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?

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 byte during transmission
None of these
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

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

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