Final answer:
Computer B and Computer C are likely to experience connection problems as they are connected to the router through Ethernet cables run through the drop ceiling.
Step-by-step explanation:
The computers that are likely to experience connection problems are Computer B and Computer C. Based on the diagram, these two computers are connected to the router through Ethernet cables that are run through the drop ceiling. Without any further testing, it is possible that the Ethernet cables could be damaged or not properly connected, leading to connection problems for these computers.
Computer A, on the other hand, is directly connected to the router and does not rely on the Ethernet cables. Therefore, it is less likely to experience connection problems compared to Computer B and Computer C.
To determine the actual connection problems, further testing and troubleshooting would be required.