Computer Networking What is the name of the device that converts computer output into a form that can be transmitted over a telephone line? Teleport Modem None of these Multiplexer Concentrator Teleport Modem None of these Multiplexer Concentrator ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What are the data transmission channels available for carrying data from one location to another? Narrowband Voiceband All of these None of these Broadband Narrowband Voiceband All of these None of these Broadband ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following characteristics is not true of NetBEUI? Fast for small networks to Self-tuning None of these Routable Little configuration required Highly-customizable Fast for small networks to Self-tuning None of these Routable Little configuration required Highly-customizable ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The CCITT Recommendation X.25 specifies three layers of communications: physical datalink and network datalink, network and transport Session, transport and network application, presentation and session None of these physical datalink and network datalink, network and transport Session, transport and network application, presentation and session None of these 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? None of these one bit or any odd 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 two bits or any even number of bits inverted in a byte during transmission None of these one bit or any odd 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 two bits or any even number of bits inverted in a byte during transmission ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Your switch has a port status LED that is alternating between green and amber. What could this indicate? Nothing; this is normal. The port is experiencing errors. The port is in STP blocking mode. The port is shut down. Nothing; this is normal. The port is experiencing errors. The port is in STP blocking mode. The port is shut down. ANSWER DOWNLOAD EXAMIANS APP
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