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CMIT 495 UMGC Wk1 Virtualization in Cloud Environment Essay

  1. What are the benefits of virtualization in a cloud environment? Discuss a minimum of three benefits in detail.
  2. From the local computer establish an SSH connection to the AWS Ubuntu Server virtual instance, login, and update the Ubuntu Server using sudo apt-get update and sudo apt-get upgrade. Perform a screen capture after having each command successfully run.

ubuntu@ip-172-31-26-252:~$ sudo apt-get update:

ubuntu@ip-172-31-26-252:~$ sudo apt-get upgrade

3. Next, describe in depth what the update and upgrade commands are doing (explain why it is important to run these commands, how often should these commands be run, where do the commands pull the updates).

4.The CTO is fascinated at how easy it was for you to launch the Ubuntu virtual machine. She is now curious about the overall costs of doing so for all developers within the organization. The developers within the organization receive a new laptop or desktop each year per the refresh cycle. Specifically, she has tasked you to provide an estimate of yearly costs using AWS versus the organization refreshing developer laptops and desktops, given the following information and constraints.

Organizational Costs for Existing Equipment:

  • 35 laptops are refreshed every 2 years at an average cost of $1,200 per machine.
    • These laptops have a 90W power supply but run at 37W.
  • 65 desktops (and peripherals) are refreshed every 2 years at an average cost of $1,600 per machine.
    • These desktops have a 650W power supply but run at 220W.
  • Due to the unique development environment, the laptops and desktops are not powered off. The average electricity cost for the organization is $0.15 KWH. Thus, each laptop costs $48.60 to run for a year, and each desktop costs $289.50 to run for a year.
  • Consider all the aforementioned expenses the organization incurs when making your recommendation and be sure to show your work.

Amazon AWS Costs for Hosting the Virtual Desktop

  • The organization would need to replace all of the developer laptops and desktops with an AWS Linux virtual machine.
  • Using the AWS Dashboard Calculator, calculate the cost to meet the organizational needs given the details above.

After performing the necessary calculations based on the organizational requirements, perform a cost-benefit analysis and provide your recommendation. Make sure to summarize your findings and justify your solution.

5.Virtualization allows us to place the functionality of many servers into a single host while maintaining configurable levels of separation between all virtual machines. How do you believe virtualization could help in data center consolidation? What would you be leery about during and after any transition?

6. Does virtualization increase the cybersecurity posture of the organization? If so, describe how and why. If not, describe how and why not?

7. There are various virtualization options: bare-metal (Type 1) in which the hypervisors run directly on the hardware as their own operating systems, and user-space (Type 2) hypervisors that run within the conventional operating systems. Which of these options is more secure? Describe the vulnerabilities you believe exist in either Type 1, Type 2, or both configurations. What do you believe can be done to mitigate these vulnerabilities?

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