Using Chapter 10 as a reference, eExplain the concept of information stores. Why is an understanding of how different clients store messaging information critical to the success of an email search?
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Faster Computing was impressed with your presentation. The company is interested in moving forward with the project, but the senior management team has responded to the presentation with the following questions and concerns:
(12.3.2: Describe the implementation of controls.)
(10.1.2: Gather project requirements to meet stakeholder needs.)
(12.4.1: Document how IT controls are monitored.)
(2.3.2: Incorporate relevant evidence to support the position.)
(10.1.3: Define the specifications of the required technologies.)
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After you have read Chapter 12 and listened to the Chapter 12 lecture read Case Study 12-2 Business Intelligence at CKE Restaurants. Answer question 1. How does the BIS at CKE add value to the buisness?
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Assignment 1: Error Handling in an Activity Diagram
Refer to the activity diagram Figure 2-15 on page 59 of the textbook. The diagram omits several error-handling pathways.
Write a two to three (2-3) page paper in which you:
Your assignment must follow these formatting requirements:
The specific course learning outcomes associated with this assignment are:
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Read Case – Five Famous ERP Failures and answer the Four questions on page 223 in a three to
five page paper excluding title, abstract, and reference pages, include at least three peer reviewed
sources found in the Potomac Library properly cited and referenced.
Please use this strategy when you analyze a case:
1. Identify and write the main issues found discussed in the case
(who, what, how, where and when (the critical facts in a case).
2. List all indicators (including stated “problems”) that something is
not as expected or as desired.
3. Briefly analyze the issue with theories found in your textbook or
other academic materials. Decide which ideas, models, and
theories seem useful. Apply these conceptual tools to the
situation. As new information is revealed, cycle back to sub steps
a and b.
4. Identify the areas that need improvement (use theories from your
textbook)
o Specify and prioritize the criteria used to choose action
alternatives.
o Discover or invent feasible action alternatives.
o Examine the probable consequences of action alternatives.
o Select a course of action.
o Design and implementation plan/schedule.
o Create a plan for assessing the action to be implemented.
5. Conclusion (every paper should end with a strong conclusion or
summary)
Writing Requirements
5 pages in length (excluding cover page, abstract, and
reference list)
APA format, Use the APA template located in the Student
Resource Center to complete the assignment.
Please use the Case Study Guide as a reference point for writing
your case study.
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Create a 3- to 4-page document (to submit in Blackboard) that includes the following:
Our system administrator was asking me about the security for SIM. You and I have not discussed this topic in depth. We need to do a risk assessment and look at all types of security issues: physical, network, application, file, user, and procedural.
Make a list of the security risks for all six security levels. We need to make sure that we don’t leave our new system vulnerable to attacks.
Also, what is the backup method to be used for SIM? Please explain why you’ve chosen this method.
As you well know, maintenance on any system is essential to fix mistakes, add enhancements, or maintain security. I was wondering what you were thinking for SIM’s ongoing maintenance plan. We are hoping that this system will last for the next 5 years. We will have to assume responsibility for maintenance if we build this system in-house. Do you think we should hire enough IT staff to maintain this system in-house or should we outsource it?
To help the company think this decision through, please make two lists for pros and cons of in-house maintenance vs. outsourced maintenance. Could you get this to me today?
Now that we have isolated the necessary features for an in-house built system, we need figure out if it will be economically feasible to build this software. Mae Roth has asked for the bottom-line numbers for this project. Not only do we need to tell her how much the system will cost to build, but she wants to know what the total cost of ownership would be if we use this system for the next 5 years. You will need give her the numbers in net present value. Since our IT team is unionized, their contract states that they will get a $3/hour raise each year for the next 5 years.
Assume that we will need 2 servers initially for this project. Also assume that we will have to replace these servers every two years.
In the spreadsheet that you create, show the initial build cost and the cost for years 2-5 of maintenance. Finally, give the NPV for the entire project.
After the cost feasibility is complete, Mae will finally decide between the pre-packaged software and an in-house build. Thanks for all your incredible work on this project!
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List the two most important diagrams in one of the three modeling spaces. The three modeling spaces are: the problem space, the solution space, and the architectural space. Some of the diagrams include: Use case, activity, package, class, sequence, interaction overview, and state machine diagrams. More information can be obtained from chapter three of the book: Software engineering with UML by Unhelkar, B., ISBN 9781138297432. Provide a sample diagram created in Lucidchart (https://www.lucidchart.com/pages/).
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You’ll create both pseudocode and a flowchart to design a mobile app. The app will write the device’s latitude and longitude to a file each time the device’s location changes. Use the techniques discussed in Section 3.3 and Chapter 10 of your textbook to write the latitude and longitude to the file as a record.Write your pseudocode in a plain-text editor such as Notepad or TextEdit, and save as a text file (*.txt). Also, save a screenshot of your flowchart as a JPEG file (*.jpg).
In addition to creating pseudocode and a flowchart for your app, you’ll also create a basic GUI design for your app. You can use Microsoft PowerPoint or Apache OpenOffice Impress to lay out your GUI and indicate components such as buttons, text boxes, sliders, and others. Be sure to label your GUI design with component names and indicate their properties. When you’re finished, save your GUI design as a Portable Document Format (PDF) file (*.pdf).
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Need 2 labs completed, the first sooner as soon as possible and the second by April 30th
ITCO101 Unit 1 Lab
Introduction LabSim PC Pro is used to provide a simulated, hands-on laboratory for the purposes of learning about important hardware and software concepts. In an online environment it is impossible for students to work directly with hardware or software in administrative scenarios. Therefore, LabSim is the tool that supports students in their pursuit to understand difficult concepts in an online environment.
Use of LabSim PC Pro requires a one-time registration process. You should have received an activation code from the bookstore (Words of Wisdom). Notify the bookstore immediately if you have not yet received your activation code. Contact them at [email protected].
Instructions for accessing LabSim can be found in the Course Materials section. You can also contact your instructor with any questions. You will have access to PC Pro for 36 months (3 years) from the date of registration.
Note that LabSim PC Pro is aligned with CompTIA’s A+ certification. Completing this lab will not qualify you to complete the exam. One must complete several courses in order to cover all the concepts included in the certification exam. Further, completing the coursework does not conclude with automatic certification. Those students who wish to pursue certification may do so outside the classroom. For those students that qualify, they may contact the Registrar’s office for receipt of a discounted certification voucher honored by CompTIA.
Hardware Requirements: Refer here to verify that you meet the necessary Hardware Requirements. Note that you will need speakers.
Expected Time for Completion: Eight (8) hours or more depending on time necessary to familiarize yourself with tool and the particular Sections you choose to complete. You may complete the tasks in numerous iterations. You do not need to complete all the lab tasks in one sitting.
Lab Description Upon completion, you will:
navigate LabSim modules; experience and utilize a variety of learning tools including videos, Fact sheets, images, etc.; interact with hardware and software in a simulated environment; describe the various types of computer system components; install various components including power supplies, motherboards, processors, memory, BIOS/UEFI, expansion cards, video cards, and sound cards .
Lab Tasks Each module contains numerous Sections. Each section contains sub-sections. The last sub-section contains Practice Questions related to the topic of that sub-section. The Practice Questions are not required. Completing the Practice Questions are optional. The results of the Practice Questions do not impact your course grade one way or the other.
Module 1.0 Computing Overview
Complete the following three sections and the specified sub-sections to become familiar with the LabSim environment and basic computer hardware. For example, for section 1.2, complete sub-sections 1.2.1, 1.2.2, 1.2.3, 1.2.4.
Section 1.1 Course Introduction
Section 1.2 Using the Simulator (Review demos and complete simulations: Sections 1.2.1, 1.2.2, 1.2.3, 1.2.4)
Section 1.3 Hardware Basics (Review videos and complete simulation: Sections 1.3.1, 1.3.3, 1.3.6, 1.3.7)
Module 3.0 System Components
Below are numerous sections covering System Components. Many of these sections include handson simulations. You may complete any or all of these sections. You are required to choose seven sections, at a minimum. For example, you may choose Section 3.1, Section 3.2, Section 3.3, Section 3.5, Section 3.7, Section 3.8, and Section 3.14. Again, choose what is of interest to you. Review all videos, demos and simulations included in your chosen sections.
You are required to choose and complete seven sections only. But you may choose to complete anywhere from seven sections to all the sections, depending upon your time availability. Note that you are permitted to return to this module at any time throughout the course and the program if you wish to complete more than your chosen sections required for this assignment. However, the grade for this will be determined based upon the chosen sections completed during Unit 1.
Section 3.1 Cases and Form Factors (Review video only: Section 3.1.1)
Section 3.2 Power Supplies (Review videos and complete simulation: Sections 3.2.1, 3.2.3, 3.2.4, 3.2.5)
Section 3.3 Motherboards and Buses (Review videos and simulation: Sections 3.3.1, 3.3.3, 3.3.5)
Section 3.5 Processors (Review video, demo and simulations: Sections 3.5.1, 3.5.5, 3.5.7, 3.5.8)
Section 3.7 Memory (Review videos and RAM Facts: Sections 3.7.1, 3.7.2, 3.7.4)
Section 3.8 Memory Installation (Review video, demos, and complete simulations: Sections 3.8.1, 3.8.3, 3.8.4, 3.8.5, 3.8.7)
Section 3.10 BIOS/UEFI (Review videos, demos, and complete simulations: Sections 3.10.1, 3.10.2, 3.10.4, 3.10.5, 3.10.6, 3.10.7, 3.10.8)
Section 3.11 Expansion Cards (Review videos and complete simulation: Sections 3.11.1, 3.11.3, 3.11.4)
Section 3.12 Video (Review video, demo and complete simulation: Sections 3.12.1, 3.12.3, 3.12.5)
Section 3.13 Audio (Review videos, demo and complete simulation: Sections 3.13.1, 3.13.2, 3.13.4, 3.13.7)
Section 3.14 Cooling (Review video: Section 3.14.1)
The above Sections include the following hands-on simulations.
1.2.2 Explore the Lab Interface 1.2.4 Connect Internal Components 1.3.6 Set Up a Computer
3.2.5 Install a Power Supply 3.3.5 Choose and Install a Motherboard 3.5.7 Select and Install a Processor 1 3.5.8 Select and Install a Processor 2 3.8.3 Select Memory by Sight 3.8.7 Install Triple Channel Memory 3.10.7 Find BIOS/UEFI Settings 3.10.8 Clear CMOS Settings 3.11.4 Install Expansion Cards 3.12.5 Upgrade a Video Card 3.13.7 Select and Install a Sound Card
A word document goes with it
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2- 3 pages EPA Style assignment.
The deliverable will be an APA style paper consisting of 2-3 pages (excluding cover, TOC & References pages) with the following Table of contents:
+ Abstract
+ Context and Background Information
+ Identification of the Main Issues/ Problems
+ Analysis of the Issues
+ Questions Answers
+ References
Here is the Case Study at below needs to be analyses and than 2,5 pages needs to write!! with APA style!!
eBay is the world’s largest online marketplace, enabling the buying and selling of practically anything. Founded in 1995, eBay connects a diverse and passionate community of individual buyers and sellers, as well as small businesses. eBay’s collective impact on e-commerce is staggering: In 2012, the total value of goods sold on eBay was $75.4 billion. eBay currently serves over 112 million active users and 400+ million items for sale.
One of the keys to eBay’s extraordinary success is its ability to turn the enormous volumes of data it generates into useful insights that its customers can glean directly from the pages they frequent. To accommodate eBay’s explosive data growth—its data centers perform billions of reads and writes each day—and due to the increasing demand to process data at blistering speeds, eBay needed a solution that did not have the typical bottlenecks, scalability issues, and transactional constraints associated with common relational database approaches. The company also needed to perform rapid analysis on a broad assortment of the structured and unstructured data it captured.
Its Big Data requirements brought eBay to NoSQL technologies, specifically Apache Cassandra and DataStax Enterprise. Along with Cassandra and its high-velocity data capabilities, eBay was also drawn to the integrated Apache Hadoop analytics that come with DataStax Enterprise. The solution incorporates a scale-out architecture that enables eBay to deploy multiple DataStax Enterprise clusters across several different data centers using commodity hardware. The end result is that eBay is now able to more cost effectively process massive amounts of data at very high speeds, at very high velocities, and achieve far more than they were able to with the higher cost proprietary system they had been using. Currently, eBay is managing a sizable portion of its data center needs—250TBs+ of storage—in Apache Cassandra and DataStax Enterprise clusters.
Additional technical factors that played a role in eBay’s decision to deploy DataStax Enterprise so widely include the solution’s linear scalability, high availability with no single point of failure, and outstanding write performance.
eBay employs DataStax Enterprise for many different use cases. The following examples illustrate some of the ways the company is able to meet its Big Data needs with the extremely fast data handling and analytics capabilities the solution provides. Naturally, eBay experiences huge amounts of write traffic, which the Cassandra implementation in DataStax Enterprise handles more efficiently than any other RDBMS or NoSQL solution. eBay currently sees 6 billion+ writes per day across multiple Cassandra clusters and 5 billion+ reads (mostly offline) per day as well.
One use case supported by DataStax Enterprise involves quantifying the social data eBay displays on its product pages. The Cassandra distribution in DataStax Enterprise stores all the information needed to provide counts for “like,” “own,” and “want” data on eBay product pages. It also provides the same data for the eBay “Your Favorites” page that contains all the items a user likes, owns, or wants, with Cassandra serving up the entire “Your Favorites” page. eBay provides this data through Cassandra’s scalable counters feature.
Load balancing and application availability are important aspects to this particular use case. The DataStax Enterprise solution gave eBay architects the flexibility they needed to design a system that enables any user request to go to any data center, with each data center having a single DataStax Enterprise cluster spanning those centers. This design feature helps balance the incoming user load and eliminates any possible threat to application downtime. In addition to the line of business data powering the Web pages its customers visit, eBay is also able to perform high-speed analysis with the ability to maintain a separate data center running Hadoop nodes of the same DataStax Enterprise ring (see Figure 7.7).
Another use case involves the Hunch (an eBay sister company) “taste graph” for eBay users and items, which provides customer recommendations based on user interests. eBay’s Web site is essentially a graph between all users and the items for sale. All events (bid, buy, sell, and list) are captured by eBay’s systems and stored as a graph in Cassandra. The application sees more than 200 million writes daily and holds more than 40 billion pieces of data.
eBay also uses DataStax Enterprise for many time-series use cases in which processing high-volume, real-time data is a foremost priority. These include mobile notification logging and tracking (every time eBay sends a notification to a mobile phone or device it is logged in Cassandra), fraud detection, SOA request/response payload logging, and RedLaser (another eBay sister company) server logs and analytics.
Across all of these use cases is the common requirement of uptime. eBay is acutely aware of the need to keep their business up and open for business, and DataStax Enterprise plays a key part in that through its support of high availability clusters. “We have to be ready for disaster recovery all the time. It’s really great that Cassandra allows for active-active multiple data centers where we can read and write data anywhere, anytime,” says eBay architect Jay Patel.
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