Computer Networking What is the port number for NNTP? 70 119 80 79 None of these 70 119 80 79 None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking How many non-overlapping channels are available with 802.11b? 3 12 40 23 3 12 40 23 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 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) Multiplexer use X.25 protocol, while statistical multiplexers use the Aloha protocol None of these Statistical multiplexers need buffers while multiplexers do not need buffers 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) Multiplexer use X.25 protocol, while statistical multiplexers use the Aloha protocol ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following network access standard is used for connecting stations to a circuit-switched network? X.21 X.25 None of these X.3 X.75 X.21 X.25 None of these X.3 X.75 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which three statements are true about the operation of a full-duplex Ethernet network?1. There are no collisions in full-duplex mode.2. A dedicated switch port is required for each full-duplex node.3. Ethernet hub ports are preconfigured for full-duplex mode.4. In a full-duplex environment, the host network card must check for the availability of the network media before transmitting.5. The host network card and the switch port must be capable of operating in full-duplex mode. 2 and 4 2, 3 and 4 5 only 1, 2, and 5 2 and 4 2, 3 and 4 5 only 1, 2, and 5 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What is the name of the device that connects two computers by means of a telephone line? modem Tape None of these cable bus modem Tape None of these cable bus ANSWER DOWNLOAD EXAMIANS APP
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