Chapter 3:Internet Technology
Network
- Definition:A collection of computing devices that are connected in a various way in order to communicate and share resources.
- Purpose:To share data,information and resources.
- Nodes:collection of computers and devices connected together via communication devices and media.
eg:PCs
Printers and plotters
Scanners
Communication Hardware(Modem,switch,hub etc)
Communication Device
- Definition:A type of hardware enables to transmitting data,instruction, and information between sending devices and receiving devices.
Computer Communication
- Definition:A process in which two or more computer or devices(communication devices) transfer data,instruction and information.
- →⬑Things needed to communicate succesfully
➧A sending devices
➧Transmission media
➧A receiving device
Important Facts About Computer Internet Technology Careers
| Professional Certification | Voluntary certification is often preferred by employers |
| Work Environment | Typically an office setting |
| On-the-Job Training | Some in-person training after securing employment is common |
| Key Skills | Mastery of various computer technologies, along with analytic, communication and problem-solving skills |
Source: U.S. Bureau of Labor Statistics
Computer Network Architect
Computer network architect is one possible career choice in this field. You'll use computer Internet technology to design and set up networks for your employer or client, such as LANs, WANs, intranets and extranets. You'll determine the specifications of the network and what computer Internet technology you'll need to implement the plans. You may also handle network security issues and network management. If you're interested in this career, you can expect fast 15% growth from 2012-2022, according to the U.S. Bureau of Labor Statistics (BLS) (www.bls.gov). The BLS reported a May 2014 median income of $98,430.
Network and Systems Administrator
Being a network and systems administrator involves providing support for a company's networks, such as installing new hardware and software, doing systems maintenance, training users, troubleshooting problems and monitoring network performance. The BLS reported this career would experience average growth of 12% between 2012 and 2022. The median wage of an administrator was $75,790 in May 2014.
Information Technology (IT) Manager
Working in the role of an IT manager, you'd direct other workers among other tasks, including planning hardware and software upgrades, determining the most cost-effective IT solutions for the organization and managing information security. You'd work to ensure that the IT used in the organization meets its unique needs. Computer and information systems managers, according to the BLS, will experience a fast employment increase of 15% between 2012 and 2022. They were paid a median wage of $127,640 as of May 2014.
Network Support Specialist
Network support specialists are technical support professionals who work to make sure a company's network is functioning properly and troubleshoot problems that arise. They also maintain the systems in an effort to prevent problems. Computer network support specialist employment growth will be at a 17% rate between 2012 and 2022, reported the BLS. The May 2014 median wage was $61,830.
Web Developer or Administrator
Other career options include Web developer or Web administrator. As a Web developer, you'll use your background in computer Internet technology to help create and design applications or websites based on employer or client needs. As a Web administrator, you are responsible for maintaining the content and availability of an employer or client websites. You may monitor uptime and site performance, handle visitor feedback and record information about incoming site traffic and activity. The BLS expects fast 20% job growth for web developers between 2012 and 2022. It also reported a median wage of $63,490 in May 2014.
Degree Programs
Degrees and majors in computer Internet technology are rare. Generally, you'll pursue an associate's degree or a bachelor's degree in computer Internet technology, like computer science or a related field. An associate's or bachelor's degree program may allow you to choose a concentration such as Web design or programming. In general, programs in offering computer Internet technology courses may include classes in the following subjects:
- Computer architecture
- Network security
- Database management
- Data structures.


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