Chapter 5: The Data Link Layer Our goals: ❒ understand principles behind data link layer services: ❍ ❍ ❍ ❍ ❒ error detection‚ correction sharing a broadcast channel: multiple access link layer addressing reliable data transfer‚ flow control: done! instantiation and implementation of various link layer technologies 5: DataLink Layer 5-1 Link Layer ❒ ❒ ❒ ❒ ❒ 5.1 Introduction and services 5.2 Error detection and correction 5.3Multiple access protocols 5
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Don’t forget to check out the Online Learning Center‚ www.mhhe.com/forouzan for additional resources! Instructors and students using Data Communications and Networking‚ Fourth Edition by Behrouz A. Forouzan will find a wide variety of resources available at the Online Learning Center‚ www.mhhe.comlforouzan Instructor Resources Instructors can access the following resources by contacting their McGraw-Hill Representative for a secure password. PowerPoint Slides. Contain figures‚ tables‚ highlighted
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Limitations of Data Mining Data mining is one of the more efficient tools when it comes to looking for specific characteristics over large amounts of data. It is as simple as typing in certain keywords and the words being highlighted in certain articles and other data. Data mining however‚ is not nearly a perfect process. It has certain limitations and capabilities that can vary by situation. The article N.Y. bomb plot highlights limitations of data mining‚ brought up a few very good points
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Analyzing and Interpreting Data QNT/351 September 16‚ 2014 Analyzing and Interpreting Data BIMS management team has been facing a major dilemma of high turnover and extremely low employee morale. BIMS management team has asked Team B to help identify the main cause of the high turnover and low morale and propose an acceptable solution that will result in a decrease of both. Data Collection Conclusion In the past few months we at BIMS have learned‚ thru the drop in employees that the company’s
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Data Collection Paper Week 2 Research Paper RES 341 University of Phoenix Real Estate Research Week 2 Real Estate provides individuals with a source of investment for his or her future. Owning a piece of real estate could be a business investment‚ or in the case of this research‚ a home for an individual or a family. When a person purchases a home there are many things to consider. The most common information to review is square footage‚ price‚ amount of bedrooms‚ bathrooms
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1. ------------------------------------------------- Types of searching 2.1 Binary search tree In computer science‚ a binary search tree (BST) is a node based binary tree data structure which has the following properties: * The left subtree of a node contains only nodes with keys less than the node ’s key. * The right subtree of a node contains only nodes with keys greater than the node ’s key. * Both the left and right subtrees must also be binary search trees. From the
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Organizational Theory and Design Case Study Analysis Rondell Data Corporation Case Analysis Abstract: The analysis of Rondell Data Corporation situation and discrepancies that were experienced throughout the company life cycle will help understanding the theory and design of organizations . By exploring the background of the problem‚ organization ’s functioning‚ the impact of organizational culture on the strategy and success of the company and problem identification‚ recommendations
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Data Gathering Techniques Data Gathering Techniques Interview • Interviews can be conducted in person or over the telephone. • Questions should be focused‚ clear‚ and encourage open-ended responses. • Interviews are mainly qualitative in nature. Data Gathering Techniques Advantages of interviews The main advantages of interviews are: • they are useful to obtain detailed information about personal feelings‚ perceptions and opinions • they allow more detailed questions to be asked • they usually
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be lower when the substitute is a poorer performance product. Customers are less likely to shift from Data Tech if substitute products are of lesser quality. Tech Data Corporation can deal with the threat of substitute products through an increment
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Data Dictionary: A software module and database containing descriptions and definitions concerning the structure‚ data elements‚interrelationships‚ and other characteristics of an organization’s databases. Data Mining: A process where data in a data warehouse is identified to discover key business trends and factors. Data Modeling: A process where the relationships between data elements are identified and defined to develop data models. Data Planning: A planning and analysis function
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