Class 9 Computer Applications Supplement by Sumita Arora
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Answers
1)b
2)a
3)a
4)b
5)b
6)b
7)cyber safety is trying to be safe on the internet and is the knowledge of maximizing the user's personal safety and security risks to private information and property associated with using the internet, and the self-protection from computer crime in general.
Answer:
Explanation:
1 . What makes a secure password ?
⇒ b ) A secure password should be one that you will easily remember and be a mixture of upper case and lower case of letter , number and character
2 . what is the purpose of anti - viruses software ?
⇒a) To prevent hackers from attracking the network.
3. Which of the following are types of malicious software?
⇒ a) Viruses, worms, adware, trojans and spyware
4 . How do you know if a website is secure ?
⇒b) The prefix of the website is https
5. When accessing a website which icon can be seen in the address bar to indicate that the website secure?
⇒b) padlock
6. What is the purpose of a firewall?
⇒ a) To detect the viruses on a system and prevent them from attacking it and spreading.
7. What is the cyber safety ? why is it important?
⇒ cyber safety is implemented in various organization to protect data. This protection is known as information security . Primarily , information security is deployed in areas where digital data is stored and is highly vulnerable to attacks, this include information system, apps and website .
cyber security is important because it encompasses everything that relates to protecting our data from cyber attackers who want to steal this information and use it to cause harm.
8. What should you do protect your identity on Internet?
⇒a) Remember that nothing is temporary online.
b) Mark your profiles as private .
c) Safeguard your password and change them often.
d) Don't post inappropriate or sexually provocative pictures or comments.
9.How do website track you online?
⇒whenever you use the internet , you leave a record of the website you visit , along with each and every thing you click. To track this information ,many website save a small piece of data - knowns as cookie - to your web browser. In addition to cookies , many websites can use your account to track browsing activity .
10. What are cookies ? How are they used by website to track you?
⇒Cookies are text files with small piece of data like a username and password - that are used to identify your computer as you use a computer network .
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