Computer Networking Which of the following connectivity devices is used to extend a network on a purely mechanical basis? Switch Active hub Router 802.6 Gateway Switch Active hub Router 802.6 Gateway ANSWER DOWNLOAD EXAMIANS APP
Computer Networking A form of modulation In which the amplitude of a carrier wave is varied in accordance with some characteristic of the modulating signal, is known as Aloha Angle modulation modem Amplitude modulation None of these Aloha Angle modulation modem Amplitude modulation None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What is the maximum distance running the lowest data rate for 802.11b? About 300 feet About 100 feet About 175 feet About 350 feet About 300 feet About 100 feet About 175 feet About 350 feet ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which encapsulations can be configured on a serial interface?1. Ethernet2. Token Ring3. HDLC4. Frame Relay5. PPP 1 and 4 3, 4 and 5 All of these 2 only 1 and 4 3, 4 and 5 All of these 2 only ANSWER DOWNLOAD EXAMIANS APP
Computer Networking If a switch receives a frame and the source MAC address is not in the MAC address table but the destination address is, what will the switch do with the frame? Flood the network with the frame Discard it and send an error message back to the originating host Add the destination to the MAC address table and then forward the frame Add the source address and port to the MAC address table and forward the frame out the destination port Flood the network with the frame Discard it and send an error message back to the originating host Add the destination to the MAC address table and then forward the frame Add the source address and port to the MAC address table and forward the frame out the destination port ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following device is used to connect two systems, especially if the systems use different protocols? gateway bridge None of these repeater hub gateway bridge None of these repeater hub ANSWER DOWNLOAD EXAMIANS APP
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