What are the two primary functions of a BERT?
A) Pattern generator
B) Error detector
C) Throughput measurement
D) Cable certification
A, B
Explanation: A bit-error rate tester (BERT) is used to test the functionality of a circuit; it does this by being able to generate testing patterns and measure the error rate of the pattern when it is received on the other side of the circuit. Commonly, these are used along with loopback plugs so that the same device can both generate traffic and error check. However, they can also be used as a pair with one on each side of a circuit, with one acting as a pattern generator and the other acting as an error detector.
A bit-error rate tester (BERT) is used to test the functionality of a circuit; it does this by being able to generate testing patterns and measure the error rate of the pattern when it is received on the other side of the circuit. Commonly, these are used along with loopback plugs so that the same device can both generate traffic and error check. However, they can also be used as a pair with one on each side of a circuit, with one acting as a pattern generator and the other acting as an error detector.
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