Computer Networking Most data communications involving telegraph lines use: None of these narrowband channels dialed service simplex lines wideband channels None of these narrowband channels dialed service simplex lines wideband channels ANSWER DOWNLOAD EXAMIANS APP
Computer Networking If you want to have more than one Telnet session open at the same time, what keystroke combination would you use? Ctrl+X, then 6 Ctrl+Shift+X, then 6 Tab+Spacebar Ctrl+Shift+6, then X Ctrl+X, then 6 Ctrl+Shift+X, then 6 Tab+Spacebar Ctrl+Shift+6, then X ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following device is used to connect two systems, especially if the systems use different protocols? repeater bridge None of these hub gateway repeater bridge None of these hub gateway ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The channel in the data communication model can be radio signals postal mail service All of these None of these telephone lines radio signals postal mail service All of these None of these telephone lines ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The core diameter of a single-mode fibers is about 10 times the fiber radius 7 times the light carried in the fiber 10 times the wavelength of the light carried in the fiber 3 times the wavelength of the light carried in the fiber None of these 10 times the fiber radius 7 times the light carried in the fiber 10 times the wavelength of the light carried in the fiber 3 times the wavelength of the light carried in the fiber None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What is the name of the device that converts computer output into a form that can be transmitted over a telephone line? Concentrator None of these Modem Multiplexer Teleport Concentrator None of these Modem Multiplexer Teleport ANSWER DOWNLOAD EXAMIANS APP
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