Cont. As the individual packets are encapsulated from the segmented data each layer adds information to the packet in whats called a header. This header is called a PDU orProtocol Data Unit. The header or PDU has important information that is needed to get the packet from point A to point B. One important piece […]
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Cisco Learning
Communicating on a Network – Page 2
Cont. Network communication does not happen without rules or protocols. In this class we will learn about the many protocols or rules that are necessary to send a message across the local area network as well as the internet. In order to have successful communication between people you have to follow social and cultural conventions, […]
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Communicating on a Network – Page 1
Computer Networking Overview One of the challenges in learning the Cisco CCNA is learning how to navigate the massive amounts of jargon or lingo that is involved. Like the word, services, which can also be worded as applications, or programs, this can also be called processes if it is behind the scenes using Windows, and […]
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Beginning Network Addressing PT Activity
Overview This is a beginning Packet Tracer 6.1 activity designed to get you familiar with working with Packet Tracer. Your goal in this Packet Tracer activity is to configure the following: 1. Both PCs with IP addresses, subnet masks, and default gateways. 2. Configure each switch with: a hostname, an IP address and subnet mask […]
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Cisco IOS and CLI
Overview For the Cisco CCNA you are required to know how to configure Cisco routers and Cisco switches using the command line interface or CLI. A command line interface is a command driven user shell that allows the user to interface with the operating system. The command line interface or CLI is operated with just […]
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Networking Basics
At the beginning of a course of study towards the Cisco CCNA, it is a good idea to have an understanding of basic networking terms and concepts. Here is a list of introductory concepts that you should be familiar with: LAN – a local area network or LAN is a network that has the following […]
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