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. 64 Kbps 500 Kbps 32 Kbps None of these 8 Kbps 64 Kbps 500 Kbps 32 Kbps None of these 8 Kbps ANSWER DOWNLOAD EXAMIANS APP
Computer Networking A high speed communication equipment typically would not be needed for All of these Supporting communication between nodes in a LAN Transferring large volume of data E-mail All of these Supporting communication between nodes in a LAN Transferring large volume of data E-mail ANSWER DOWNLOAD EXAMIANS APP
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) None of these Multiplexers often waste the output link capacity while statistical multiplexers optimize its use Statistical multiplexers need buffers while multiplexers do not need buffers 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) None of these Multiplexers often waste the output link capacity while statistical multiplexers optimize its use Statistical multiplexers need buffers while multiplexers do not need buffers ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following are layers in the TCP/IP model?1. Application2. Session3. Transport4. Internet5. Data Link6. Physical 3, 4 and 5 2, 3 and 5 1, 3 and 4 1 and 2 3, 4 and 5 2, 3 and 5 1, 3 and 4 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Baseband is the simultaneous transmission of data to a number of stations a signal all of whose energy is contained within a finite frequency range All of these transmission of signals without modulation None of these the simultaneous transmission of data to a number of stations a signal all of whose energy is contained within a finite frequency range All of these transmission of signals without modulation None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What is the name of the computer based EMMS that provides a common forum where users can check in at their convenience, post messages, actively exchange ideas and participate in ongoing discussions? E-mail Videoconferencing Bulletin board system (BBS) Teleconferencing None of these E-mail Videoconferencing Bulletin board system (BBS) Teleconferencing None of these ANSWER DOWNLOAD EXAMIANS APP
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