Page 413 - Computer Science Class 11 With Functions
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Solved Exercise


            A.  Multiple Choice Questions
               1.  Which of the following social network is majorly used for professional networking?
                  a.  Facebook             b. LinkedIn            c. WhatsApp           d. YouTube

               2.  Which of the following is a common platform for sharing videos with the masses?
                  a.  Facebook             b. LinkedIn            c. WhatsApp           d. YouTube

               3.  Which of the following is not true about digital footprints?
                  a.  A trail of personal data that one leaves behind while using the Internet.
                  b.  The companies can collect your browsing data without your knowledge or approval.
                  c.  The information that you leave willingly is known as an active digital footprint.
                  d.  These are always stored on your device.

               4.  Using the _____________ button, the users can give their approval to the content posted on Facebook.
                  a.  Post                 b. Like                c. Tag                d. Accept
               5.  What is the maximum number of characters that an X post can have?
                  a.  100                  b. 10000               c. 1000               d. 200
               6.  Which of the following is True about WhatsApp?
                  a.  It does not allow video calls.
                  b.  It allows forming of groups of up to 1024 members.
                  c.  The admins may add a member but they cannot remove any member from a group.
                  d.  It does not have an in-built end-to-end encryption mechanism.
               7.  Which of the following is not considered as a good social media etiquette?
                  a.  Responding to messages.
                  b.  Respecting the privacy of all users.
                  c.  Texting in capital letters.
                  d.  Tagging a friend after his or her approval.
               8.  Which of the following cyber attack refers to unauthorized access to private information?
                  a.  Interruption         b. Fabrication         c. Modification       d. Interception
               9.  Jonas has received an email from an unknown source that he has won a car in a lucky draw. The email also states that he
                  should provide them with his bank details to check his identity. Which type of cyber threat is Jonas facing?
                  a.  Cyber Bullying       b. Hacking             c. Phishing           d. Eavesdropping
              10.  This is unwanted junk mail sent by companies for advertisement purposes. What is this?
                  a.  Spam                 b. Adware              c. Spyware            d. Ad-ons
              11.  Which of the following is NOT a malware?
                  a.  Virus                b. Worm                c. Antivirus          d. Trojan Horse

              12.  Which of the following is an example of a boot sector virus?
                  a.  Romeo and Juliet virus    b. Michelangelo virus   c. Melissa Virus   d. Code Red

              13.  Which of the following malware appears desirable and useful but actually harms the system?
                  a.  Virus                b. Worm                c. Trojan Horse       d. Adware

              14.  Shrikanth is not able to access his sensitive and private data on his online database. He received a mail threatening to
                  publish the data unless he pays 1 billion dollars in bitcoin. Which type of malware attack is Shrikanth facing?
                  a.  Ransomware           b. Adware              c. Spyware            d. Trojan Horse
              15.  A firewall is typically a ________________.
                  a.  Hardware             b. Software            c. Combination of a and b  d. Neither a nor b




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