uCertify 220-601A + Core Hardware (2003)

A virus is a malicious program. A computer virus passes from one computer to another in the same way as a biological virus passes from one person to another. Most viruses are written with a malicious intent, so that they can cause damage to programs and data in addition to spreading themselves.......continue reading " What is virus?" Skills required for CompTIA`s test 220-301. CompTIA has specified more than twenty objectives for CompTIA`s test C220-301, which are grouped under six topics. Following are some important areas in which an individual should possess good knowledge before taking the C220-301 test: Identifying the names, purpose, and characteristics,......continue reading "Skills required for CompTIA`s test 220-301. Things to practice for CompTIA test 220-301. The CompTIA test 220-301 is meant for entry-level computer technicians. This test measures an individual`s ability to install, configure, and troubleshoot hardware on a stand-alone computer as well as on a computer in a network. Before taking the 220-301 test, you should practice the following:......continue reading "Things to practice for CompTIA test 220-301. What are communication ports? A computer by itself can neither communicate with printers and outside storage devices, nor Connect to the Internet. Communication ports are used to overcome this gap. These ports are used to attach several devices so as to enable the computer to communicate with them. Following are the common......continue reading "What are communication ports? What is a broadcast storm? Broadcast storm is a situation in which one or more network devices send jabber packets constantly and Increase Traffic. A faulty network interface card (NIC) that sends jabber packets can be detected by the Network Monitor software. A faulty NIC and a down server that serves network resources......continue reading "What is a broadcast storm?