Answer:
Option A
Step-by-step explanation:
Option B is rejected because it is used to get the startup network settings, processes extra features used by the network.
Option C is rejected because it is used to check the stats like ping,fps of the network by using a loop back.
Option A is selected because PING command is used to check the data packets transfer rate between two ends using ICMP protocol. Local host means that you are specifying the one end as your side. If the packets are there then it is working else the IP service is down.