Answer & Explanation:
No Browsing History:
- Your browser is probably set to incognito mode, change it to general mode.
- space set on your drive to save the content from your browser might be completely filled, Make sure you have given your browser enough space on your drive to save contents.
- The number of days to record the history in your browser is set to 0, Check the settings and make sure it is not set to 0.
Phishing Scam
- Change all the credentials on the site that you have disclosed.
- Immediately report the mail to an IT department and necessary authorities.
- Mark the mail as span and block the mail id.
Suspicious File Attachment
- May be that the suspicious file contains a virus file. Often such viruses are attached to external "Show-case" files so that the victim is not able to identify them. Once the external file is tried to open, the virus slips into the main memory (your RAM) and start executing in the background, creating copies of itself and executing every copy. Soon they start eating up the main memory (The memory that runs all your programs) making your PC slow to respond.
Antivirus Software Outdated
- Connected to the Internet and update the antivirus.
Laptop's Physical Security
- Set a password.
- install a tracking software.
C. A relay is an electrical switch that works through electromagnetism.
Answer: c) Web 2.0
Explanation:
Web 2.0 is the technology that consist applications and websites for the people to interact and sharing information, activities, event and other materials through social media components like blog, social networking sites,wikis, podcast etc.
- Other options are incorrect because artificial intelligence, ERP(Enterprise resource planning) and XML(Extensible Markup Language) are not the tools that is used by users for interaction and communicating with the help of social media components.
- Thus, the correct option is option(c).