Biggie Logistics will receive goods from all over the world, and will need to communicate with numerous vendors and suppliers over the Internet. Mr$.$ Biggie would like an explanation of the Internet and the technologies related to its effective use and communication. Naturally, Biggie Logistics plans to communicate externally via email. Mr$.$ Big would like to know what type of network device would allow his internal staff to connect to an Internet Service Provider and a web based email hosting solution provider, so that they can receive email from customers.

$$ What exactly is the Internet? Explain to Mr$.$ Big what the Internet is$,$ compare it to an internetwork, and explain the role of an ISP. Describe and provide the function of a domain name, URL and browser. Finally, describe the domain name system $($DNS$)$ and the role the DNS hierarchy plays in the function of the Internet.

$$ What type of network device would allow his internal staff to connect to an Internet Service Provider and a web$-$based email hosting solution provider, so they can receive email from customers? Identify the device and its two common names and describe its functions at the packet level.