Web ServerDefinition – A web server is hardware that helps deliver web content that can be accessed over the Internet. The most common use of a web server is to host websites, but there are also other uses such as gaming, data storage, and running business applications. What it is/what it does: A web server helps deliver content that can be accessed over the internet, the most common use of a web server is to host websites, the main function of a web server is to serve requests from people they use HTTP. Example: Apache, known to play a key role in the growth of the world wide web is the most popular web server, serving more than 100 million websites. This allows people to be able to see one or more websites contained on the server. IIS stands for Internet Information Services, it is a web server created by Microsoft that supports HTTP, HTTP, SFTP, FTPS, SMTP, NNTP. It listens for requests and returns the specific web page to the user. Email Server Definition: An email server is a computer within a network that functions as a virtual post office, it consists of a storage area where email for local users is stored, 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 inbox.What it is/What it doesAn email server is a server that receives email and works out which computer to send it to by scanning user accounts, then sends it to the correct address and only that address so no one else can see it. Example Microsoft Exchange is an email server developed by Microsoft takes emails then searches through addresses and sends them to the correct......half of paper......and same and different types and also performs translations to handle dissimilar data addressing schemes. It inserts packets into any network and delivers them to the destination independently of each other. Layer 1 of TCP/IP is network access, this layer includes cables, network interface cards, etc. Also other related details in this layer are connectors, signal strength and wavelength, uses the required LAN operating algorithms. It is also responsible for placing data within a frame, the frame is the packet that contains the data.HTTP - stands for hypertext transfer protocol, this is an application protocol for jammed, collaborative and hypermedia information systems. It is the foundation of data communication for the web. It is the protocol for exchanging/transferring hypertext which is structured text using logical links between nodes.