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Computer networking has become an integral part of business today. Individuals, professionals and academics have also learned to rely on computer networks for capabilities such as electronic mail and access to remote databases for research and communication purposes. Networking has thus become an increasingly pervasive, worldwide reality because it is fast, efficient, reliable and effective. Just how all this information is transmitted, stored, categorized and accessed remains a mystery to the average computer user.
A network is any collection of independent computers that exchange information with each other over a shared communication medium. Local Area Networks or LANs are usually confined to a limited geographic area, such as a single building or a college campus. LANs can be small, linking as few as three computers, but can often link hundreds of computers used by thousands of people. The development of standard networking protocols and media has resulted in worldwide proliferation of LANs throughout business and educational organizations.
Ethernet is popular because it strikes a good balance between speed, cost and ease of installation. These benefits, combined with wide acceptance in the computer marketplace and the ability to support virtually all popular network protocols, make Ethernet an ideal networking technology for most computer users today.
The main types of network protocols in use today are: TCP/IP (for UNIX, Windows NT, Windows 95 and other platforms); IPX (for Novell NetWare); DECnet (for networking Digital Equipment Corp. computers); AppleTalk (for Macintosh computers), and NetBIOS/NetBEUI (for LAN Manager and Windows NT networks).
Network topology is the geometric arrangement of nodes and cable links in a LAN. Two general configurations are used, bus and star. These two topologies define how nodes are connected to one another in a communication network. A node is an active device connected to the network, such as a computer or a printer. A node can also be a piece of networking equipment such as a hub, switch or a router.
As more and more business operations become dependent on IT systems (and, increasingly, the cloud), networking professionals are indispensable and in demand. According to the Bureau of Labor Statistics, network and computer systems administrators earned a median annual salary of $82,050 in 2018, and these jobs are projected to continue growing steadily on pace with the rest of the broader economy.
Yes! Like other areas of computer science, online courses are a great way to build your expertise in computer networking. Coursera offers Professional Certificates, MasterTrack Certificates, Specializations, Guided Projects and courses in networking from leading companies like Google Cloud, Intel, Amazon, and Cisco.
These computer and IT networking professionals are responsible for a variety of roles ranging from the initial design and development of the network infrastructure to its ongoing administration and support. For example, companies that need to build their computer network systems typically hire network architects, wireless network engineers, and network security engineers. For the ongoing operation and troubleshooting of the network, companies may also hire network managers and network security administrators.
Popular courses include network protocols and architecture, networking basics, fundamentals of computer network security, as well as courses specific to networking on cloud computing platforms. And if you want to learn about networking in the context of a computer science degree program, Coursera offers affordable and flexible bachelors and masters programs from top-ranked schools like Arizona State University, the University of Illinois, and Imperial College London.
There are hundreds of places that hire someone with a background in networking, such as technology businesses, universities, government institutions, security firms, banks, and many more. All of these have a need for top-quality workers skilled in computer networking.
Networking is all about computers, systems, data, networks, and programming. Before you start to learn networking, you might want to have a basic comprehension of computer and information networks. This is a wide-ranging area that includes knowledge of LAN/WAN networks, intranets, and other data communications networks. You might also have in your background an understanding of additional types of networks, like storage area networks, wireless networks, or virtual private networks (VPNs).
Among the topics that you might want to study that are related to networking are data protection and privacy topics. Keeping data secure in computer networks is one of the key aspects crucial to information and networking. Having good knowledge of data breaches, how they happen, and how good networking can protect the data would be important topics to study. You can learn more about networking, by having a good grasp of how data storage works in connection with networks, and how this data can be accessed by network administrators.
Shiwangi loves to dabble with and write about computers. Creating a System Restore Point first before installing new software, and being careful about any third-party offers while installing freeware is recommended.Primary Sidebar 2ff7e9595c
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