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 31000 bps 34000 bps None of these 9600 bps 6200 bps 31000 bps 34000 bps None of these 9600 bps 6200 bps ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following communications service provides message preparation and transmission facilities? None of these Fax Teletext x400 Teletex None of these Fax Teletext x400 Teletex ANSWER DOWNLOAD EXAMIANS APP
Computer Networking A form of modulation In which the amplitude of a carrier wave is varied in accordance with some characteristic of the modulating signal, is known as None of these Aloha Amplitude modulation modem Angle modulation None of these Aloha Amplitude modulation modem Angle modulation ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following device is used to connect two systems, especially if the systems use different protocols? None of these hub gateway repeater bridge None of these hub gateway repeater bridge ANSWER DOWNLOAD EXAMIANS APP
Computer Networking An example of an analog communication method is voice grade telephone line All of these None of these laser beam microwave voice grade telephone line All of these None of these laser beam microwave ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What protocols are used to configure trunking on a switch?1. VLAN Trunking Protocol2. VLAN3. 802.1Q4. ISL 2 only 3 and 4 1 only 1 and 2 2 only 3 and 4 1 only 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS