Answer:
1. B
2. D
3. C
4. A
5. B
Explanation:
1. To check the integrity of your hard disk and fix various file system errors, the Windows utility which should be implemented is Check disk (Chkdsk). This utility is always used with the command line interface (CLI) with the command "chkdsk."
2. An event or action took place and it caused damage to data, hardware, software and processing capability of the computer. From the statement given, security risks are being described. Any event or action that is capable of causing a problem to a computer system is considered to be a security risk and should be prevented through the use of an appropriate utility software.
3. Virus is a software program that can infect, damage and disrupts the whole computer system.
4. To protect the whole computer system, the software utility which is needed is an Anti-virus.
5. To avoid losing valuable data to your computer, the most important thing to do is to regularly back-up your files.
Answer:
D. System Analysis
Explanation:
System analysis can be defined as the process of analysing a problem in order to the know the cause thereby finding a way to resolve it or finding a solution to it.
System analysis enables us to easily study procedure or process thereby identifying what the objective of the procedures is which will in turn help to achieve what we needed to achieve.
System analysis is important because it enables easier identification of a problem which make us to find the best way to solve the problem since it is a problem solving technique which ensures that all problem are been resolved accurately and efficiently
<span>The statement that IPv6 includes a native information security framework (IPsec) that provides both data and control packets is false.
</span>IPSec is a mandatory component for IPv6, and is used to natively protect IPv6 data <span>as it is sent over the network,. and not control packets.
</span>The IPv6 IPSec is a set of Internet standards that uses cryptographic security services to provide confidentiality ,data origin authentication and data integrity<span>
</span>
The answer to this is Optical mouse.
The reason the answer is optical mouse is because the optical mouse is a computer mouse which uses a light source, typically a light-emitting diode, and a light detector, such as an array of photodiodes, to detect movement relative to a surface.
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