Which of the following is important when replacing a power supply in a workstation located in a datacenter server rack?
A. A fanless power supply should be used
B. The proper voltage must be selected
C. The unit must be the same or less wattage
D. The power connector location must be the same
Answer: B
Which of the following BEST describes the reason a network administrator would task a technician with replacing a hub with a switch?
A. The hub did not provide PoE
B. The hub had too many collisions
C. The hub was out of ports
D. The hub had a bad port
Answer: B