Computer Networking Demodulation is the process of converting digital signals to analog signals dividing the high-speed signals into frequency bands converting analog signals to digital signals None of these combining many low speed channels into one high speed channel converting digital signals to analog signals dividing the high-speed signals into frequency bands converting analog signals to digital signals None of these combining many low speed channels into one high speed channel ANSWER DOWNLOAD EXAMIANS APP
Computer Networking For data communications to occur, the communicating devices must be part of a communication system made up of a combination of? Hardware and software Full duplex and half duplex WAN and LAN All of these Hardware and software Full duplex and half duplex WAN and LAN All of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Layer 2 switching provides which of the following?1. Hardware-based bridging (ASIC)2. Wire speed3. Low latency4. Low cost All of these 1, 2 and 4 2 and 4 1 and 3 All of these 1, 2 and 4 2 and 4 1 and 3 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking You have your laptop directly connected into a router's Ethernet port. Which of the following are among the requirements for the copy flash tftp command to be successful?1. TFTP server software must be running on the router.2. TFTP server software must be running on your laptop.3. The Ethernet cable connecting the laptop directly into the router's Ethernet port must be a straight-through cable.4. The laptop must be on the same subnet as the router's Ethernet interface.5. The copy flash tftp command must be supplied the IP address of the laptop. 1, 3 and 4 2, 4 and 5 3 and 5 only 5 only 1, 3 and 4 2, 4 and 5 3 and 5 only 5 only ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What is the usual number of bits transmitted simultaneously in parallel data transmission used by microcomputers? 4 9 8 None of these 16 4 9 8 None of these 16 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following refers to the terms "residual error rate"? the probability that one or more errors will be detected when an error detection mechanism is used the number of bit errors per twenty four hours of continuous operation on an asynchronous line The probability that one or more errors will be undetected when an error detection scheme is used None of these signal to noise ratio divided by the ratio of energy per bit to noise per hertz the probability that one or more errors will be detected when an error detection mechanism is used the number of bit errors per twenty four hours of continuous operation on an asynchronous line The probability that one or more errors will be undetected when an error detection scheme is used None of these signal to noise ratio divided by the ratio of energy per bit to noise per hertz ANSWER DOWNLOAD EXAMIANS APP
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