ECAT Computer Science Chapter 6 Data Communication Online Test With Answers

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ECAT Computer Science Chapter 6 Data Communication Online Test

Sr. # Questions Answers Choice
1 Which of the following is not a category of network problems. Newsgroup problems Physical problems Electrical problems Viruses
2 The media Access Control sublayer resides in which OSI layer? Physical Data Link Network Transport
3 What enables a computer to work with a printer? Protocols Drivers Packet processor HCL
4 Token passing prevents data collisions by. Using code to steer tokens around each other Having multiple tokens take alternate routes. Allowing only one computer at a time to use the token Using zones to control network traffic congestion
5 Which of the following access methods listens to the cable for network traffic before sending data? Token passing Polliing CSMA/CA CSMA/CD
6 What layer of the OSI model does data compression? Network Data Link Presentation Physical
7 Project 802 defines standards for which layers of the OSI model? Application and Presentation layers Physical an Date Link layers Transport and Network layers Network and Data Link layers
8 A network of geographically distant computers and terminals is called a. bus WAN gateway LAN
9 People on a LAN can share. Printer CD/ROM disk drive modem fax machine All of the above
10 The transfer if encoded information from one location to another by a communication channel is called data processing data distribution data communication data encryption
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