Items In Cart: 0
Subtotal:  $0.00
 
HACKER SAFE certified sites prevent over 99.9% of hacker crime.



Networking



Q: What are the differences between USB 1.1, USB 2.0, IEEE 1394 and FireWire?
A:
USB (Universal Serial Bus) is a system for connecting devices to personal computers. There are two types of USB signals: version 1.1 and version 2.0. While you must use cables that are compatible with your signal type, USB 1.1 is compatible with 2.0 cables. FireWire is the common term for an IEEE 1394 connection. USB and FireWire are two completely different connection types. The following is the maximum bit rate for each type of cable: USB 1.1 = 12 Mb/s; FireWire = 400 Mb/s; USB 2.0 = 480 Mb/s.

Q: What is the difference between a Router, Switch and Hub?
A:
In order to network computers together, they need to be somehow physically connected to each other. The difference between a switch and a hub is that a switch can handle multiple communications between the computers attached to it whereas a hub handle one at a time. A router is explicitly designed to connect two networks together, usually a Local Area Network, or LAN (like a single small office) to a Wide Area Network, or WAN (like the Internet). While this can be accomplished with a switch or a hub, a router has additional "smart" software with security features that disallow unauthorized access to the computers in the LAN from the outside.