NIOS Class 12 Employability Skills Chapter 14 Cyber Security

NIOS Class 12 Employability Skills Chapter 14 Cyber Security Solutions English Medium As Per New Syllabus to each chapter is provided in the list so that you can easily browse throughout different chapters NIOS Class 12 Employability Skills Chapter 14 Cyber Security Notes and select need one. NIOS Class 12 Employability Skills Chapter 14 Cyber Security Question Answers Download PDF. NIOS Study Material of Class 12 Employability Skills Notes Paper Code: 350.

NIOS Class 12 Employability Skills Chapter 14 Cyber Security

Also, you can read the NIOS book online in these sections Solutions by Expert Teachers as per National Institute of Open Schooling (NIOS) Book guidelines. These solutions are part of NIOS All Subject Solutions. Here we have given NIOS Class 12 Employability Skills Solutions in English, NIOS Senior Secondary Course Employability Skills Notes in English Medium for All Chapter, You can practice these here.

Cyber Security

Chapter: 14

Module – III: Going Digital

INTEXT QUESTIONS 14.1

1. Define the following:

(i) Malware____________________________________________.

Ans: Malware is a short form of “malicious software” which is specifically designed to disrupt, damage, or gain authorized access to a computer system. 

(ii) Adware______________________________________.

Ans: Adware is a software that contains embedded advertisements. It is designed to display advertisements on your computer and redirect your search requests to advertising websites to collect marketing data about you

(iii) Cybercrime ___________________________________.

Ans: Cybercrime is defined as a crime in which a computer is the object of the crime (hacking, phishing, spamming) or is used as a tool to commit an offense.

(iv) Plagiarism ____________________________________.

Ans: Cybercrime is defined as a crime in which a computer is the object of the crime (hacking, phishing, spamming) or is used as a tool to commit an offense.

2. Give two differences between computer virus and anti-virus.

Ans: 

Virus	Antivirus
It is computer program/software which infects computer badly and damages the data	It is a computer program/software which eliminates viruses from computer.
A virus can benefit the spreader of the virus or the programmer who uses it. A virus can be easily uploaded or copied on the web.	An antivirus is beneficial to the people who got infected by the virus. Antivirus software needs to be purchased.

3. What effects can malicious viruses have on your system if the following attack you?

(i) Trojan Horse ____________________________________.

Ans: A Trojan horse gives remote access of your computer to other users and allows them to install malicious software on it.

(ii) Scareware ___________________________________.

Ans: Scareware would pop up hoax virus infection warnings and would scare you to buy a fake antivirus or registry cleaner.

(iii) Ransomware __________________________________. 

Ans: A ransomware would take control of your computer, hide or password protect all the files, and would ask you to pay money for unlocking such files.

4. List three methods by which computer viruses can spread.

(i) _______________________________________.

(ii) _______________________________________.

(iii) ______________________________________.

Ans: Computer viruses can be spread by: 

(i) Opening attachments in an email. 

(ii) Files stored on removable media such as floppy disk, pen drives and others.

(iii) Downloading free software from the internet. 

(iv) Clicking on some pop-ups on web pages.

INTEXT QUESTIONS 14.2 

1. In the table below, define:

Netiquette
Digital Footprint
TOS

Ans: 

Netiquette	The correct or acceptable way of using net is called as netiquette.
Digital Footprint	Digital footprint means and includes the information about a particular person that exists on the Internet as a result of their online activity.
TOS	Terms of Service of a website, which a user has to adhere in order to use it.

2. Give four ways by which you can protect yourself from a malware attack.

(i) __________________________________________.

(ii) _________________________________________.

(iii) ________________________________________.

(iv) ________________________________________.

Ans: (i) Update your software regularly. 

(ii) Install anti-virus software on your computer. 

(iii) Create Backups of your data periodically. 

(iv) Update anti-virus software periodically. 

3. Give three ways by which you will not contribute, to the spread of viruses.

(i) ____________________________________________.

(ii) _____________________________________________.

(iii) _____________________________________________.

Ans: (i) We should never click on email attachments from unknown resources without at least first scanning them for viruses. 

(ii) We should never share user account, personal, financial, or other sensitive information on any Web page. 

(iii) Many viruses work by attaching themselves to a drive and automatically installing themselves on any other media connected to the system. As a result, connecting any network drives, external hard disks, or even pen drives to a system can result in the automatic propagation of such threats.