Computer Science

1)For this question you will do a little online research. Please be detailed.a) Find a Virus attack that hit the US in the last decade and describe it.b) Find a Worm attack that hit the US in the last decade and describe it.c) For each, be sure to answer these questions (please don’t use ones in Hw1)i. What specifically did it infect?ii. What was the payload?iii. What was the financial toll if any?Answer here: Minimum 350 words for (a) and 350 words for (b). Be sure to cover all 3 parts of (c) in each.2)Besides WireShark, what other tools are available to enable packet sniffing?a) Describe at least two that are freely available on your favorite OS. (include URL)b) What features do they offer over WireShark and vice versa?Answer here: Minimum 250 words for each of two in (a). Be sure to answer (b) for each.3)Another useful tool is called a port scanner (sniffer). It allows you to see what ports are active on your system (or someone else’s).a) Choose your favorite OS and find one and describe it. (include URL)Answer here: Minimum 400 words (include some features/options/commands it has).

Explain and apply important concepts related to various interface artefacts and their appropriate application.

Wireless, Mobile Computing, and Mobile CommerceWhat are the major drivers of mobile computing?Describe Wi-Fi, cellular service, and WiMAX.List three to four major advantages of wireless commerce to consumers and explain what benefits they provide to consumers.Discuss how m-commerce can expand the reach of e-business.

InfoTech in a Global Economy (ITS 832)Find a peer-reviewed scholarly journal article discussing electronic innovation and the government. Complete a review of the article by writing a 3 pages overview of the article. This will be a detailed summary of the journal article, including concepts discussed and findings. Additionally, find one other source (it does not have to be a peer-reviewed journal article) that substantiates the findings in the article you are reviewing.You should use Google Scholar to find these types of articles ( https://scholar.google.com/ ) Once you find the article, you will read it and write a review of it. This is considered a research article review.Your paper should meet these requirements:Be approximately three to four pages in length, not including the required cover page and reference page.Follow APA 7 guidelines. Your paper should include an introduction, a body with fully developed content, and a conclusion.Support your answers with the readings from the course and at least two scholarly journal articles to support your positions, claims, and observations, in addition to your textbook. The UC Library is a great place to find resources.Be clearly and well-written, concise, and logical, using excellent grammar and style techniques. You are being graded in part on the quality of your writing.

What are the strategic and technical security measures for good database security?

Assignment Questions:answers should be in APA format and properly cited and referencesWhat is multifactor authentication and what are some examples?Ending all online crime is not a realistic goal, but simple steps can massively reduce the likelihood you’ll be the next victim. Explain how multifactor authentication works.List 5 reasons to turn on multifactor authentication?Provide at least two additional links to articles related to multifactor authentication.

Discussion: What are the common business problems addressed by Big Data analytics? In the era of Big Data, are we about to witness the end of data warehousing? Why?Questions:1. What is Big Data? Why is it important? Where does Big Data come from?2. What do you think the future of Big Data will be? Will it lose its popularity to something else? If so, what will it be?3. What is Big Data analytics? How does it differ from regular analytics?4. What are the critical success factors for Big Data analytics?5. What are the big challenges that one should be mindful of when considering implementation of Big Data analytics?

Subject: Telecommunication Systems and Management601 Assignment 10Assignment DescriptionThis assignment contains 7 essay questions. Please provide detail answer toall questions. Please list your reference/s.Questions are related to chapters 6, 7,8,9, 10, 12.1. Explain and describe how do you keep your LAN secure.2. Read Chapter 12 and explain Public Key Infrastructure concept in your own words.3. Explain what is/are Firewall and provide detail description of the following and describe where to use them.A. Packet filter firewallB. Proxy serverC. Application layer4. Explain the concept of Virtual LANs and how they work in your own words5. Distinguish local area networks, metropolitan area networks, and wide area networks from each other. Please provide detailed description.6. Describe the responsibilities of the Internet Protocol (IP) and how IP can be used to create a connection between networks.7. Discuss the responsibilities of the Transmission Control Protocol (TCP) and how it can be used to create a reliable, end-to-end network connection.601 Discussion 10Discussion TopicDuring the past 9 weeks you have studied concepts of Telecommunication Systems & Management. Please write 2/3 paragraph and discuss what topic /subject was your favorite and briefly discuss the topic/subject in your own words.200+ words, APA format, and one reference please

Subject: Enterprise IT Application and Integration609 Assignment 9Assignment DescriptionDo some research on the Internet to find current opinions on the pros and cons of using SaaS. Try to find some examples of success and failure stories. Under what circumstances do you think using a SaaS makes sense?350+words APA format and two references please.609 Discussion 9Discussion TopicSearch the web and briefly discuss the current status of mobile applications for phones and tablets in the corporate world. Please be very brief,

Question 5Course – Telecomm Communications and Network SecurityIdentify a network in which you are familiar. What topology is used? What, if any, penetration testing is done? What is considered best practice? In this paper, you should compare best practice of testing and topologies to the network you have identified and contrast the two.Need 1.5 pages APA format paper. No plagiarism.