Computer Networking The communication mode that supports data in both directions at the same time is half-duplex full-duplex None of these simplex multiplex half-duplex full-duplex None of these simplex multiplex ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Two computers that communicate with each other use a simple parity check to detect errors for ASCII transmissions. Which of the following events will always lead to an undeleted error? two bits or any even number of bits inverted in a block during transmission one bit or any odd number of bits inverted in a block of data during transmission one bit or any odd number of bits inverted in a byte during transmission None of these two bits or any even number of bits inverted in a byte during transmission two bits or any even number of bits inverted in a block during transmission one bit or any odd number of bits inverted in a block of data during transmission one bit or any odd number of bits inverted in a byte during transmission None of these two bits or any even number of bits inverted in a byte during transmission ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following describes an industry-wide standard suite of protocols and algorithms that allows for secure data transmission over an IP-based network that functions at the layer 3 Network layer of the OSI model? xDSL HDLC Cable IPSec VPN xDSL HDLC Cable IPSec VPN ANSWER DOWNLOAD EXAMIANS APP
Computer Networking A 4 KHz noise less channel with one sample ever 125 per sec is used to transmit digital signals. If Delta modulation is selected, then how many bits per second are actually sent? 8 kbps 128 kbps 64 kbps. None of these 32 kbps 8 kbps 128 kbps 64 kbps. None of these 32 kbps ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What is the name of the software package that allows people to send electronic mail along a network of computers and workstations? Memory resident package Electronic mail package None of these Data communication package Project management package Memory resident package Electronic mail package None of these Data communication package Project management package ANSWER DOWNLOAD EXAMIANS APP
Computer Networking If a switch receives a frame and the source MAC address is not in the MAC address table but the destination address is, what will the switch do with the frame? Add the source address and port to the MAC address table and forward the frame out the destination port Add the destination to the MAC address table and then forward the frame Discard it and send an error message back to the originating host Flood the network with the frame Add the source address and port to the MAC address table and forward the frame out the destination port Add the destination to the MAC address table and then forward the frame Discard it and send an error message back to the originating host Flood the network with the frame ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS