Computer Networking The OCR reading unit attached to a POS terminal is called a wand All of these cursor light pen None of these wand All of these cursor light pen None of these 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. None of these KIK (1 + F) P I (K + 1) K I (K - P) 1/ (1 - F) None of these KIK (1 + F) P I (K + 1) K I (K - P) 1/ (1 - F) ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What frequency range is used for microwave communications, satellite and radar? Medium Frequency : 300 kHz to 3 MHz Extremely High Frequency :30,000 MHz Low Frequency : 30 kHz to 300 kHz None of these Super High Frequency : 3000 MHz to 30000 MHz Medium Frequency : 300 kHz to 3 MHz Extremely High Frequency :30,000 MHz Low Frequency : 30 kHz to 300 kHz None of these Super High Frequency : 3000 MHz to 30000 MHz ANSWER DOWNLOAD EXAMIANS APP
Computer Networking A network consists of eight NT servers. You are planning to move servers to different segments of your network, what utility should be used at each server to determine which server generates the most traffic? NBTSTAT ARP.EXE NETSTAT.EXE Network Monitor Performance Monitor NBTSTAT ARP.EXE NETSTAT.EXE Network Monitor Performance Monitor ANSWER DOWNLOAD EXAMIANS APP
Computer Networking 00 represents a pixel that pixel is known as : Dark gray pixel Black pixel White pixel Light gray Dark gray pixel Black pixel White pixel Light gray ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following is required to communicate between two computers? All of these access to transmission medium communications hardware protocol communications software All of these access to transmission medium communications hardware protocol communications software ANSWER DOWNLOAD EXAMIANS APP