In the fourth week of this course, we'll learn about computer networking. We'll explore the history of the Internet and what "The Web" actually is. Doug Lowe has written enough computer books to line all the birdcages in. California. His other books include Networking All-in-One Desk Reference For. Listings 1 - 25 - Looking for books about computer networking? Browse our entire For Dummies online collection and find the perfect how-to book for you.
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Basic Networking Course for Beginners
March 27, By steve Basic Networking Course for Beginners Computer networks consist of many different components, technologies and computer networking for dummies working together. Getting Started In order for two computers to talk to each other they need: To be Connected cable or Wireless this is known as the connection media.
To have a common language. To have An Address.
Connecting Computers Together Early computer networks used cable to connect computers together in a wired network. Most modern networks use wireless wi-Fi as the main connection media and networks tend to be a mixture computer networking for dummies wired and wireless.
The diagram below shows a wired Ethernet network. To work each device must be connected to a Ethernet hub or switch.
However logically they are all connected together and share the same media which we see later. For a Wireless network the devices must computer networking for dummies to a wire access point as shown in the diagram below. However,again logically they share and compete for access to the same media.
Wireless access usually have an Ethernet computer networking for dummies built in which allows them to connect to the wired Ethernet network.
Ethernet Addressing In order to communicate with each other each computer needs to have a unique address. This address is called the MAC media access control address and is built into the network card.
The address is also often called the physical address and the Ethernet address. It is shown as 6 hexadecimal numbers separated by colons e. Notice windows using a dash — as a delimiter.
On modern network cards it is possible for MAC addresses to be manually assigned, but it is not normal to do computer networking for dummies. In addition 64 bit MAC addresses are now used.
Hardening Your Network Chapter More Ways to Network Chapter Going Virtual Chapter Networking with Linux Chapter The Part of Tens Chapter Ten Networking Commandments Chapter Ten Big Network Mistakes Chapter