Computer Networking Most networks are connected to other local area or wide area networks. Select the best fit for answer: Internet revolution Internet works The Internet 255.255.252.0 Internet technologies Internet revolution Internet works The Internet 255.255.252.0 Internet technologies ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following is considered a broadband communications channel? coaxial cable microwave circuits All of these satellites systems fiber optic cable coaxial cable microwave circuits All of these satellites systems fiber optic cable ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What frequency range is used for microwave communications, satellite and radar? None of these Low Frequency : 30 kHz to 300 kHz Medium Frequency : 300 kHz to 3 MHz Super High Frequency : 3000 MHz to 30000 MHz Extremely High Frequency :30,000 MHz None of these Low Frequency : 30 kHz to 300 kHz Medium Frequency : 300 kHz to 3 MHz Super High Frequency : 3000 MHz to 30000 MHz Extremely High Frequency :30,000 MHz 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. KIK (1 + F) 1/ (1 - F) K I (K - P) P I (K + 1) None of these KIK (1 + F) 1/ (1 - F) K I (K - P) P I (K + 1) None of these 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 Identification procedure Safeguard procedure None of these Security procedure Log-on procedure Identification procedure Safeguard procedure None of these Security procedure ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What is the port number for NNTP? None of these 79 70 80 119 None of these 79 70 80 119 ANSWER DOWNLOAD EXAMIANS APP
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