Computer Networking
Which of the following refers to the terms "residual error rate"?

None of these
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
signal to noise ratio divided by the ratio of energy per bit to noise per hertz

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Computer Networking
You have two switches connected together with two crossover cables for redundancy, and STP is disabled. Which of the following will happen between the switches?

Broadcast storms will occur on the switched network.
The switches will automatically load-balance between the two links.
The routing tables on the switches will not update.
The MAC forward/filter table will not update on the switch.

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