Computer Networking In a _____ topology, if there are n devices in a network, each device has n - 1 ports for cables. mesh bus star None of these ring mesh bus star None of these ring ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What frequency range is used for microwave communications, satellite and radar? Low Frequency : 30 kHz to 300 kHz Super High Frequency : 3000 MHz to 30000 MHz Extremely High Frequency :30,000 MHz None of these Medium Frequency : 300 kHz to 3 MHz Low Frequency : 30 kHz to 300 kHz Super High Frequency : 3000 MHz to 30000 MHz Extremely High Frequency :30,000 MHz None of these Medium Frequency : 300 kHz to 3 MHz ANSWER DOWNLOAD EXAMIANS APP
Computer Networking If a firm wanted to transmit data from 1,000 punched cards to a remote computer, they would use a(n) POS terminal intelligent terminal None of these data collection terminal batch processing terminal POS terminal intelligent terminal None of these data collection terminal batch processing terminal ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What is the maximum distance with maximum data rate for 802.11a? About 150 feet Over 200 feet About 65-75 feet About 90-100 feet About 150 feet Over 200 feet About 65-75 feet About 90-100 feet ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Modulation in which the two binary values are represented by two different amplitudes of the carrier frequency is known as None of these Aloha Amplitude modulation Amplitude Amplitude-shift keying None of these Aloha Amplitude modulation Amplitude Amplitude-shift keying ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Data link layer retransmits the damaged frames in most networks. If the probability of a frame's being damaged is p, what is the mean number of transmissions required to send a frame if acknowledgements are never lost. P I (K + 1) 1/ (1 - F) None of these KIK (1 + F) K I (K - P) P I (K + 1) 1/ (1 - F) None of these KIK (1 + F) K I (K - P) ANSWER DOWNLOAD EXAMIANS APP
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