1. A customer tells you that the computer runs fine for a few minutes but then freezes. Which of the following is the most likely cause of this problem? A. The optical drive is faulty. B. Power...

1. A customer tells you that the computer runs fine for a few minutes but then freezes. Which of the following is the most likely cause of this problem?

A. The optical drive is faulty.

B. Power supply

C. Fans are failing.

D. Memory is not seated properly. failed.

2. You install a fiber-based backbone switch that connects three different departments’ LAN switches. Which of the following network topologies did you just create? (Select the best, most specific answer.)

A. Star

B. Hybrid star

C. Star-bus

D. Hierarchical star