Computer Networking The birthplace of the World Wide Web is considered to be ARPA CERN the Department of Defense None of these Netscape ARPA CERN the Department of Defense None of these Netscape ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Avalanche photodiode receivers can detect hits of transmitted data by receiving 300 photons None of these 400 photons 100 photons 200 photons 300 photons None of these 400 photons 100 photons 200 photons 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) P I (K + 1) K I (K - P) None of these KIK (1 + F) 1/ (1 - F) P I (K + 1) K I (K - P) None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Routers operate at layer _____. LAN switches operate at layer _____. Ethernet hubs operate at layer _____. Word processing operates at layer _____. 3, 3, 1, 7 3, 2, 1, none All of these 3, 2, 1, 7 3, 3, 2, none 3, 3, 1, 7 3, 2, 1, none All of these 3, 2, 1, 7 3, 3, 2, none ANSWER DOWNLOAD EXAMIANS APP
Computer Networking An example of an analog communication method is All of these microwave laser beam None of these voice grade telephone line All of these microwave laser beam None of these voice grade telephone line ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following are benefits of VLANs?1. They increase the size of collision domains.2. They allow logical grouping of users by function.3. They can enhance network security.4. They increase the size of broadcast domains while decreasing the number of collision domains.5. They simplify switch administration.6. They increase the number of broadcast domains while decreasing the size of the broadcast domains. 1, 3 and 5 2, 3 and 6 1 and 5 2 and 4 1, 3 and 5 2, 3 and 6 1 and 5 2 and 4 ANSWER DOWNLOAD EXAMIANS APP