Computer Networking What is the subnetwork number of a host with an IP address of 172.16.66.0/21? 172.16.48.0 172.16.36.0 172.16.64.0 172.16.0.0 172.16.48.0 172.16.36.0 172.16.64.0 172.16.0.0 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking For connecting modem, a computer must be equipped with a port that conforms to the RS-232 standard of the Electronic Industries Association of America. What do the letters 'RS' stand for? Recognised standard Random sequence None of these Recommended standard Registered source Recognised standard Random sequence None of these Recommended standard Registered source ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Networks where end user workstations are tied to LAN servers to share resources and application processing. Business applications of telecommunications Information super highway Internetworked enterprise Client/Server networks Business applications of telecommunications Information super highway Internetworked enterprise Client/Server networks ANSWER DOWNLOAD EXAMIANS APP
Computer Networking When you connect to an online information service, you are asked to provide some kind of identification such as your name, an account number and a password. What is the name given to this brief dialogue between you and the information system? Log-on procedure Safeguard procedure Identification procedure None of these Security procedure Log-on procedure Safeguard procedure Identification procedure None of these Security procedure ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following refers to the terms "residual error rate"? None of these signal to noise ratio divided by the ratio of energy per bit to noise per hertz the probability that one or more errors will be detected when an error detection mechanism is used The probability that one or more errors will be undetected when an error detection scheme is used the number of bit errors per twenty four hours of continuous operation on an asynchronous line None of these signal to noise ratio divided by the ratio of energy per bit to noise per hertz the probability that one or more errors will be detected when an error detection mechanism is used The probability that one or more errors will be undetected when an error detection scheme is used the number of bit errors per twenty four hours of continuous operation on an asynchronous line 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. 1/ (1 - F) P I (K + 1) KIK (1 + F) K I (K - P) None of these 1/ (1 - F) P I (K + 1) KIK (1 + F) K I (K - P) None of these ANSWER DOWNLOAD EXAMIANS APP
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