3. Application Layer

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Module Objectives

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Application, Presentation, and Session Application Layer

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Peer-to-Peer Client-Server Model

Peer-to-Peer Peer-to-Peer Networks

Peer-to-Peer Peer-to-Peer Applications

Peer-to-Peer Common P2P Applications

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Web and Email Protocols HTTP and HTTPS

Web and Email Protocols Email Protocols

Web and Email Protocols SMTP, POP and IMAP

Web and Email Protocols SMTP, POP and IMAP (Cont.)

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IP Addressing Services Domain Name Service

IP Addressing Services DNS Message Format

IP Addressing Services DNS Message Format (Cont.)

IP Addressing Services DNS Hierarchy

IP Addressing Services The nslookup Command

IP Addressing Services Dynamic Host Configuration Protocol

IP Addressing Services DHCP Operation

IP Addressing Services Lab – Observe DNS Resolution

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File Sharing Services File Transfer Protocol

File Sharing Services Server Message Block

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Module Practice and Quiz What did I learn in this module?

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