Information Storage and Management V2 Solution Hints for End of Chapter Exercises

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Most of the exercise questions provided at the end of each chapter are research or project based. The primary purpose of such questions is to initiate the thought process in students mind. Students are recommended to research further on the given topics and gain more information. This document only provides solution hints for most of the exercise questions. Chapter 1: 1. What is structured and unstructured data? Research the challenges of storing and managing unstructured data. 2. Discuss the benefits of information-centric storage architecture over server-centric storage architecture. 3. What are the attributes of big data? Research and prepare a presentation on big data analytics. 4. Research how businesses use their information assets to derive competitive advantage and new business opportunities. 5. Research and prepare a presentation on personal data management. Chapter 2: 1. What are the advantages of a virtualized data center over a classic data center? 2. An application specifies a requirement of 200 GB to host a database and other files. It also specifies that the storage environment should support 5,000 IOPS during its peak workloads. The disks available for configuration provide 66 GB of usable capacity, and the manufacturer specifies that they can support a maximum of 140 IOPS. The application is response time sensitive, and disk utilization beyond 60 percent does not meet the response time requirements. Compute and explain the theoretical basis for the minimum number of disks that should be configured to meet the requirements of the application. 3. Which components constitute the disk service time? Which component contributes the largest percentage of the disk service time in a random I/O operation? 4. The average I/O size of an application is 64 KB. The following specifications are available from the disk manufacturer:

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