Which of the following protocols uses port 3389?
Answer(s): D
A crossover cable is MOST commonly associated with which of the following layers of the OSI model?
Which of the following protocols are used to view and send mail from a local host off of a remote server? (Select TWO).
Answer(s): C,D
Frame relay occurs at which of the following layers of the OSI model?
Answer(s): B
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