Computer Networking Working of the WAN generally involves None of these telephone lines All of these microwaves satellites None of these telephone lines All of these microwaves satellites ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The difference between a multiplexer and a statistical multiplexer is None of these Statistical multiplexers need buffers while multiplexers do not need buffers Multiplexer use X.25 protocol, while statistical multiplexers use the Aloha protocol Multiplexers often waste the output link capacity while statistical multiplexers optimize its use Multiplexers use Time Division Multiplexing (TDM) while statistical multiplexers use Frequency Division Multiplexing (FDM) None of these Statistical multiplexers need buffers while multiplexers do not need buffers Multiplexer use X.25 protocol, while statistical multiplexers use the Aloha protocol Multiplexers often waste the output link capacity while statistical multiplexers optimize its use Multiplexers use Time Division Multiplexing (TDM) while statistical multiplexers use Frequency Division Multiplexing (FDM) ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following device copies electrical signals from one Ethernet to another? passive hub hub bridge repeater None of these passive hub hub bridge repeater None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking How many non-overlapping channels are available with 802.11h? 3 23 12 40 3 23 12 40 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What are the data transmission channels available for carrying data from one location to another? Voiceband Narrowband Broadband All of these None of these Voiceband Narrowband Broadband All of these None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking A 4 KHz noiseless channel with one sample every 125 per sec, is used to transmit digital signals. Find the bit rate (bits per second) that are sent, if CCITT 2.048 Mbps encoding is used. 32 Kbps 8 Kbps 500 Kbps 64 Kbps None of these 32 Kbps 8 Kbps 500 Kbps 64 Kbps None of these ANSWER DOWNLOAD EXAMIANS APP
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