Answer: A, it's the most professional way or C but I'd choose A
Smartphones! because mobile apps go on smartphones
Answer:Obscurity
Explanation: Security through the obscurity is the mechanism that is used for the security purpose in an operating system by inducing the confidentiality in the internal parts of the operating system.
The functioning of the security through obscurity(STO) works by hiding the flaws and errors related to security of the operating system.Thus , Signe is willing to use obscurity system.
A tool in administrative tools which you should open if you want to view messages to troubleshoot errors is an: b. event viewer.
<h3>What is an operating system?</h3>
An operating system (OS) can be defined as a system software that's usually pre-installed on a computing device by the manufacturers, so as to manage random access memory (RAM), software programs, computer hardware and all user processes.
<h3>What is an
event viewer?</h3>
An event viewer can be defined as an administrative tool that is found in all versions of Windows Operating System (OS) which is designed and developed to enable administrators and end users in viewing the event logs of software application and system messages such as errors on a local or remote machine.
In this context, we can reasonably infer and logically deduce that an event viewer is a tool in administrative tools which you should open if you want to view messages to troubleshoot errors.
Read more on event viewer here: brainly.com/question/14166392
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