Short Answer Type Questions: Cyber Safety | Computer Science for Grade 9 PDF Download

Q1. Name the three types of information collected by a social networking site.

Ans: The three types of information collected by a social networking site are

• Required Information: Name, Email, Date of Birth, Location. (Essential for the account.)
• Secret Information: Alternate e-mail, mobile phone number, security question and answer.
  (In case the account is compromised or you have lost your password.)
• Biographical Information: Information about yourself submitted voluntarily. (For advertisement content offered to you and to aid in advertisement targeting.) .

Q2. What is Pharming?

Ans: Pharming refers to the fraudulent practice of directing Internet users to a bogus website that mimics the appearance of a legitimate one, to obtain personal information such as passwords, account numbers, etc.

Q3. What is Cyberstalking?

Ans: Cyberstalking is a crime in which the attacker harasses a victim using electronic communication, such as e-mail or instant messaging (IM), or messages posted to a social networking site and chat site. A cyberstalker, using anonymity allows them to stalk their victim without being detected.

Q4. State two methods by which you can detect a virus.

Ans: Following are some of the ways your computer reacts to viruses:

• The speed of your computer may go down to a considerable extent.
• Certain software may require more time to start than it does usually.
• Certain software may not start at all.
• Some software may start normally but close down abruptly.

Q5. State three points that you should remember while selecting a password.

Ans: While selecting passwords the following points are to be remembered:

• The longer the password, the harder it is to crack. Consider a 12-character password or longer.
• Avoid names, places, and dictionary words.
• Mix it up. Use variations on capitalization, spelling, numbers, and punctuation.
• You may also use a specialized Password Manager package; as ultimately the number of passwords that you need to remember will grow.

Q6. List two methods by which you will be able to identify malicious websites.

Ans: The following is the list of malicious, criminal or inappropriate websites:

• Check for presence of an address, phone number and/or email contact – often indications that the website is genuine. If in doubt, send an email or call to establish authenticity.
• Check that the website’s address seems to be genuine by looking for subtle misspellings, extra words, characters or numbers or a completely different name from that you would expect the business to have.
• Roll your mouse pointer over a link to reveal its true destination, displayed in the bottom left corner of your browser. Beware if this is different from what is displayed in the text of the link from either another website or an email.

Q7. What Is Malware? 

Ans: Malware or malicious software is the aggregate term for a type of program that is deliberately designed to cause harm to the computer system, server system, user's computer, or computer network. Malware includes viruses, ransomware, spyware, worms, Trojan horses, adware, rogue software, and scareware. Malware is generally delivered as a link or file over email and requires the user to tap on the link or open the file to execute the malware.

Q8. What is Identity Protection? 

Ans: Identity Safety is the strategies you practice to ensure that the personal data that makes up your web or genuine self is secured and not taken so others may mimic you in any capacity whatsoever (access to your financial balances, creating online profiles using your name on it, and so on).