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3.  Name the computer network that can be used only within an organisation.

                       a. Internet                                      b. Intranet

                       c. Both a and b                                  d. None of these

                     4.  Which address is a unique identification number assigned to a computer connected to a network?

                       a. IP                                            b. Permanent

                       c. Web                                           d. Local

                     5.  What does SMTP stand for?

                       a. Simple Mail Transfer Protocol                 b. Simple Message Transfer Protocol

                       c. Simple Mail Transport Protocol                d. System Mail Transfer Protocol

                 B.  Fill in the blanks using the words given below.


                                          Hints: LAN, Bus Topology, Protocol, Modem, MAN

                     1   ...................... is used to transmit data over a network.
                     2.  In ......................, all the nodes are connected to a single common path.

                     3.  ...................... is a set of rules that  govern  the communication between  the  computers on a
                        network.
                     4.  ...................... consists of two or more local area networks or campus area networks together.
                     5.  In ......................, computers are connected in the same building.

                 C.  Write ‘T’ for true and ‘F’ for false.

                     1.  Modulation is the process of converting  digital signals to analog signal.        ......................
                     2.  Bluetooth technology uses radio frequency to transmit data from one system
                        to another.                                                                        ......................
                     3.  Through computer networking, information can be easily shared
                        amongst people.                                                                    ......................
                     4.  In Star topology, all the nodes are connected in a circular path.                 ......................

                     5.  A server is also called host computer.                                            ......................

                 D.  Match the following columns:
                        Column A                            Column B
                     1.  Ring Topology               a.  nodes are connected as branches of a tree

                     2.  Bus Topology                b.  nodes are connected to a central node

                     3.  Mesh Topology               c.  nodes are connected in a circular path

                     4.  Star Topology               d.  nodes are connected to a single common path

                     5.  Tree Topology               e.  node are connected to all the other nodes




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