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Computer and Communication Networks by Nader F. Mir

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Chapter 9. Applications and Network Management

Having presented basic concepts and definitions in networking to the point that an end-to-end connection can be established, we now look at the last layer of the protocol stack—the application layer—and certain network-management issues. This chapter examines Internet applications and their supporting protocols and services. These services demonstrate how users perceive a computer network and express the power of Internet technology. This chapter focuses on the following topics:

Application-layer overview

Domain Name System (DNS)

Remote login protocols

Electronic mail (e-mail)

File transfer and FTP

World Wide Web (WWW) and HTTP

Network management

Layer 5, the application layer, determines ...

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