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c.   A  ____________ acts  like  a  gatekeeper  and prevents  unauthorised  access  to  a  computer
                        network.
                     d.   The purpose  of a  ____________ is  to  conceal  itself  inside  the  software  that  seems
                        legitimate.


                  4.  Short answer type questions.
                     a.  Name the types of Computer Virus.
                          ______________________________________________________________________________

                     b.  What do you understand by Malware?
                          ______________________________________________________________________________
                     c.  Name some well-known antivirus programs.
                          ______________________________________________________________________________


                  5.  Long answer type questions.
                     a.  What are the ways we can protect our system from virus attack?
                     b.  What is Firewall? How does it act like a gatekeeper?

                     c.  Explain the following malware:
                        i.  Trojan Horse

                        ii.  Ransomware




                  fun Zone




                    Let's soLve                                                                         Critical Thinking

                      Find the names of five malware programs in this grid.


                                A      I      I    B      A     C     K      D     O     O      R      I

                                 T     L     K     A      R     O     K      L    W      U      B     T


                                O      I     E      T    O      N     T      R     O     J      A     N

                                A      R     O     O      T     K      I     T     R     N      B     H


                                 I    M      T     C      T     T     E      K     M     N      I     E


                                W      S     P     Y     W      A     R      E     M     Y      T     R

                                 E     L     O     A      I     L     M      I     A     R     W      S






                  70    Premium Edition-VI
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