Computer Networking A communications device that combines transmissions from several I/O devices into one line is a: concentrator full-duplex line multiplexer None of these modifier concentrator full-duplex line multiplexer None of these modifier ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Routers operate at layer _____. LAN switches operate at layer _____. Ethernet hubs operate at layer _____. Word processing operates at layer _____. 3, 3, 1, 7 All of these 3, 3, 2, none 3, 2, 1, none 3, 2, 1, 7 3, 3, 1, 7 All of these 3, 3, 2, none 3, 2, 1, none 3, 2, 1, 7 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What is the name of the software package that allows people to send electronic mail along a network of computers and workstations? Data communication package None of these Project management package Electronic mail package Memory resident package Data communication package None of these Project management package Electronic mail package Memory resident package ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following network types have a designated router and a backup designated router assigned? 1. Broadcast 2. Point-to-point 3. NBMA 4. NBMA point-to-point All of these 1 and 3 1, 2 and 3 3 and 4 All of these 1 and 3 1, 2 and 3 3 and 4 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Modem is used in data transmission. When was it invented and in which country? 1950, USA 1950, Japan 1965, Germany None of these 1963, USA 1950, USA 1950, Japan 1965, Germany None of these 1963, USA ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What PPP protocol provides dynamic addressing, authentication, and multilink? NCP LCP HDLC X.25 NCP LCP HDLC X.25 ANSWER DOWNLOAD EXAMIANS APP
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