Which Windows utility helps identify a program that is using excessive CPU resources? • System Information • Task Manager • Command Prompt • File Locksmith
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Question One [40 Marks] 1.1 A user is complaining about their PC being relatively slow as of recent, explain to the user how defragmentation can assist them in speeding up their computer. [5 Marks] 1.2 What is the difference between software registration and product activation? [5 Marks] 1.3 Why is spam potentially dangerous? Provide a scenario as an example to substantiate your answer. [5 Marks] 1.4 Define the term, digital security risks, and briefly describe the types of cybercriminals. [5 Marks] 1.5 Discuss techniques to prevent unauthorized computer access and use. [5 Marks] 1.6 Discuss how encryption, digital signatures, and digital certificates work [15 Marks] Question Two [30 marks] 2.1 Explain to a user what encryption is, the benefit of encryption when sending a message and the types of encryptions used. [ 15 Marks] 2.2 With load shedding becoming an ongoing issue in South Africa, explain to a client the importance of backing up their data and recommend one type of backup that you think is suitable and why for them to keep their data safe from unexpected loss due to load shedding. [10 Marks] 2.3 Advise five ways in which companies can incorporate green computing into their business.[5 marks] Question Three [20 Marks] 3.1 What are some common digital security risks? [4 Marks] 3.2 How does a hacker differ from a cracker? [4 Marks] 3.3 What steps can you take to secure your wireless network? [4 Marks] 3.4 How does unauthorized access differ from unauthorized use? [4 Marks] 3.5 Describe the benefits of solid state drives over traditional mechanical drives. [4 Marks] A minimum of five current sources (references) should be used in all assignments and these should reflect in both in-text citations as well as the reference list or bibliography In-text citations and a reference list or bibliography must be provided. Use the Harvard Style for both in-text citations and the reference list or bibliography
Akash M.
Texts: Using the Windows Server 2016 Essentials virtual machine available through the course, log in as user "collegeadm" and password "He2021". Then, respond to the following questions: 1. In addition to "collegeadm", what other users have read and write access to the file "next_movie_script" located in your Documents folder? Hint: Right-click and go to Properties → Security. 2. Considering these users belong to the same security group, remove the individual permissions and grant the same permissions to the group they belong to. What group was it? What permissions did you grant? 3. Explain an advantage of using security groups over granting permissions to individual users. 4. What other user is a member of this group? How would you avoid this specific member from reading the file? 5. Right-click on any file in your Documents folder. Then, go to Properties → Security → Advanced. What is the Auditing tab used for? 6. Look for the "Microsoft Print to PDF" printer and check the permissions by clicking on Printer properties → Security. What users and/or groups can manage this printer? What permissions does the group "Everyone" have? 7. Open a command-line interface (cmd) and execute PowerShell (the prompt will start with PS). Then, get the SID for the domain administrator with the following cmdlet and write it down: Get-ADUser -Identity 'administrator' | select Name, SID 8. What is the PowerShell cmdlet to get the SID for the group "guests"? What is the SID? 9. Open a cmd and execute "echo this is a test > c:file.txt". What message do you get? Why? 10. How would you run cmd with enough privileges for the previous command to work? What is the path you are in (please note it is not the user's home)?
You receive a help desk ticket stating that a user's Window PC is giving an "error log full" message. What option would help yo resolve the issue? a. System information b. Device manager c. Event viewer d. Disk cleanup
Supreeta N.
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