Computer Networking In OSI model, which of the following layer provides error-free delivery of data? Data link Session Network transport None of these Data link Session Network transport None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What is the minimum number of wires needed to send data over a serial communication link layer? 2 4 6 None of these 1 2 4 6 None of these 1 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking An example of a medium-speed, switched communications service is Dataphone 50 Series 1000 DDD All of these None of these Dataphone 50 Series 1000 DDD All of these None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What is the purpose of flow control? To ensure that data is retransmitted if an acknowledgment is not received. To provide a means for the receiver to govern the amount of data sent by the sender. To regulate the size of each segment. To reassemble segments in the correct order at the destination device. To ensure that data is retransmitted if an acknowledgment is not received. To provide a means for the receiver to govern the amount of data sent by the sender. To regulate the size of each segment. To reassemble segments in the correct order at the destination device. ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following data transmission media has the largest terrestrial range without the use of repeaters or other devices? Microwave None of these Laser Satellite Hardwiring Microwave None of these Laser Satellite Hardwiring ANSWER DOWNLOAD EXAMIANS APP
Computer Networking In a synchronous modem, the digital-to-analog converter transmits signal to the modulator None of these demodulator equalizer terminal modulator None of these demodulator equalizer terminal ANSWER DOWNLOAD EXAMIANS APP