Computer Networking Acknowledgments, sequencing, and flow control are characteristics of which OSI layer? Layer 7 Layer 4 Layer 2 Layer 3 Layer 7 Layer 4 Layer 2 Layer 3 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following best illustrates the default subnet mask for a class A,B, and C Network? 255.0.0.0, 255.255.0.0, 255.255.255.0 None of these 255.255.255.0, 255.255.0.0, 255.0.0.0 255.255.0.0, 255.255.255.0, 255.255.255.255 0.0.0.0, 0.0.0.1, 0.0.1.1 255.0.0.0, 255.255.0.0, 255.255.255.0 None of these 255.255.255.0, 255.255.0.0, 255.0.0.0 255.255.0.0, 255.255.255.0, 255.255.255.255 0.0.0.0, 0.0.0.1, 0.0.1.1 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following refers to the terms "residual error rate"? 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 undetected when an error detection scheme is used the probability that one or more errors will be detected when an error detection mechanism is used None of these the number of bit errors per twenty four hours of continuous operation on an asynchronous line 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 undetected when an error detection scheme is used the probability that one or more errors will be detected when an error detection mechanism is used None of these the number of bit errors per twenty four hours of continuous operation on an asynchronous line ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Error detection at a data link level is achieved by cyclic redundancy codes equalization None of these bit stuffing Hamming codes cyclic redundancy codes equalization None of these bit stuffing Hamming codes ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What type of RJ45 UTP cable do you use to connect a PC's COM port to a router or switch console port? Crossover with a CSU/DSU Straight-through Rolled Crossover cable Crossover with a CSU/DSU Straight-through Rolled Crossover cable ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Your switch has a port status LED that is alternating between green and amber. What could this indicate? The port is shut down. The port is in STP blocking mode. The port is experiencing errors. Nothing; this is normal. The port is shut down. The port is in STP blocking mode. The port is experiencing errors. Nothing; this is normal. ANSWER DOWNLOAD EXAMIANS APP
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