Computer Networking Which of the following frequency ranges is used for AM radio transmission? Very High Frequency : 30 MHz to 300 MHz Very Low Frequency : 3 kHz to 30 kHz Medium Frequency : 300 kHz to 3 MHz High Frequency : 3 MHz to 30 MHz None of these Very High Frequency : 30 MHz to 300 MHz Very Low Frequency : 3 kHz to 30 kHz Medium Frequency : 300 kHz to 3 MHz High Frequency : 3 MHz to 30 MHz None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking ARP (Address Resolution Protocol) is a TCP/IP protocol used to dynamically bind a high level IP Address to a low-level physical hardware address None of these a protocol used to monitor computers a protocol that handles error and control messages a TCP/IP high level protocol for transferring files from one machine to another a TCP/IP protocol used to dynamically bind a high level IP Address to a low-level physical hardware address None of these a protocol used to monitor computers a protocol that handles error and control messages a TCP/IP high level protocol for transferring files from one machine to another ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following medium is used for broadband local networks? UTP None of these Coaxial cable optic fiber CATV UTP None of these Coaxial cable optic fiber CATV ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Bus is a collection of interconnected functional units that provides a data communications service among stations attached to the network a continuous frequency capable of being modulated or impressed with a second signal the condition when two or more stations attempt to use the same channel at the same time None of these one or more conductors that some as a common connection for a related group of devices a collection of interconnected functional units that provides a data communications service among stations attached to the network a continuous frequency capable of being modulated or impressed with a second signal the condition when two or more stations attempt to use the same channel at the same time None of these one or more conductors that some as a common connection for a related group of devices ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Ethernet networks can be cabled in a number of topologies, depending on what works best in each environment. As more nodes are added, the efficiency of Ethernet decreases. Select the best answer as to why Ethernet becomes less efficient as size increases. Repeaters cannot increase the signal strength sufficiently Network collisions occur Cable terminators do not absorb the signal properly Cable terminators do not reflect the signal properly "Line echo" occurs due to the impedance of the cable Repeaters cannot increase the signal strength sufficiently Network collisions occur Cable terminators do not absorb the signal properly Cable terminators do not reflect the signal properly "Line echo" occurs due to the impedance of the cable ANSWER DOWNLOAD EXAMIANS APP
Computer Networking How many Character per sec(7bits + 1parity) can be transmitted over a 2400 bps line if the transfer is synchronous (1 "Start" and 1 "stop" bit)? 250 240 300 275 250 240 300 275 ANSWER DOWNLOAD EXAMIANS APP
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