The Entity Relationship Diagram (ERD) depicts a conceptual data model that incorporates some of the important scientific information about the real world. It adopts a natural view that the real world consists of entities and relations (Chen‚ 1976). One objective of the ERD is to create a simple‚ easy to understand and conveniently presented data model consisting of entities‚ attributes‚ relationships and cardinalities. The model serves as tool for database design‚ where the model can facilitate communication
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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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Finance Department Finance 320 (501): Money and Banking Syllabus; Winter‚ 2013 Instructor: D. Andrew Bateman Location: DePaul Center Room 8210 Time: Monday & Wednesday; 11:50 am to 1:20 pm Office: DePaul Center; 5549 Telephone: 312-362-8351 Email: dbatema1@depaul.edu Office Hours: Monday & Wednesday: 9:00-10:00 am; 2:30-4:00 pm Tuesday: 9:00-12:00 am; 1:00-3:00 pm; Other times by appointment Course Objective: Our objective will be to
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talks and Scott Royster‚ the CFO of Radio One‚ continued to expand their radio station throughout the Eastern US‚ even going further north‚ like Detroit‚ MI. In May 1999‚ Liggins led the company to its IPO and by the end of their fiscal year Radio One‚ Inc. recorded a $81.7 million in net revenue‚ defined as revenue from local and national advertising less agency commissions. This was equivalent to an average growth rate of 51% over three years. In 1992 the Federal Communications Commission (FCC) relaxed
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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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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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List statements include an action‚ either permit or deny. To identify a host address in the access list statement‚ use the following formats: n.n.n.n n.n.n.n 0.0.0.0 OR host n.n.n.n Where n.n.n.n is the IP address of the host. To identify a network address‚ use the format: n.n.n.n w.w.w.w Where n.n.n.n is the subnet address and w.w.w.w is the wildcard mask. Enter access list statements in order‚ with the most restrictive statements at the top. Traffic is matched to access list statements
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UVA-F-1489 Version 2.0 GAINESBORO MACHINE TOOLS CORPORATION In mid-September 2005‚ Ashley Swenson‚ chief financial officer (CFO) of Gainesboro Machine Tools Corporation‚ paced the floor of her Minnesota office. She needed to submit a recommendation to Gainesboro’s board of directors regarding the company’s dividend policy‚ which had been the subject of an ongoing debate among the firm’s senior managers. Compounding her problem was the uncertainty surrounding the recent impact of Hurricane
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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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Bonus Assignment #2 COEN 233 Computer Networks Department of Computer Engineering Santa Clara University Dr. Ming-Hwa Wang Phone: (408) 525-2564 Course website: Office Hours: Fall Quarter 2012 Email address: mwang2@engr.scu.edu http://www.cse.scu.edu/~mwang2/network/ Monday & Wednesday 9:00-9:30pm Name: ID: Score: Due date: 7:10pm‚ January 14‚ 2013 Problem 1 What is the ISO OSI protocol stack? Please describe the functionality for each layer. ---------The answer is in your text book. Problem
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