Design considerations for computer networks cover a wide range of topics including layout, capacity planning, and security
Network TopologiesCommon network topologies include the bus topology, star, and ring. Learn more about these and other topologies in computer network design.
Visual Overview of the OSI ModelThe OSI model provides a good conceptual framework for understanding the implementation of network protocol and services design. This page explains the OSI model through visual illustration.
Introduction to Area NetworksBesides LANs and WANs, other types of area networks like MAN and SAN also exist. Discover all the different forms of area networks and the roles they play in network design.
Thursday, November 1, 2007
TCP/IP - Transmission
TCP/IP is arguably the single most important computer networking technology. The Internet and most home networks support TCP/IP as the "language" computers use to find and connect with each other.
What is TCP/IP?TCP/IP is an extremely popular network protocol that enables communication between most of today's computers. Did you know that TCP/IP is over 30 years old?
IP Tutorial and Course OutlineThis tutorial explains IP, TCP, and UDP networking in a progressive series of articles.
Internet Protocol (IP) Practice ExamThis interactive question-and-answer quiz tests your knowledge of IP, the foundation protocol of TCP/IP. Use this resource to help prepare for certification exams or to quickly learn important technical details about IP.
What is TCP/IP?TCP/IP is an extremely popular network protocol that enables communication between most of today's computers. Did you know that TCP/IP is over 30 years old?
IP Tutorial and Course OutlineThis tutorial explains IP, TCP, and UDP networking in a progressive series of articles.
Internet Protocol (IP) Practice ExamThis interactive question-and-answer quiz tests your knowledge of IP, the foundation protocol of TCP/IP. Use this resource to help prepare for certification exams or to quickly learn important technical details about IP.
P2P Networking
Peer-to-peer (P2P) networking eliminates the need for central servers, allowing all computers to communicate and share resources as equals. Music file sharing, instant messaging and other popular network applications rely on P2P technology.
P2P is a standard approach to network design that eliminates the need for dedicated servers. P2P is also a popular term for freely available Internet file sharing software systems.
P2P Software Progams and Networks TutorialPeer to peer networks comprise both peer workgroup LANs and P2P file sharing networks. Discover why P2P has rapidly grown to become arguably the most interesting class of network applications.
Free Software - P2P File Sharing ProgramsThis index describes each of the top peer to peer file sharing client software programs. These free P2P clients allow easy swapping of music, video and other files over the Internet.
P2P is a standard approach to network design that eliminates the need for dedicated servers. P2P is also a popular term for freely available Internet file sharing software systems.
P2P Software Progams and Networks TutorialPeer to peer networks comprise both peer workgroup LANs and P2P file sharing networks. Discover why P2P has rapidly grown to become arguably the most interesting class of network applications.
Free Software - P2P File Sharing ProgramsThis index describes each of the top peer to peer file sharing client software programs. These free P2P clients allow easy swapping of music, video and other files over the Internet.
Monday, October 1, 2007
CompTIA Linux+ and your Career
CompTIA Linux+ and your Career The demand for skilled Linux support professionals has grown significantly and candidates as well as the industry have indicated that a foundation-level certification for this job function is necessary.
Audience
The audience includes Linux Professionals and System Administrators with 6-12 months of practical experience with the Linux operating system. They provide basic installation, operation, and troubleshooting operating systems on workstations and servers. The candidate will be able to explain fundamental open source resources/licenses, demonstrate knowledge of user administration, understand file permissions/software configurations and manage local storage devices and network protocols.
Audience
The audience includes Linux Professionals and System Administrators with 6-12 months of practical experience with the Linux operating system. They provide basic installation, operation, and troubleshooting operating systems on workstations and servers. The candidate will be able to explain fundamental open source resources/licenses, demonstrate knowledge of user administration, understand file permissions/software configurations and manage local storage devices and network protocols.
CompTIA Linux+ and your Career
CompTIA Linux+ and your Career The demand for skilled Linux support professionals has grown significantly and candidates as well as the industry have indicated that a foundation-level certification for this job function is necessary.
Audience
The audience includes Linux Professionals and System Administrators with 6-12 months of practical experience with the Linux operating system. They provide basic installation, operation, and troubleshooting operating systems on workstations and servers. The candidate will be able to explain fundamental open source resources/licenses, demonstrate knowledge of user administration, understand file permissions/software configurations and manage local storage devices and network protocols.
Audience
The audience includes Linux Professionals and System Administrators with 6-12 months of practical experience with the Linux operating system. They provide basic installation, operation, and troubleshooting operating systems on workstations and servers. The candidate will be able to explain fundamental open source resources/licenses, demonstrate knowledge of user administration, understand file permissions/software configurations and manage local storage devices and network protocols.
Linux Technology
CompTIA Linux+ 2005 Course
Linux Technology Overview
The CompTIA Linux+2005 certification is an international industry credential that validates the knowledge of individuals with at least six months of practical Linux experience. Professionals who want to certify their technical knowledge in basic installation, operation and troubleshooting for Linux operating systems should consider this certification.
As a CompTIA Linux+ certified individual you will have the knowledge to implement security options on client systems, configure security-related files, and grasp common security practices. In addition, they will have the knowledge necessary to determine installation methods, select appropriate settings, protocols, and software packages. The individual has demonstrated proficiency in everyday management of Linux-based clients and basic management of server systems.
The CompTIA Linux+ exam covers approximately 90 percent of the problems that computer technicians, help desk staff and system administrators routinely encounter today with commercial Linux applications from Novell's SUSE Linux, Red Hat, Mandrake, and TurboLinux.
CompTIA Linux+ Certification
The skills and knowledge measured by this examination were developed with global input to assure accuracy, validity and reliability. Earning the CompTIA Linux+ designation means that the candidate can explain fundamental open source resources/licenses, demonstrate knowledge of user administration, understand file permissions/software configurations and manage local storage devices and network protocols.
Because Linux, by its nature, is vendor-independent, there was a strong need in the industry for a basic, comprehensive Linux certification. Becoming CompTIA Linux+ certified gives an individual a recognized industry credential that offers proof of knowledge and expertise in Linux technologies. This certification also provides a path to a variety of fulfilling and challenging Linux-related careers.
Linux Technology Overview
The CompTIA Linux+2005 certification is an international industry credential that validates the knowledge of individuals with at least six months of practical Linux experience. Professionals who want to certify their technical knowledge in basic installation, operation and troubleshooting for Linux operating systems should consider this certification.
As a CompTIA Linux+ certified individual you will have the knowledge to implement security options on client systems, configure security-related files, and grasp common security practices. In addition, they will have the knowledge necessary to determine installation methods, select appropriate settings, protocols, and software packages. The individual has demonstrated proficiency in everyday management of Linux-based clients and basic management of server systems.
The CompTIA Linux+ exam covers approximately 90 percent of the problems that computer technicians, help desk staff and system administrators routinely encounter today with commercial Linux applications from Novell's SUSE Linux, Red Hat, Mandrake, and TurboLinux.
CompTIA Linux+ Certification
The skills and knowledge measured by this examination were developed with global input to assure accuracy, validity and reliability. Earning the CompTIA Linux+ designation means that the candidate can explain fundamental open source resources/licenses, demonstrate knowledge of user administration, understand file permissions/software configurations and manage local storage devices and network protocols.
Because Linux, by its nature, is vendor-independent, there was a strong need in the industry for a basic, comprehensive Linux certification. Becoming CompTIA Linux+ certified gives an individual a recognized industry credential that offers proof of knowledge and expertise in Linux technologies. This certification also provides a path to a variety of fulfilling and challenging Linux-related careers.
Operating Systems
Operating Systems
An operating system is a layer of software which takes care of technical aspects of a computer's operation. It shields the user of the machine from the low-level details of the machine's operation and provides frequently needed facilities. There is no universal definition of what an operating system consists of. You can think of it as being the software which is already installed on a machine, before you add anything of your own.
Normally the operating system has a number of key elements: a technical layer of software for driving the hardware of the computer, like disk drives, the keyboard and the screen; a filesystem which provides a way of organizing files logically, and a simple command language which enables users to run their own programs and to manipulate their files in a simple way. Some operating systems also provide text editors, compilers, debuggers and a variety of other tools. Since the operating system (OS) is in charge of a computer, all requests to use its resources and devices need to go through the OS.
Operating System Courses
Windows 98, Windows 2000, Windows 2003, UNIX, Linux
We have courses that cover the individual Operating systems. These courses are ideal for individuals who are looking to enhance their knowledge and get some hands-on interactive training without having to disrupt the way their PC is set-up or for IT professionals who require specific training in specific Operating system technologies. All courses come with manuals.
An operating system is a layer of software which takes care of technical aspects of a computer's operation. It shields the user of the machine from the low-level details of the machine's operation and provides frequently needed facilities. There is no universal definition of what an operating system consists of. You can think of it as being the software which is already installed on a machine, before you add anything of your own.
Normally the operating system has a number of key elements: a technical layer of software for driving the hardware of the computer, like disk drives, the keyboard and the screen; a filesystem which provides a way of organizing files logically, and a simple command language which enables users to run their own programs and to manipulate their files in a simple way. Some operating systems also provide text editors, compilers, debuggers and a variety of other tools. Since the operating system (OS) is in charge of a computer, all requests to use its resources and devices need to go through the OS.
Operating System Courses
Windows 98, Windows 2000, Windows 2003, UNIX, Linux
We have courses that cover the individual Operating systems. These courses are ideal for individuals who are looking to enhance their knowledge and get some hands-on interactive training without having to disrupt the way their PC is set-up or for IT professionals who require specific training in specific Operating system technologies. All courses come with manuals.
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