Computer Networking Which of the following device is used to connect two systems, especially if the systems use different protocols? repeater bridge gateway None of these hub repeater bridge gateway None of these hub ANSWER DOWNLOAD EXAMIANS APP
Computer Networking An internetworking protocol that provides virtual circuit service across multiple X.25 protocol, is X.75 X.400 X.25 X.21 None of these X.75 X.400 X.25 X.21 None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following is not a disadvantage of wireless LAN? All of these higher error rate Slower data transmission interference of transmissions from different computers All of these higher error rate Slower data transmission interference of transmissions from different computers ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The systematic access of small computers in a distributed data processing system is referred to as: polling dialed service conversational mode None of these multiplexing polling dialed service conversational mode None of these multiplexing ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What is the frequency range of the IEEE 802.11b standard? 5GHz 2.4GHz 5Gbps 2.4Gbps 5GHz 2.4GHz 5Gbps 2.4Gbps 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 1/ (1 - F) KIK (1 + F) K I (K - P) P I (K + 1) None of these 1/ (1 - F) KIK (1 + F) K I (K - P) P I (K + 1) ANSWER DOWNLOAD EXAMIANS APP
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