Description

Discover how network devices communicate with one another Computer networks allow devices to interconnect, either locally or around the world, sharing resources and data in milliseconds. On this three-week course, you’ll examine foundational concepts of computer networks, learning key terminology and processes. Equipped with this knowledge, you’ll be able to begin your journey to passing the CCNA exam. Explore network protocols and frameworks Beginning with defining computer networks and their applications, you’ll be guided through key concepts including Transmission Control Protocol/Internet Protocol (TCP/IP) and Open Systems Interconnection (OSI) models. By understanding these communications protocols and frameworks, you’ll be able to explain how different hosts communicate with each other. Examine the role of routers, IP addresses, and LAN and WAN connectivity Learning how routers manage data traffic and connect devices to internet connections, you’ll then expand your knowledge of Local Area Networks and Wide Area Networks within this context. You’ll also explore their relation to Internet Protocol (IP) addresses, taking a detailed look at the differences between private and public IP addresses. With this knowledge, you’ll be able to understand network scalability and compare processes involved in individual networks and those used on a global scale. Identify and define network layers in computer networking Building on your knowledge from earlier in the course, you’ll explore network layers in more detail, including physical, data link, network, transport, and application layers, and understand their functions within a network. By the end of this course, you’ll be able to define key network characteristics and explain the role of computer networks and devices in sharing resources, transferring data, and connecting people. This course is designed for anyone wanting to understand computer networking with little or no prior experience. It is particularly useful for those wanting to begin preparing for the CCNA exam. You’ll need access to a tool called Wireshark for Windows or MacOS. We’ll show you how to download and install this program during the course.

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Syllabus

Syllabus Computer networks and the ethernetWelcome and introductionComputer networks TCP/IP and OSI modelsBits and bytesEthernetMAC addressesWrap upNetwork characteristics, the network layer, and routersIntroduction to Week 2Network characteristics part 1Network characteristics part 2Network switches, unicast, multicast, and broadcastTransition modes and collisionsNetwork layer and IP addressesRoutersWrap upIP addressing, networks, binary math, network masks, and subnettingIntroduction to Week 3IP addressing IP addressing continued and IP packetsNetworksBinary mathNetwork masksSubnettingWrap up