Computer Networking The core diameter of a single-mode fibers is about 3 times the wavelength of the light carried in the fiber 7 times the light carried in the fiber 10 times the fiber radius None of these 10 times the wavelength of the light carried in the fiber 3 times the wavelength of the light carried in the fiber 7 times the light carried in the fiber 10 times the fiber radius None of these 10 times the wavelength of the light carried in the fiber ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What is the number of separate protocol layers at the serial interface gateway specified by the X.25 standard? None of these 6 2 3 4 None of these 6 2 3 4 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following communications service provides message preparation and transmission facilities? Teletext Teletex x400 None of these Fax Teletext Teletex x400 None of these Fax ANSWER DOWNLOAD EXAMIANS APP
Computer Networking You are working with a network that has the network ID 10.9.0.0 and contains 73 networks. In the next year, you will be adding an additional 27 branch offices to your company. For simplified management, you want to keep the most possible hosts per subnet. Which subnet mask should you management, you want to keep the most possible hosts per subnet. Which subnet mask should you use? 255.252.0.0 255.254.0.0 255.240.0.0 255.224.0.0 255.248.0.0 255.252.0.0 255.254.0.0 255.240.0.0 255.224.0.0 255.248.0.0 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking A terminal multiplexer has six 1200 bps terminals and 'n' 300bps terminals connected to it. The outgoing line is 9600bps. What is the maximum value of n? 16 4 28 8 16 4 28 8 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What is the minimum number of wires needed to send data over a serial communication link layer? 4 2 6 None of these 1 4 2 6 None of these 1 ANSWER DOWNLOAD EXAMIANS APP