156). Which communication line of the following where you can't use the telephone line to make calls and send information simultaneously A. Dial-up Internet Connection B. Integrated Services Digital Network C. Digital Subscriber Line D. None of the above 1571. Which communication line of the following where it is the most expensive: A. Dial-up Internet Connection B. Integrated Services Digital Network C. Digital Subscriber Line D. Satellite Internet Access 158). Which communication line of the following where it uses radio waves to exchange information: A. Dial-up Internet Connection B. Integrated Services Digital Network C. Digital Subscriber Line D. Wireless Fidelity Internet Connection (591 Which protocol of the following that enables users to exchange files over networks: A. File Transfer Protocol B. TCP C. IP D. TCP/IP 160). Internet relay chat service can be done on the following form: A. Text B. Audio C. video D. All of the above 161) ............. is done by giving access to a local network through secured access points: A. Internet B. Extranet C. Intranet D. None of the above 162). Which type of computer is used to operate large corporate systems and databases A. Desktop computer B. Personal Digital Assistant (PDA) C. Mainframe D. Laptop [63]. The computers in your office building are connected together so staff can share files and printers. What is this arrangement of computers called? FTP b)LAN c)WWW d)HTTP 7