Computer Networking The difference between a multiplexer and a statistical multiplexer is None of these 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) Statistical multiplexers need buffers while multiplexers do not need buffers None of these 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) Statistical multiplexers need buffers while multiplexers do not need buffers ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The CCITT Recommendation X.25 specifies three layers of communications: physical datalink and network Session, transport and network application, presentation and session datalink, network and transport None of these physical datalink and network Session, transport and network application, presentation and session datalink, network and transport None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What is the name of the device that converts computer output into a form that can be transmitted over a telephone line? None of these Modem Multiplexer Concentrator Teleport None of these Modem Multiplexer Concentrator Teleport ANSWER DOWNLOAD EXAMIANS APP
Computer Networking When a host knows its physical address but not its IP address, it can use _____. ICMP ARP None of these RARP IGMP ICMP ARP None of these RARP IGMP ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following program is used to copy files to or from another UNIX timesharing system over a single link? None of these UUCP VMTP TFTP UART None of these UUCP VMTP TFTP UART ANSWER DOWNLOAD EXAMIANS APP
Computer Networking A band is always equivalent to a bit a byte 16 bits None of these 100 bits a bit a byte 16 bits None of these 100 bits ANSWER DOWNLOAD EXAMIANS APP