18. What are Cookies?
Answer: Cookies are programs that are created on your local computer when you visit websites. Through cookies, websites can stores logon details, details of a shopping cart, visited pages on a website, etc.
19. How Cookies are dangerous?
Answer: Though cookies are meant for storing data based on your activity performed during your earlier visit such as logon details, details of a shopping cart, visited pages on a website, etc. they could also be tracked by unauthorized users and possibly gain access to your personal information.
To protect from cookies, you should clear browser cookies frequently.
20. What is a firewall?
Answer: Firewalls could be software or hardware and can assist in keeping a computer and a network secure. Firewalls analyze the network traffic and determine if the traffic should be allowed or not.
21. Why you should not download and install any software from an unknown source?
Answer: Downloading and installing software from an unknown source is dangerous, because it may contain malware i.e. spyware.
22. Why you should remove unwanted and unknown software from your computer?
Answer: Sometimes it happens, some unwanted and unknown software gets installed on your computer, while you are using the internet or installing any other applications. It becomes dangerous, it may send personal data without your consent.
23. What is the use of password management in Web Browsers?
Answer: Web browsers have built-in password management designed to store passwords used in forms on websites.
Browsers often prompt to save usernames and passwords when users attempt to logon to websites.
This facility is offered to users so that they can logon to their frequently used websites without having to type the usernames or passwords.
24. Should you have to save the user id and password on a public or shared computer?
Answer: No, it is not advisable to leave the web browser to store this data, particularly on public or shared computers.
25. How can you clear your browsing data stored in Browsers?
Answer: In Google Chrome, to clear browsing data from the browser:-
(a) Open the Web Browser (Google Chrome)
(b) Click on the triple dot, Select More tools -> Clear Browsing Data
OR
press ctrl + shift + del
(c) It will open the Clear browsing data dialog box, select the appropriate option and
(d) Click on clear data.
In Mozilla Firefox, to clear browsing data from the browser:-
(a) launch the browser.
(b) Click Tools Menu, click Options.
(c) Click Security Tab.
(d) Select the appropriate option and
(e) click on clear now.
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