[{"id":17507,"question":"The topology in which all nodes are connected to a central wire is called","choices":[{"text":"Bus topology","value":"A"},{"text":"Ring topology","value":"B"},{"text":"Star topology","value":"C"},{"text":"Mesh topology","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":17506,"question":"There are types of network topologies","choices":[{"text":"2","value":"A"},{"text":"3","value":"B"},{"text":"4","value":"C"},{"text":"5","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":17505,"question":"The computer network in which all computers are equal and no one computer is in control is called","choices":[{"text":"Client/server network","value":"A"},{"text":"Dedicated server network","value":"B"},{"text":"Peer-to-peer network","value":"C"},{"text":"None","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":17501,"question":"Cellular (mobile) phones systems are often","choices":[{"text":"LANs","value":"A"},{"text":"MANs","value":"B"},{"text":"WANs","value":"C"},{"text":"None of the above","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":17498,"question":"TCP/IP was developed for use in ARPANET in","choices":[{"text":"1970","value":"A"},{"text":"1973","value":"B"},{"text":"1983","value":"C"},{"text":"1993","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":17497,"question":"With shielded twisted pair cables a token ring network can operate up to a speed of","choices":[{"text":"4 Mbps","value":"A"},{"text":"8 Mbps","value":"B"},{"text":"12 Mbps","value":"C"},{"text":"16 Mbps","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":17496,"question":"The US Department of Defense started the------- in 1969","choices":[{"text":"LAN","value":"A"},{"text":"WAN","value":"B"},{"text":"DARPA","value":"C"},{"text":"Internet","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":17495,"question":"A LAN can transmit","choices":[{"text":"Computer data","value":"A"},{"text":"Sounds","value":"B"},{"text":"Pictures & videos","value":"C"},{"text":"All of the above","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":17494,"question":"Which of the following can be used to join similar types of networks?","choices":[{"text":"Bridges and repeater","value":"A"},{"text":"Bridges and routers","value":"B"},{"text":"Repeaters and gateways","value":"C"},{"value":"D"},{"value":"E"}],"correctAnswer":1},{"id":17493,"question":"The protocol developed by IBM for its mainframe computers is named","choices":[{"text":"De facto","value":"A"},{"text":"SNA","value":"B"},{"text":"X.25","value":"C"},{"text":"De hure","value":"D"},{"value":"E"}],"correctAnswer":2}]