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Explore the intricacies of the OSI Model's Network Layer in this comprehensive review. Dive into routing fundamentals and learn how routers direct data packets efficiently. Understand the structure and components of the IPv4 header, along with the allocation and subnetting of IPv4 addresses. Brush up on decimal and hexadecimal systems and master binary number representation. Put your skills to the test with binary to decimal and decimal to binary conversion practice. Delve into the network portion and host portion of IPv4 addresses, and discover the significance of address classes. Uncover the mysteries of loopback addresses, Class D, and Class E addresses. Finally, gain insights into network and broadcast addresses and their role in communication.
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