OSI Application Layer: Network Services & User Applications
Explore the OSI Application Layer (Layer 7) – the layer closest to the user! Learn how it provides network services to applications like email, web browsing, and file transfer.
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OSI Presentation Layer: Data Formatting, Encryption & Compression
Discover the OSI Presentation Layer (Layer 6)! Learn how it handles data formatting, encryption/decryption, and compression, ensuring applications can understand each other.
OSI Session Layer: Dialog Control, Synchronization & Checkpoints
Explore the OSI Session Layer (Layer 5). Learn how it manages communication sessions (dialogs) between applications, handles synchronization, and uses checkpoints for recovery.
OSI Transport Layer: TCP, UDP, and Reliable Data Delivery
Dive into the OSI Transport Layer (Layer 4). Learn about TCP and UDP, ports, flow control, and how data gets delivered reliably.
OSI Network Layer: IP Addresses, Routing & Protocols
Understand the OSI Network Layer (Layer 3)! Learn about IPv4/IPv6, routing, IP protocol, and ICMP.
OSI Data Link Layer: MAC, Ethernet & Wi-Fi Explained
Dive into the OSI Data Link Layer! Learn about MAC addresses, Ethernet frames, Wi-Fi protocols, and network switching.