Computer Networking The _____ layer is the layer closest to the transmission medium. physical network transport data link None of these physical network transport data link None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What is the name of the device that connects two computers by means of a telephone line? modem Tape bus None of these cable modem Tape bus None of these cable ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What is the main difference between DDCMP and SDLG? DDCMP has a message header SDLC does not use CRC None of these DDCMP does not need special hardware to final the beginning of a message. SDLC has a IP address DDCMP has a message header SDLC does not use CRC None of these DDCMP does not need special hardware to final the beginning of a message. SDLC has a IP address ANSWER DOWNLOAD EXAMIANS APP
Computer Networking On a class B network, how many subnets are available with a subnet mask of 248? 2 6 126 30 62 2 6 126 30 62 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Ethernet networks can be cabled in a number of topologies, depending on what works best in each environment. As more nodes are added, the efficiency of Ethernet decreases. Select the best answer as to why Ethernet becomes less efficient as size increases. Network collisions occur "Line echo" occurs due to the impedance of the cable Repeaters cannot increase the signal strength sufficiently Cable terminators do not absorb the signal properly Cable terminators do not reflect the signal properly Network collisions occur "Line echo" occurs due to the impedance of the cable Repeaters cannot increase the signal strength sufficiently Cable terminators do not absorb the signal properly Cable terminators do not reflect the signal properly ANSWER DOWNLOAD EXAMIANS APP