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    data networking study guide

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    MC; 6pages of short answers Review – labs • • Travel over the internet; TCP/UDP is from end to end‚ IP is in the middle‚ between hops o Write email – this is data o Data is sent to the transport layer and is SEGMENTED‚ adds s/d PORT # and sequence number o Network layer turns these into packets with s/d ip address o Data link layer turns these into frames with s/d mac address for default gateway o Frames go to switch and switch checks source mac and learns it if it doesn’t o Switch

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    DATA ANALYSIS OF WAL-MART STORES‚ INC COMPANY BACKGROUND Wal-Mart initially began its operations in 1945‚ when Sam Walton leased a ‘Ben Franklin’ franchise variety store in Newport‚ Arkansas. After relocating to Rogers‚ Arkansas in the early 1950s‚ Sam Walton’s ‘Ben Franklin’ became ‘Walton’s 5 & 10’. By 1962‚ Walton found himself the chain owner of 11 different Walton’s stores across Arkansas. He then decided to rename the chain ‘Wal-Mart’‚ after himself. On October 31‚ 1969‚ after further

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    Data Warehousing

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    Case Study 2 1.) Compare and contrast Inmon and Kimball’s definition of Data Warehousing. Bill Inmon advocates a top-down development approach that adapts traditional relational database tools to the development needs of an enterprise wide data warehouse. From this enterprise wide data store‚ individual departmental databases are developed to serve most decision support needs. Ralph Kimball‚ on the other hand‚ suggests a bottom-up approach that uses dimensional modeling‚ a data modeling approach

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    Data Link Case Study

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    The Importance of Data Link Communication in Aviation Matthew D. Palmer Embry-Riddle Aeronautical University Abstract This paper explores the importance of data link communication in aviation. The importance of these systems and their positive outcomes to the aviation world are also covered. Authorities such as the Federal Aviation Administration‚ EuroControl‚ and military departments will be used to show different aspects of data links importance. The importance of each department and

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    AP English: Literature and Composition Name: ALEXIS BARNES Major Works Data Sheet Major Works Data Sheet Page 2 Major Works Data Sheet Page 3 Characters| Name|Role in the story|Significance|Adjectives| MarlowKurtzAccountantCannibalsGeneral ManagerBrickmaker|European sailor‚ narrates the story‚ goes to Africa to pilot a riverboat for a Belgian ivory trading company‚ duty to seek out Kurtz‚ another riverboat captain‚ and bring him back to the trading companies central.Most successful

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    Data Dictionary

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    DATA DICTIONARY Data Dictionaries‚ a brief explanation Data dictionaries are how we organize all the data that we have into information. We will define what our data means‚ what type of data it is‚ how we can use it‚ and perhaps how it is related to other data. Basically this is a process in transforming the data ‘18’ or ‘TcM’ into age or username‚ because if we are presented with the data ‘18’‚ that can mean a lot of things… it can be an age‚ a prefix or a suffix of a telephone number‚ or basically

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    Major Works Data Sheet by Yerim Jee‚ Shaleen Singha‚ Judith Suzuki (Band 8) Title: Lord of the Flies Author: William Golding Date of Publication: 1954 Genre: Adventure; allegory; social criticism Historical information about the period of publications: When this novel was published in 1954‚ it was about 9 years after World War II had ended. Therefore‚ during this period of time‚ Americans were getting used to the times after the war‚ which had increases in industries and population. When

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    Data Types

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    LECTURE 1 DATA TYPES Our interactions (inputs and outputs) of a program are treated in many languages as a stream of bytes. These bytes represent data that can be interpreted as representing values that we understand. Additionally‚ within a program we process this data that can be interpreted as representing values that we understand. Additionally‚ within a program we process this data in various way such as adding them up or sorting them. This data comes in different forms. Examples include: your

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    Data Anomalies

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    Data Anomalies Normalization is the process of splitting relations into well-structured relations that allow users to inset‚ delete‚ and update tuples without introducing database inconsistencies. Without normalization many problems can occur when trying to load an integrated conceptual model into the DBMS. These problems arise from relations that are generated directly from user views are called anomalies. There are three types of anomalies: update‚ deletion and insertion anomalies. An update anomaly

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    Computer and Data

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    completes the statement or answers the question. 1) ________ is data that has been organized or presented in a meaningful fashion. 1) _______ A) A number B) Information C) A symbol D) A character 2) Which of the following is NOT one of the four major data-processing functions of a computer? 2) _______ A) storing the data or information B) gathering data C) analyzing the data or information

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