Chapter 16

Application Layer Services

Objectives

Upon completion of this chapter, you will be able to answer the following questions:

  • How do clients and servers interact?

  • What are common network applications?

  • How does DNS operate?

  • How do HTTP and HTML operate?

  • How does FTP operate?

  • How do Telnet and SSH operate?

  • How do email protocols operate?

Key Terms

This chapter uses the following key terms. You can find the definitions in the Glossary.

Domain Name System (DNS)

Dynamic Host Configuration Protocol (DHCP)

File Transfer Protocol (FTP)

Hypertext Markup Language (HTML)

Hypertext Transfer Protocol (HTTP)

Internet Message Access Protocol (IMAP)

Post Office Protocol (POP)

Secure Shell (SSH)

Simple Mail Transfer Protocol (SMTP)

Introduction ...

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