Computer Networking How much power (roughly) a light-emitting diode can couple into an optical fiber? 100 microwatts 10 milliwatts None of these 100 picowatts 440 microwatts 100 microwatts 10 milliwatts None of these 100 picowatts 440 microwatts ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which class of IP address provides a maximum of only 254 host addresses per network ID? Class C Class B Class A Class D Class C Class B Class A Class D ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which command-line tool is included with every Microsoft TCP/IP client? WINIPCFG DHCP None of these PING WINS WINIPCFG DHCP None of these PING WINS ANSWER DOWNLOAD EXAMIANS APP
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 The probability that a single bit will be in error on a typical public telephone line using 4800 bps modem is 10 to the power -3. If no error detection mechanism is used, the residual error rate for a communication line using 9-bit frames is approximately equal to None of these 0.999 0.991 0.009 0.003 None of these 0.999 0.991 0.009 0.003 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Messages from one computer terminal can be sent to another by using data networks. The message to be sent is converted to an electronic digital signal, transmitted via a cable, telephone or satellite and then converted back again at the receiving end. What is this system of sending messages called? Paperless office Global network Electronic newspaper Electronic mail None of these Paperless office Global network Electronic newspaper Electronic mail None of these ANSWER DOWNLOAD EXAMIANS APP
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