channelZ.org
Currently viewing the category:
"Networking"
Packet sniffers, or protocol analyzers as they’re sometimes called are useful network administration tools. Admins will use them to look at network traffic much like highway traffic cameras monitor traffic on the roadways. How much traffic is there? Where is it all coming from and going to? What kind of traffic [...]
I’ve just posted a network speed table to help you memorize the speeds of all the various connections. CompTIA is fond of asking a question on the A+ & Network+ tests involving a scenario where a given minimum bandwith is listed, and you must know which [...]
I created a guide to the 7-layer OSI model to help students studying for their Network+ certification test. The OSI model is in the central column with descriptions of each layer. Since TCP/IP was designed using a 4-layer model, I’ve included the 4-layer TCP/IP stack in the leftmost [...]
