Computer Workstations by Richard Romando
A computer workstation is engineered to provide a higher performance level, 3D graphics capabilities, higher speed networking using a faster processor, more hard drive storage space than a standard personal computer. They are designed for applications requiring a higher degree of precision, and... At the same time, the term ‘computer workstation’ is also used to refer to an area of generally an office that accommodates a desktop computer and its peripherals. ... With this in mind, be sure to check out all the specs when you are seeking to buy a new computer workstation, and to compare the...

Got Virus? by Woody Bowers
GOT VIRUS? Your Data is NOT lost forever! In the wake of so many computer viruses running wild, “Hope is not lost”! With the recent release of such viruses as: mydoom; netsky; mofei, lovegate and many more destructive viruses, there is an affordable solution to recover your lost files from your... Take heed in the words of Charles Roover, President of Eco Data Recovery, “Be aware of the fate that could befall your computer and/or network and take precautions. ... ECO Chief Engineer, Sean Flanders, warns “If you hear strange noises emanating from your computer, shut it off immediately...

CompTIA Network+ Certification Exam Tutorial: Virus Attacks And Antivirus Programs by Chris Bryant
Whether you’re preparing to pass the Network+ or Cisco CCNA certification exam or not, you must not underestimate the importance of antivirus programs and virus definition updates. With all the attention we pay to viruses and their prevention, I feel a little silly even saying that. ... While we should certainly have an antivirus program on every server in our network, there is one point of communication that we've got to be particularly sensitive to, since this is where most viruses and worms make their way into our network – the email server.

ARP, MAC, Poisoning, & WiFi by Brian Wilson
In this paper we will cover the basics on Address Resolution Protocol (ARP), Media Access Control Addresses (MAC), Wireless (WiFi), and layer 2 communications. I hope to explain how a “Man in the Middle Attack” works. The common name for this is ARP poisoning, MAC poisoning, or Spoofing. ... The Attack Because the ARP replies have been forged, the target computer sends frames that were meant for the original destination to the attacker’s computer first so the frames can be read. ... Most network engineers need to sniff the protocols on a network to make sure the data is flowing correct.

Choosing A Reliable Colocation Facility by Robert Deupree
There are no industry standards to designate a good colocation facility, but key areas can help identify one: power, cooling, Internet connection, and service. Good colocation facilities offer reliability through redundancy, maintenance, and service, meaning more uptime for networks and longer... Some tier 2 providers offer performance routing to route traffic more efficiently between networks, boosting network performance by 50% and creating a self-healing network. ... Tier 2 companies buy access from multiple tier 1 networks, so they have speed and dependability combined with better...

History of the Computer - Machine Code Programs Part 1 of 3 by Tony Stockill
In previous articles in the History of the Computer series we looked at adding, counting, and memory etc. But what are we going to do with these components? How do they all tie together? What is the connection between Windows or a form you fill out for the Government, and the bits of a computer... A different view again is seen by the design engineer making sure the computer follows its instructions. ... The same computer could be used to run a bank's ATM network. ... We are concerned here with how the computer carries out its task, rather than how someone might wish to use it, but it is...

The Importance Of Electronic Repair Courses by Jestine Yong
Attending electronics repair course provided by your local electronic training institutions is a good move to increase your knowledge in electronics. We cannot limit ourselves in just attending a single subject such as basic electronic troubleshooting and repair. ... You can take up courses like programmable logic controller (PLC), Industrial Automation Electronic, Microcomputer troubleshooting, electronic control systems, networking, computer repair, printer, laptop, monitor, appliance, motherboard, TV, cell phone and etc.

Ready for a Career Change? Travel the Microsoft Certification Route by James Croydon
Are you dissatisfied with your job? Do you want to find a new one or at least make a move to another department within your company? Do you need certifications in MCSE, MCP and any of those other abbreviations? You need to sit down and decide what career path you wish to take if you want to go... For instance, if you are an Administrative Assistant and decide to go for a Microsoft Certified System Engineer, better known as an MCSE, you need to have some practical experience (the basic requirement is about a year of previous experience) under your belt before even starting your MCSE training.

How to Become a Computer Technician - Training, Experience, and Certification by Natalie Aranda
The computer technician, or information technician (IT) as they are often called, has almost unlimited opportunity in the job market today. The field does have certain requirements. It is a three pronged thing. First, you must learn. This is the training stage. ... A person with a serious interest in becoming a computer technician will spend at least as much time trying to understand how a computer game works as they do actually playing the game. ... Another certificate program that is highly desirable for the computer technician is the MCSE certification.

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. ... Network intrusion detection mode is the most complex and configurable configuration, allowing Snort to analyze network traffic for matches against a user defined rule set and perform several actions based upon what it sees.” http://www.snort.org/docs/writing_rules/chap1.html#tth_chAp1...