CompTIA Network+ N10-006 Q741

A user is unable to connect to a server in another building. A technician is troubleshooting the issue and determines the following:
1) Client PC 1 has an IP address if
2) PC 1 can successfully ping its gateway of which is an interface of router A
3) Server A is named ‘BLDGBFILESRVR01’ and has an IP address of
4) PC 2 with an IP address of can successfully ping server A
However, when PC 1 pings server A, it receives a destination host unreachable responds. Which of the following is the MOST likely cause?

A. Link from touter A to PC 1 are on different subnets
B. Link from router A to server A is down
C. Link from PC 1 to router A has duplex issues
D. Link from server A top PC 2 is down

Correct Answer: A