Computer Networking The difference between a multiplexer and a statistical multiplexer is Multiplexer use X.25 protocol, while statistical multiplexers use the Aloha protocol Multiplexers use Time Division Multiplexing (TDM) while statistical multiplexers use Frequency Division Multiplexing (FDM) Statistical multiplexers need buffers while multiplexers do not need buffers Multiplexers often waste the output link capacity while statistical multiplexers optimize its use None of these Multiplexer use X.25 protocol, while statistical multiplexers use the Aloha protocol Multiplexers use Time Division Multiplexing (TDM) while statistical multiplexers use Frequency Division Multiplexing (FDM) Statistical multiplexers need buffers while multiplexers do not need buffers Multiplexers often waste the output link capacity while statistical multiplexers optimize its use None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Internet-like networks between a company and its business partners. Select the best fit for answer: Switching alternating Extranets Bandwidth alternatives Inter organizational networks Switching alternating Extranets Bandwidth alternatives Inter organizational networks ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Messages from one computer terminal can be sent to another by using data networks. The message to be sent is converted to an electronic digital signal, transmitted via a cable, telephone or satellite and then converted back again at the receiving end. What is this system of sending messages called? Paperless office Electronic newspaper Global network None of these Electronic mail Paperless office Electronic newspaper Global network None of these Electronic mail ANSWER DOWNLOAD EXAMIANS APP
Computer Networking How many pairs of stations can simultaneously communicate on Ethernet LAN? 1 3 None of these 2 multiple 1 3 None of these 2 multiple ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Where is a hub specified in the OSI model? Data Link layer Session layer Physical layer Application layer Data Link layer Session layer Physical layer Application layer ANSWER DOWNLOAD EXAMIANS APP
Computer Networking A machine that connects to two or more electronic mail systems and transfers mail messages among them is known as bridges None of these Gateways User Agent mail gateway bridges None of these Gateways User Agent mail gateway ANSWER DOWNLOAD EXAMIANS APP