0.19KB/s il 4 O 49% 4:50 PMDoneQuestion 3.Explain what an IM is, and what is the technology shown inthe accompanying figure (fig. 1.0)Figure 1.0Questi on 4What methods do phishing and spoofing scammers use? List and explain methods to protectagainst phishing and spoofing scams. [10 marks]Question 5a. Describe the function of the following tools: File Manager, Uninstaller, Disk Cleanup,Disk Defragmenter, File Compression, Backup and Restore, and Power Management.| [20 marks]b. Describe how operating systems use the following security tools: firewalls, automaticupdating, antivirus software, and spyware and malware detection software. [10marks]C. Differentiate between how a user interacts with mobile and desktop operating systems.| [5marks] |Text editorEdit pictureFill FormAnnotation

Question 3 IM stands for Instant Messaging Instant messaging (IM) is a kind of communication over…

Question 3. | Explain what an IM is, and what is the technology shown in the accompanying figure (fig. 1.0) Figure 1.0 | Questi on 4 What methods do phishing and spoofing scammers use? List and explain methods to protect against phishing and spoofing scams. [10 marks]

Question 3. | Explain what an IM is, and what is the technology shown in the accompanying figure (fig. 1.0) Figure 1.0 | Questi on 4 What methods do phishing and spoofing scammers use? List and explain methods to protect against phishing and spoofing scams. [10 marks]

Operations Research : Applications and Algorithms

4th Edition

ISBN:9780534380588

Author:Wayne L. Winston

Publisher:Wayne L. Winston

Chapter20: Queuing Theory

Section20.9: Finite Source Models: The Machine Repair Model

Problem 3P

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