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Part 1

Case Study: Database Development Write a two to three (2-3) page paper in which you:

1. Recommend at least three (3) specific tasks that could be performed to improve the quality of datasets, using the Software Development Life Cycle (SDLC) methodology. Include a thorough description of each activity per each phase.

2. Recommend the actions that should be performed in order to optimize record selections and to improve database performance from a quantitative data quality assessment.

3. Suggest three (3) maintenance plans and three (3) activities that could be performed in order to improve data quality.

4. From the software development methodologies described in the article titled, “Process-centered Review of Object Oriented Software Development Methodologies,” complete the following.

1. Evaluate which method would be efficient for planning proactive concurrency control methods and lock granularities. Assess how your selected method can be used to minimize the database security risks that may occur within a multiuser environment. 

2. Analyze how the verify method can be used to plan out system effectively and ensure that the number of transactions do not produce record-level locking while the database is in operation.

Your assignment must follow these formatting requirements:

· Be typed, double spaced, using Times New Roman font (size 12), with one-inch margins on all sides; citations and references must follow APA or school-specific format. Check with your professor for any additional instructions.

· Include a cover page containing the title of the assignment, the student’s name, the professor’s name, the course title, and the date. The cover page and the reference page are not included in the required assignment page length.

Part 2 IT security policy and IT infrastructure

Subject_1 ( 2pages_IT Infrastructure

Refer to the Guidelines for Homework Assignments in Course Documents(I will provide you those guidlines)

* Find a recent article (within the past 4 months) of a company who has experienced a computer/network threat. Summarize the type of threat, how it affected the company, and what the company has done about the situation. How could this have been prevented?

Subject_2 (2pages)_IT Security Policy

The end of chapter 14 contains case studies and examples of successful IT policy enforcement.  For this week's assignment, you are to develop your own case study that discusses the various problems with enforcing IT policies.  Your case can either illustrate a lack of enforcement or successful enforcement. Include lesson's learned, how enforcement could be improved, and any tools that would improve policy compliance. Your paper should be 2-3 pages. (Note: Graphs, charts, images, etc. do not count in the length of the paper.)

Part 3

Part 1: Primary Task

Within the Discussion Forum area, write at least 300 words that respond to the following questions with your thoughts, ideas, and comments. This will be the foundation for future discussions by your classmates. Be substantive and clear, and use examples to reinforce your ideas:

Chose one of the following methods to assist for your paper submission

Choice #1Find a product that is in each of the following 4 stages of the life cycle, and explain why it is in that step:

1. Introduction

2. Growth

3. Maturity

4. Decline

Part 4 Cyberterrorism

Write a 1-2 page essay discussing the various elements of the United States critical infrastructure that are potentially vulnerable to cyberterrorism. Cite examples of recent attacks by cyber-terrorists on U.S. assets. Finally, recommend changes that can be made to mitigate the potential for these attacks