COMPUTER | NETWORK AND COMMUNICATION | | NOTES | | | | | INDEX (COMMUNICATION AND NETWORK CONCEPT) I.NETWORK II.EVALUATION OF NETWORKING 1.ARPANET III. SWITCHING TECHNIQUES 1. CIRCUIT 2. PACKET 3. MESSAGE IV.TRANSMISSION MEDIA: Two types of media GUIDED MEDIA 1.TWISTED PAIR CABLE
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Firewall Quiz 1. A(n) hub____ is a standard network device for connecting multiple Ethernet devices together by using twisted-pair copper or fiber-optic cables in order to make them function as a single network segment. 2. A(n) Router____ is a network device that can forward packets across computer networks. 3. A(n) Proxy server____ is a computer or an application program that intercepts a user request from the internal secure network and then processes that request on behalf of the user. 4.
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A short-term goal is something you want to do in the near future. The near future can mean today‚ this week‚ this month‚ or even this year. A short-term goal is something you want to accomplish soon. Something that will take you a long time to accomplish is called a long-term goal. Both long- and short-term goals can help you in your career. Short-term goals help you think about what you can do right away. Short-term goals can help you manage your time. Short-term goals might seem small‚ but completing
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we human cannot afford to lose. Along with the introduction of the Internet‚ social networks were also enhanced and so do mobile devices that linked to the social networks. Examples of social networks are Facebook‚ Twitter‚ Instagram‚ LinkedIn‚ etc. All of these social networks enable users develop a closer relationship among each another‚ no matter how much distance between the users. By using these social networks‚ users also can share their latest status‚ upload their latest pictures‚ instant message
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10‚ 2014 Scrolling through social network on my phone had been my daily routine since my parents bought me a new phone to replace my old nostalgic Nokia phone. Since then me and my phone are inseparable. Just in luck for today because my lecturer asked each one of us to write a journal about social network. A lot of human behaviour or attitude can be observed through these social network. The first and by far the most important social network for me is Whatsapp. I’ll have a peek through
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Introduction Issue Identification The Drug Enforcement Administration (DEA) is a United States Department of Justice law enforcement agency. Their purposes in law enforcement is to stop the sale of illegal drugs‚ drug trafficking‚ investigate major crimes within the United States and internationally‚ and to secure and protect our communities from ever confronting drugs. DEA also cooperates with many major law enforcement agencies such as federal‚ state‚ local‚ and foreign law enforcement agencies
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Being in the business world and being a top manager is not that easy. People sometimes sacrifice everything in order to have everything. To be a top manager you have know how to take risks. The CEOs of Bust Buy‚ Chesapeake Energy‚ Bank of America‚ Wal-Mart‚ and BP are very successful. Hubert Joly is the CEO of Best Buy. Best Buy is a very big electronic retail store. Joly took risks by hiring new people in the company in order to try and put it on a good direction to succeed. Joly is a hard workers
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HUMAN RESOURCE MANAGEMENT MANUAL Some amendments have been brought in the “Interpretation” part of the HRMM to reflect the changes in the PSC Regulations. The „Interpretation‟ part shall now read as follows:- Interpretation In this manual‚ 1. "appointment"‚ as in the Regulations‚ means (a) the conferment of an office of emolument in the public service‚ whether or not subject to subsequent confirmation‚ upon a person not in the public service; (b) the conferment upon a public officer
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What are goals? Goals are an aim or desired result that people devote to accomplish in their lives. Why are goals important to set? Goals are important to set because without goals‚ we have no purpose or direction in life‚ and the more goals we make‚ the more things that we can accomplish in life. When I was younger‚ I didn’t know how to do a push up‚ and I wanted to work to get to doing 40 push ups in one year. I started by making small goals‚ that eventually worked up to me doing 40 push ups right
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This paper was prepared for presentation at the 2009 Society for Information Technology and Teacher Education conference in Charleston‚ South Carolina. 1 Abstract The purpose of this research is to propose the idea of using the social network site‚ Facebook‚ for teacher education. Specifically‚ this research explores the advantages of this new Web 2.0 medium‚ and illustrates the different levels of course integration at an instructor’s disposal. In addition‚ it provides specific instructions
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