Computer Networking When a router is connected to a Frame Relay WAN link using a serial DTE interface, how is the clock rate determined? Supplied by the CSU/DSU By the far end router By the Physical layer bit stream timing By the clock rate command Supplied by the CSU/DSU By the far end router By the Physical layer bit stream timing By the clock rate command ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which layer 1 devices can be used to enlarge the area covered by a single LAN segment?1. Switch2. NIC3. Hub4. Repeater5. RJ45 transceiver 1 only 5 only All of these 1 and 3 3 and 4 1 only 5 only All of these 1 and 3 3 and 4 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Your company has a LAN in its downtown office and has now set up a LAN in the manufacturing plant in the suburbs. To enable everyone to share data and resources between the two LANs, what type of device(s) are needed to connect them? Choose the most correct answer. Router Modem Cable Hub None of these Router Modem Cable Hub None of these 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 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) ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The research and development department at your office has been experimenting with different technologies to help improve the performance of the network. One group has been examining the use of a broadband network versus a based band network. Select the correct statement about broadband and baseband. Broadband networks carry several channels on a single cable, whereas in a baseband network several cables carry one channel Broadband and baseband refer to the different frequencies at which infrared operates then transmitting signals in certain conditions Baseband networks carry a single channel on a single cable, whereas broadband networks carry several channels on a single cable Baseband operates at a standard bit rate, whereas broadband may operate at different rates as needed Baseband refers to local area networks, and broadband refers to wide area networks. Broadband networks carry several channels on a single cable, whereas in a baseband network several cables carry one channel Broadband and baseband refer to the different frequencies at which infrared operates then transmitting signals in certain conditions Baseband networks carry a single channel on a single cable, whereas broadband networks carry several channels on a single cable Baseband operates at a standard bit rate, whereas broadband may operate at different rates as needed Baseband refers to local area networks, and broadband refers to wide area networks. ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Communication circuits that transmit data in both directions but not at the same time are operating in a half-duplex mode an asynchronous mode a full-duplex mode a simplex mode None of these a half-duplex mode an asynchronous mode a full-duplex mode a simplex mode None of these ANSWER DOWNLOAD EXAMIANS APP
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