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 3 and 4 5 only 1 and 3 All of these 1 only 3 and 4 5 only 1 and 3 All of these 1 only ANSWER DOWNLOAD EXAMIANS APP
Computer Networking A 4 KHz noise less channel with one sample ever 125 per sec is used to transmit digital signals. If Delta modulation is selected, then how many bits per second are actually sent? 128 kbps 8 kbps 64 kbps. 32 kbps None of these 128 kbps 8 kbps 64 kbps. 32 kbps None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What is the default subnet mask for a class B network? 255.0.0.0 255.255.255.0 127.0.01 255.255.0.0 None of these 255.0.0.0 255.255.255.0 127.0.01 255.255.0.0 None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following uses network address translation? Hubs None of these Windows 95 Network adapter drivers Routers Hubs None of these Windows 95 Network adapter drivers Routers ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which multiplexing technique shifts each signal to a different carrier frequency? FDM synchronous TDM All of these asynchronous TDM FDM synchronous TDM All of these asynchronous TDM ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following performs modulation and demodulation? fiber optic satellite None of these coaxial cable modem fiber optic satellite None of these coaxial cable modem ANSWER DOWNLOAD EXAMIANS APP
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