCII communication will be less than optimal, many different

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