1. What is the purpose of resource records in DNS? used by the server to resolve names 2. What are two forms of application layer software? applications syntax 3. What application layer protocol is commonly used to support for file transfers between a client and a server? FTP 4. What are two characteristics of peer-to-peer networks? decentralized resources resource sharing without a dedicated server 5. Which layer of the OSI model supplies services that allow user to interface with the network? application 6. What are three properties of peer-to-peer applications? acts as both a client and server within the same communication hybrid mode includes a centralized directory of files does not require specialized software 7. What is the role of the OSI application layer? provides the interface between the applications on either end of the network 8. What three protocols operate at the Application layer of the OSI model? DNS, SMTP, POP 9. Which email components are used to forward mail betwee...