Web ServersDefinition – A web server is the hardware that makes it possible to provide web content accessible via the Internet. The most common use for a web server is to host websites, but there are also other uses such as gaming, storing data, and running business applications. What is it/what it does – A web server helps provide content that can be accessed via On the Internet, the most common use of a web server is to host websites, the function The main purpose of a web server is to respond to requests from people using HTTP. Example – Apache – known to play a key role in the growth of the World Wide Web, it is the most popular web server, serving over 100 million websites. This allows users to view one or more websites held on the server. IIS stands for Internet Information Services. It is a web server created by Microsoft and supports HTTP, HTTP, SFTP, FTPS, SMTP, NNTP. It listens for requests and returns the specific web page to the user. Mail Servers Definition – A mail server is a computer within a network that functions as a virtual post office. It consists of a storage area where email is stored for local users, a set of user-definable rules that determine how the server will react to the destination of the message, a database of user accounts so that mail goes to the write inbox. What it is/what it does A mail server is a server that receives email and works out which computer to send it to by browsing user accounts, then sends it to the correct address and only to this address so that no one else can see it. Example Microsoft Exchange is a mail server developed by Microsoft, it takes emails then searches through the addresses and sends them to the right middle of paper......e same and different types and also does translations to deal with different data addressing schemes. It injects packets into any network and delivers them to their destination independently of each other. Layer 1 of TCP/IP is network access, this layer includes wires, network interface cards, etc. Other related details in this layer are also the connectors, signal strength and wavelength, it uses the required LAN operating algorithms. It is also responsible for putting the data into a frame, the frame is the package that contains the data. HTTP - stands for Hypertext Transfer Protocol, it is an application protocol for disrupted, collaborative and hypermedia information systems. It is the basis of data communication for the web. It is the hypertext exchange/transfer protocol which is a structured text that uses logical links between nodes.