Reflect on the questions by writing a 2-paragraph response. Include the reference(s) (APA Format) to an educational website other than Wikipedia that helped you to form your response. Answer all questions.
Questions:
1. What risks and safeguards are associated with wireless communication?
2. What is “war driving” or “war flying”?
3. Are you comfortable (or would you use) a wireless “hot spot” to do computer work?
4. What safeguards might you use in accessing an unprotected (public) wireless communications?
5. Are you more at risk using a wireless connection via laptop or a connection via a smart phone?
: Computer Science
Discussion Question 3-1
Discussion Question 3-1. The development of a work breakdown structure can be challenging. It requires a good understanding of the problem and a good understanding of the proposed solution. The proposed solution must be “broken down” into its major parts, each of which may be further broken down. Comment on your experience in developing a work breakdown structure for your individual project. What was easy? What was difficult? What problems did you encounter and how did you solve them?
Discussion Question 3-2
Discussion Question 3-2. Two IT acquisition planning teams worked together to study the same problem and develop alternative solutions for solving it. The teams then separated and each developed a work breakdown structure for the same alternative solution. The teams then compared the resulting work breakdown structures and found that they were significantly different. Is only one of the work breakdown structures correct? Could both be correct? Could both be incorrect?
Discussion Question 3-3
Discussion Question 3-3. SEIs CMMI-ACQ 1.3 guide on pages 279-280 discusses the work to include in the WBS. In the WBS, how is the work to be done by the buyer distinguished from the work to be done by the IT services contractor? (One paragraph)
: Computer Science
Question 1
The integration of applications is becoming increasingly complex. One difficulty is the integration of different data types within a variety of applications – such as customer information that may exist in different database schemas and technologies within an organization. The term Polyglot Programming refers to applications written in a mix of languages to take advantage of the fact that different languages are suitable for tackling different applications with different types of data models
1. Describe an example application (different from an e-commerce example) to illustrate how a variety of related component applications could make use of data stores with different availability, consistency, and backup requirements. (I.e. Banking, educational, social media, etc.)
• (Show a description of the example application to the discussion – include a list of the component applications (at least 3 components with different NoSQL data stores).
Question 2
For each component application you identified in question 1, determine the type of NoSQL database that you would use as to meet the component’s requirement using the guidelines from page 194 of Data Access for Highly-Scalable Solutions: Using SQL, NoSQL, and Polyglot Persistence.. (The authors provide the guidelines to consider when mapping functionality of an application to specific types of NoSQL databases.
• Post a description of type of NoSQL database and its functionally that influenced your choice of NoSQL database for each component application described in question 1.
Computer Science
1. a. Identify four network classifications, define them, and list the advantages and disadvantages in this table. Fill in the provided template.
Network Classifications
Definitions
Advantages
Disadvantages
1.
2.
3.
4.
1. b. Sketch/draw the four different networks. Use whatever tools are necessary to make your drawings. In addition to any sketch tools that you may have on your computer, Word offers Shapes and SmartArt in the toolbar, both of which may be helpful in illustrating networks.
2. List six protocols that are used on the Internet and what they are used for.
Protocols
Description/Use
1.
2.
3.
4.
5.
6.
3. Make a timeline of events associated with the evolution of the Internet
.
4. For this essay, you are going to be using the information tool, Wikipedia, briefly to find original sources on the subject of cloud computing. I want you to verify two references in Wikipedia, and write a 200-word essay on any aspect of cloud computing that you want. Look on page 290 of your textbook for some helpful hints.
Keep in mind that you will be using references found in the Wikipedia article, and you do NOT cite Wikipedia. You are using this as a research tool to drill down to find the factual sources.
Keep in mind that CSU has a strict policy against using Wikipedia as a source in assignments. If you would like to view the policy, it is available in the CSU Online Library under the “Research Tools” link.
Computer Science
1. Perform an Internet search, and list at least five operating systems (OS), descriptions of the OS, and pros and cons of each one. Fill in the table below.
Operating Systems
Descriptions
Pros
Cons
1.
2.
3.
4.
5.
2. List seven categories of software, and describe each one with no less than 75 words per category.
Software Categories
Description
1.
2.
3.
4.
5.
6.
7.
3. Demonstrate that you can manage files on your computer by looking at the files on your computer and locating at least five files or folders that should be renamed or relocated to improve the organization and make it easier to locate information on your computer. Take a screenshot of the “before” look of the files, and take a screenshot of “after” you make changes to your files. Copy and paste the screenshots into this template.
4. Browse and search the Internet for public domain software. View the software’s requirements and then check your computer system. Will this software run on your system? Why, or why not?
5. Download a free mobile app that has a practical use. Write an evaluation of the app. If you do not have the capability to download an app, choose an app, research it, and write an evaluation based on your research.
6. On page 181 of your textbook is a concept map. Fill in the table below to show the hierarchy of software.
a.
b.
c.
d.
e.
f.
g.
h.
7. On page 243 of your textbook is a concept map. Fill in the table below to illustrate the hierarchy of OS resource management activities.
a.
b.
c.
d.
e.
f.
g.
h.
i.
j.
k.
Computer Science
1. A co-worker with a strong Windows background is having difficulty understanding UNIX file permissions. Describe UNIX file permissions for him. Compare UNIX file permissions to Windows file permissions.
2. How are authentication and authorization alike and how are they different. What is the relationship, if any, between the two?
3. What is a VPN and what technologies are used to create one?
Please note that the requirement here is to write a 1 -2 (500 – 750 words) page paper. Be sure to include at least two reference sources. APA rules for formatting, quoting, paraphrasing, citing, and listing of sources are to be followed.