Cisco Certifications Overview - Career Path Options by Eran Malloch
When considering a Cisco Certification , you need to understand how they structure their programmes, so that they match up with your career requirements (depending on where you are at right now). There are 3 levels of Cisco Certification, based on your increasing level of experience and... These are the Cisco Qualified Specialist certifications, and include: * Access Routing and LAN Switching * Content Networking * Foundation for Channel Partners * IP Communications Certifications * Optical Certification * Storage Networking Certifications * VPN and Security...

Security Risks and Ways to Decrease Vulnerabilities in a 802.11b Wireless Environment by Richard Johnson
Introduction This document explains topics relating to wireless networks. The main topics discussed include, what type of vulnerabilities exist today in 802.11 networks and ways that you can help prevent these vulnerabilities from happening. Wireless networks have not been around for many years. ... Accidental Associations – This can happen if a wireless network is setup using the same SSID as your network and within range of your wireless device. ... This is simple to do, all a person has to do is plug an Access point or wireless router into an existing live LAN jack and they are on the...

What To Watch Out For When Looking For Flat Or Fixed Fee Computer Consulting by Steven Young
You have a computer networking infrastructure in place. Now you need someone who can maintain your computer networking systems. You want someone who knows Cisco, 3Com, Microsoft Exchange, Active Directory, Firewall protection, phone systems, Novell, Windows 2003 and more. ... Wireless switches and or routers d. ... Defragmenting the drives on the server 13. ... Defragmenting the Exchange database on server 14. ... Inforcing limites on exchange mailboxes and or disk quotas 15. ... cleaning up the exchange bad mail 12.

Guide to Buying a Webcam by Andrew Gates
How web broadcasting works Webcams are those handy little cameras that attach to your PC and send images to a web page that can be viewed by others. This enables you to share daily life events with friends and family in other parts of the country or the world, or to arrange a video-conference... A wide range of cameras with accompanying software at a range of prices is available for this type of application. ... Webcam applications work well with wireless solutions. ... There is a wide range of uses of webcam technology.

Tips for Designing ZigBee Applications by John Sawyer
So you think you want to develop a ZigBee application, but you have some questions. What’s important in a ZigBee development? What tools do I need? What steps are involved? How much time will it take? What kind of investment is required? What are the unforeseen questions? ... In North America, 915 MHz is available for ZigBee radios and offers a few advantages over 2.4 GHz, such as slightly better range. ... But the ZigBee data rates are low relative to other wireless options. ... Fewer chip providers are available who offer the lower frequency range, because antennas tend to be larger and...

Computer Safety for Kids by Rob Pirozzi
Start With the Basics - Protect Your PC Guarding Access to Your PC - Get a Firewall Beginning in the Zhou Dynasty, which was in the 11th century BC, construction was begun on what was to become the Great Wall of China. For 2,700 years, culminating in the mid-1600s, construction continued on... Take Your Medicine - Install Antivirus Software A computer virus is an unwanted software program that: Gets loaded onto your PC Replicates itself, meaning that it copies itself and distributes itself to other computers A virus can get onto your computer from any of several sources,...