Computer Networking The signal to noise ratio for a voice grade line is 30.1 dB (decibels) or a power ratio of 1023:1. The maximum achievable data rate on this line whose spectrum ranges from 300 Hz to 4300 Hz is None of these 34000 bps 31000 bps 6200 bps 9600 bps None of these 34000 bps 31000 bps 6200 bps 9600 bps ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following is required to communicate between two computers? All of these access to transmission medium communications software protocol communications hardware All of these access to transmission medium communications software protocol communications hardware ANSWER DOWNLOAD EXAMIANS APP
Computer Networking In a _____ topology, if there are n devices in a network, each device has n - 1 ports for cables. mesh None of these bus ring star mesh None of these bus ring star ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following device copies electrical signals from one Ethernet to another? bridge hub passive hub repeater None of these bridge hub passive hub repeater None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking If you want to disable STP on a port connected to a server, which command would you use? disable spanning-tree spanning-tree security spanning-tree off spanning-tree portfast disable spanning-tree spanning-tree security spanning-tree off spanning-tree portfast ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The IEEE 802 project of the 1980s involved further defining the lower two layers of the OSI model. A number of standards were agreed upon during that time. Which of the following is the standard for Ethernet? 802.5 802.2 802.3 802.6 802.4 802.5 802.2 802.3 802.6 802.4 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS