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Application Layer - Coggle Diagram
Application Layer
DHCP
automates the assignment of IPv4 addresses,
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for general purpose hosts, such as end user
devices
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POP3 & IMAP
IMAP
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DISADVANTAGES= In case email usage is more, you would need a larger mailbox storage which might cost more.
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POP3
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The POP server listens on port 110, and the POP with SSL secure (POP3DS) server listens on port 995.
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DNS
It is a system that lets you connect to websites by matching human-readable domain names (like wpbeginner.com) with the unique ID of the server where a website is stored. The protocol for DNS is UDP
An application can use UDP and can be reliable by using a timeout and resend at the application layer.
SMB
FUNCTION
Start, authenticate, and terminate sessions
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SMTP
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SMTP IS AN INTERNET STANDARD FOR EMAL TRANSMISSION ACROSS IP NETWORKS THAT ARE TYPICALLY ONLY USED FOR SENDING MESSAGES TO A MAIL SERVER FOR RELAYING.
P2P VS CLIENT SERVER
P2P
Peer-to-peer networks involve two or more computers pooling individual resources These shared resources are available to every computer in the network.
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CLIENT SERVER
The device requesting the information is called a client and the device responding to the request is called a server.
A client-server network involves multiple clients, or workstations, connecting to at least one central server. Most data and applications are installed on the server.