01 – Networking Basics       http://kenatz.blogspot.com/
Principles of NetworkingMain Ideas                                       Key TermsNetworks help us share                  ...
Principles of Networking (cont.)Reasons to Use a NetworkComputer networks connect systems togetherto make better use of li...
Principles of Networking (cont.)Reasons to Use a Network• network A system of two or more computer  systems connected toge...
Principles of Networking (cont.)Reasons to Use a NetworkSharing resources, such as a printer, providesmany benefits.      ...
Principles of Networking (cont.)Reasons to Use a NetworkNetworking allows two kinds of communication:• synchronous communi...
Principles of Networking (cont.)Traits of a Good NetworkThe five main traits of a good network are:•   reliability•   scal...
Principles of Networking (cont.)Traits of a Good Network• reliable network A dependable network that  user’s trust to work...
Principles of Networking (cont.)Traits of a Good NetworkA server cluster acts as a single server to othercomputers on the ...
Principles of Networking (cont.)Traits of a Good NetworkThe speed of a network is critical. Networkspeed is measured by se...
The Evolution of NetworksMain Ideas                                      Key TermsUnderstanding hownetworks evolved in the...
The Evolution of Networks (cont.)The First NetworksThe first computers could only perform one taskat a time. Within a few ...
The Evolution of Networks (cont.)The First Networks• multitask A computer’s ability to work on  more than one job at a tim...
The Evolution of Networks (cont.)The First NetworksTimesharing allowed for direct human/machineinteraction through termina...
The Evolution of Networks (cont.)The First Networksterminal A device with a keyboard and amonitor that connects directly t...
The Evolution of Networks (cont.)ARPANETThe U.S. Department of Defense establishedARPANET. ARPANET linked computers around...
The Evolution of Networks (cont.)ARPANETARPANET allowed host computers around thecountry to communicate with each other.  ...
The Evolution of Networks (cont.)Today’s Networks• Networks have become a part of everyday life.  The original Internet wa...
The Evolution of Networks (cont.)Today’s NetworksAlthough the Web is only one part of theInternet, most users think they a...
The Evolution of Networks (cont.)Today’s NetworksNetworks are important parts of many facets ofour lives, such as the foll...
Networking CareersMain Ideas                                          Key TermsThere are many career paths innetworking. A...
Networking Careers (cont.)Career Paths• network administrator Trained individual  responsible for installing computers and...
Networking Careers (cont.)Career Paths• network architect Highly trained individual  who               oversees           ...
End of now…http://kenatz.blogspot.com/
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Networking Basics

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Is that construction, design, and use of network, including physical (cabling, hub, bridge, switch, router and so forth).

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Networking Basics

  1. 1. 01 – Networking Basics http://kenatz.blogspot.com/
  2. 2. Principles of NetworkingMain Ideas Key TermsNetworks help us share networkdata and resources. This file sharing resourcesincreases efficiency and synchronouscost-effectiveness. communicationNetworks must be asynchronousreliable, redundant, scalabl communication reliablee, secure, and fast. redundant scalable throughput http://kenatz.blogspot.com/
  3. 3. Principles of Networking (cont.)Reasons to Use a NetworkComputer networks connect systems togetherto make better use of limited resources.Networks:• allow users to engage in file sharing• allow users to share resources• centralize administration and support• improve communication http://kenatz.blogspot.com/
  4. 4. Principles of Networking (cont.)Reasons to Use a Network• network A system of two or more computer systems connected together so they can share and exchange data.• file sharing Sharing files between computers; the act of making files on one computer accessible to others on a network.)• resource Software or hardware, such as a hard drive, printer, or scanner, that can be shared over a network. http://kenatz.blogspot.com/
  5. 5. Principles of Networking (cont.)Reasons to Use a NetworkSharing resources, such as a printer, providesmany benefits. http://kenatz.blogspot.com/
  6. 6. Principles of Networking (cont.)Reasons to Use a NetworkNetworking allows two kinds of communication:• synchronous communication When people talk to each other at the same time.• asynchronous communication A form of data transmission that involves a delay of seconds, minutes, or even days. Communication does not happen instantly. http://kenatz.blogspot.com/
  7. 7. Principles of Networking (cont.)Traits of a Good NetworkThe five main traits of a good network are:• reliability• scalable• redundant• secure• speed http://kenatz.blogspot.com/
  8. 8. Principles of Networking (cont.)Traits of a Good Network• reliable network A dependable network that user’s trust to work.• scalable network A network that the hardware or software can grow (scale) up or down to meet an organization’s needs.• redundant network Networks that duplicate data and/or resources to minimize down time and losses in the event of a disaster. http://kenatz.blogspot.com/
  9. 9. Principles of Networking (cont.)Traits of a Good NetworkA server cluster acts as a single server to othercomputers on the network. http://kenatz.blogspot.com/
  10. 10. Principles of Networking (cont.)Traits of a Good NetworkThe speed of a network is critical. Networkspeed is measured by several factors, such asthe rate at which data will travel, which isrelated to its throughput.throughput The capacity to handle networktraffic. A measure for network data transferperformance. http://kenatz.blogspot.com/
  11. 11. The Evolution of NetworksMain Ideas Key TermsUnderstanding hownetworks evolved in the multitaskpast helps you to timesharingunderstand today’s terminaltechnology. Future dumb terminalnetworks will enable us to ARPANETconnect almost hyperlinkanywhere, anytime, and distributed computingfaster than ever before http://kenatz.blogspot.com/
  12. 12. The Evolution of Networks (cont.)The First NetworksThe first computers could only perform one taskat a time. Within a few years, computers wereable to multitask and timeshare, whichincreased the computer’s productivity. http://kenatz.blogspot.com/
  13. 13. The Evolution of Networks (cont.)The First Networks• multitask A computer’s ability to work on more than one job at a time. The processor can turn its attention from one job to another if one is held up waiting for input or output.• timesharing In the early days of computers, the concept of running multiple jobs at the same time. The idea of switching the computer’s processing from one task to another and incorporating a main, or host, computer. http://kenatz.blogspot.com/
  14. 14. The Evolution of Networks (cont.)The First NetworksTimesharing allowed for direct human/machineinteraction through terminals.Terminals used with timesharing computerswere known as dumb terminals. http://kenatz.blogspot.com/
  15. 15. The Evolution of Networks (cont.)The First Networksterminal A device with a keyboard and amonitor that connects directly to a mainframethrough a communications link or cable. Theterminal requests information from themainframe computer.dumb terminal Computers consisting ofkeyboards for input and screens for output. Theyare wired directly to the host computer andhave little or no processing power of their own. http://kenatz.blogspot.com/
  16. 16. The Evolution of Networks (cont.)ARPANETThe U.S. Department of Defense establishedARPANET. ARPANET linked computers aroundthe country and provided a data highway formilitary communications.ARPANET The Advanced Research ProjectsAgency Network created in the 1960s made itpossible for military and university computers tocommunicate long distances and to share filesthrough an interconnected network. http://kenatz.blogspot.com/
  17. 17. The Evolution of Networks (cont.)ARPANETARPANET allowed host computers around thecountry to communicate with each other. http://kenatz.blogspot.com/
  18. 18. The Evolution of Networks (cont.)Today’s Networks• Networks have become a part of everyday life. The original Internet was primarily a text- based network.• Tim Berners-Lee developed the World Wide Web, using a graphic user interface (GUI) with hyperlinks to access information on the Internet.• hyperlink Text or image that “links” the user to another document when clicked. http://kenatz.blogspot.com/
  19. 19. The Evolution of Networks (cont.)Today’s NetworksAlthough the Web is only one part of theInternet, most users think they are thesame thing.• The Internet is hardware connected together to create a network.• The Web includes software (browsers) that send information along the Internet’s hardware. http://kenatz.blogspot.com/
  20. 20. The Evolution of Networks (cont.)Today’s NetworksNetworks are important parts of many facets ofour lives, such as the following examples:• business• health care• education• leisure and recreation http://kenatz.blogspot.com/
  21. 21. Networking CareersMain Ideas Key TermsThere are many career paths innetworking. Although network administratoreducational backgrounds for network engineermany career paths in network architectnetworking are similar, on-the- network support technicianjob experience and a continued outsourcinginterest in learning are keys tosuccess in networking. http://kenatz.blogspot.com/
  22. 22. Networking Careers (cont.)Career Paths• network administrator Trained individual responsible for installing computers and their operating systems and managing networks on a daily basis.• network engineer Highly trained individual responsible for connecting computers to the network and connecting networks to networks. http://kenatz.blogspot.com/
  23. 23. Networking Careers (cont.)Career Paths• network architect Highly trained individual who oversees the construction, maintenance, and expansion of a company’s network.• network support technician Individual with specialized technical knowledge to troubleshoot the many problems that arise in network usage.• outsourcing To hire an outside company to handle various information technology (IT) http://kenatz.blogspot.com/
  24. 24. End of now…http://kenatz.blogspot.com/
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