Please enable JavaScript.
Coggle requires JavaScript to display documents.
5.2 explain Application Layer Protocol - Coggle Diagram
5.2 explain Application Layer Protocol
Application Layer
-Closest to the end user
-Used to exchange data between programs running on the source and destination hosts
Presentation layer function
-formatting data at the source device
-Compressing data
-Encrypting data
Session Layer Function
Create and maintain dialogs between source and destination application
Common P2P applications
-G2
-Bitcoin
-BitTorrent
-eDonkey
HTTP is a request/response protocol
Three common HTTP message type
-GET - A client request data
-POST - Uploads data files to the web server
-PUT - Uploads recourses or content to the web server
SMTP Operation
SMTP is used to send email
POP Operation
POP is used to retrieve email from a mail server
IMAP OPERATION
IMAP is used to retrieve mail from a mail server
File sharing service
i) File transfer Protocol
= File required two connection between the client and server, one for commands and replies
ii) Server Message Block
= SMB File-sharing and print services have become the mainstays of Microsoft networking
DHCP Operation
DHCP Client
-DHCPFFER
-DHCBACK
DHCP Server
-DHCPDISCOVER
-DHCPREQUEST