~Internet~
It's a network of networks that consists of millions of private , public, academic, business, and government networks, of local to global scope, that are linked by a broad array of electronic, wireless and optical networking technologies.
-WAN: Wide Area Network is a computer network that covers a broad area.
-LAN: Local Area Network is a computer network that connects computers and devices in linmited areas.
-MAN: Metropolitan Area Network is a computer network that ussualy spans a city or a large campus.
~IP~
Is usually a numerical label assigned to each device ,participating in a computer network that uses the Internet Protocol for communication.
~Computer Network~
Referred to as a network, is a collection of computers and devices interconnected by communications channels that facilitate communications among users and allows users to share resources.
~TCPIP~
Is a description framework for computer network protocols created in the 1970s by DARPA, an agency of the United States Department of Defense. It evolved from ARPANET, which was the world's first wide area network and a predecessor of the Internet. The TCP/IP Model is sometimes called the Internet Model or the DoD Model.
Tuesday, April 5, 2011
Tuesday, March 15, 2011
~ A+ Certification ~
A+ certification
The A plus certification has been available since 1993. It was developed by the Computing Technology Industry Association or CompTIA. This was originally made of staffers from various computer dealerships. This group now provides a range of certifications for the industry.
is a vendor neutral certification that certifies the competency of service professionals in the computer industry. It is for anyone who wants an internationally recognized credential that validates competency in computer service and technical support.
A+ Certification program is one of the largest certification worldwide. A+ Certification is developed and sponsored by the Computing Technology Industry Association (CompTIA), a global association of IT industry companies with the common goal of standardized qualifications for professionals working in the industry. Membership of CompTIA include most of the global software and hardware manufacturers such as Microsoft, IBM, Lotus, Dell, Compaq, etc. Most CompTIA literature, states that, “CompTIA is a global trade association representing the business interests of the information technology industry.”
A+ is one of the most popular certifications in the IT industry and is CompTIA’s top certification. What makes A+ Certification different from other credentials is the strong support it has received from the computer industry.
- A+ Certification is recognized and backed by all the leading manufacturers, vendors, service providers and professional bodies worldwide. It validates skills and knowledge in technical support covering competencies over products developed and used by these organizations.
- A+ Certification is the only generic IT support qualification in the world!
· Achievement of A+ Certification shows that a person has the knowledge, skill and customer service skills necessary to successfully support PC equipment and users.
· Technical support, the focus of A+ certification, is the busiest area in the IT industry.
A+ is one of the most popular certifications in the IT industry and is CompTIA’s top certification. What makes A+ Certification different from other credentials is the strong support it has received from the computer industry.
- A+ Certification is recognized and backed by all the leading manufacturers, vendors, service providers and professional bodies worldwide. It validates skills and knowledge in technical support covering competencies over products developed and used by these organizations.
- A+ Certification is the only generic IT support qualification in the world!
· Achievement of A+ Certification shows that a person has the knowledge, skill and customer service skills necessary to successfully support PC equipment and users.
· Technical support, the focus of A+ certification, is the busiest area in the IT industry.
Network+
is a certification that is used to measure skill as a network technician: understanding of network hardware, installation, and troubleshooting. Network+ was first launched in 1999, and exam updates followed in 2002, 2005, and 2009. Topics include network hardware, connections, software, the OSI Reference model, and different protocols used in local area networks (LANs) and wide area networks (WANs). CompTIA recommends the A+ certification and nine months networking experience before sitting for the exam, but is not required.
Monday, March 14, 2011
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