Which of the following is true of an Ethernet hub?
A. It works as an amplifier to boost signal strength.
B. It reads a signal coming in from one port and repeats the signal out to the other ports.
C. It reduces the collisions on an Ethernet network.
D. It sends the same signal back down the port that originally sent it.
Answer: B
Computer Science & Information Technology
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Computer Science & Information Technology
HTML allows you to identify the different parts of your table using the ____ tags.
A. B.
C. D. all of the above
Computer Science & Information Technology
The NETWORKDAYS function checks a formula for correctness.
Answer the following statement true (T) or false (F)
Computer Science & Information Technology
Evaluate the expression by applying the appropriate rule for basic operations with signed numbers. 
A. 60 B. 6 C. 0 D. 3 E. undefined
Computer Science & Information Technology