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

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Computer Networking
X.21 is

network access standard for connecting stations to a circuit-switched network
a method access control technique for multiple-access transmission media
a method of determining which device has access to the transmission medium at any time
None of these
a very common bit-oriented data link protocol issued by ISO

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