The way ones and zeros are physically carried through a specified network depends on whether the network is electrical‚ optical or radio. In electrical networks‚ one bits are represented as high voltage‚ and zero bits are represented as a low voltage. In optical networks‚ one bits are represented by the presence of light‚ and zero bits are represented by the absence of light. The ones and zeros are carried through the network‚ and the receiving device repackages the ones and zeros to determine
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Network and standards protocol Professor 1.Which of the following terms is the cloaet synonym to the term computer networking? Protocol 2.Ann uses her email address‚ me@here.com‚ to send an email to bob‚ whose email address is you@there.com. the message contains a few paragraphs of text. Which of the following will be important to the process of making sure that bob receives this email? 3. According to this chapter‚ which of the following concepts happens in a modern-day ‚ end to
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QUESTION1 Power Problems Alternating current (AC)‚ which is “food” to PCs and other network devices‚ is normally 110 volts and changes polarity 60 times a second (or 60 Hertz). These values are referred to as line voltage. Any deviation from these values can create problems for a PC or other network device. Power problems fall into three categories: * Overage * Underage * Quality Power Overage Problems During a power overage‚ too much power is coming into the computer. Power overage
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XEROX CORPORATION (Corporate Social Responsibility) 1. Introduction – Xerox company profile Xerox Corporation is the world’s leading document management company. The company is manufacturing and selling printers‚ digital printing presses and systems‚ photo copiers and related supplies. Xerox started to expand rapidly between 1960 and 1970. In the mid 1980’s Apple decided to buy Xerox but the deal finally did not happen. Xerox sued Apple for stealing and using its graphical user interface on
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OB2013 Fall XEROX Xerox now operates only as a business-to-business enterprise‚ forming “partnering” relationships with clients to help solve their document needs. When Anne Mulcahy took over the reins at Xerox in 2001‚ the company took a $273 million loss‚ and its stock price had dived from $60 to $5. Under her leadership‚ Xerox made a highly questioned push in R&D that is now paying huge dividends. Xerox is expected to make $1.2 billion in profit on $18 billion in revenue in 2008. Mulcahy was
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Networks During the Program Student Worksheet 1 What are networks? 1. Describe the purpose of networking computers. 2. Describe the two types of network: a. LAN b. WAN 3. List the core business functions of Destra. 4. As a retailer‚ describe how Destra is different to more traditional retailers. 5. What does Destra’s network consist of? 6. What is VPN and what is its purpose? 7. Describe
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from user point of view in the context of local area network. 2. Explain the basic concepts of communications within Local Area Network with emphasis on access techniques and basic protocol. 3. Providing user services Assignment Overview: * This is an individual assignment * The student must produce a written report and must be submitted on the dateline * The student expected to present the assignment Question: You are a network engineer at a private office. You are required to
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communicate successfully. IEEE 802.11 is a set of standards for implementing wireless local area network (WLAN) computer communication in the 2.4‚ 3.6‚ 5 and 60 GHz frequency bands. They are created and maintained by the IEEE LAN/MAN Standards Committee (IEEE 802). The base version of the standard was released in 1997 and has had subsequent amendments. These standards provide the basis for wireless network products using the Wi-Fi brand. The most prevalent is 802.11b. Equipment using
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Paper The article “How Ursula Burns Reinvented Xerox” is extremely informative and gave me an outlook on how major businesses operate in society. It was interesting to read about a woman of color who completely gave her life into Xerox the company and made it a success. This article‚ made me more open minded about a lot of things that goes on into businesses I haven’t experience. One perspective‚ which was interesting‚ is how Xerox the company couldn’t do anything about their business failing
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and pirating in the networks is very easy and it can lead to information damage or robbery and also if one compute is affected by a virus it can spread to the other easily. 3. What technology allows computer networks without wires? Wireless networking allows computer networks without wires. 4. Describe the difference between a LAN and a WAN. LAN is local area network‚ it consists of a group of networked computers that all located in one building. But WLAN is wide area network‚ it is a group of
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