What is a part of the maintenance history, and it contains information for each technical object (such as, damage, malfunctions, causes, findings, and maintenance work performed)?

What is a part of the maintenance history, and it contains information for each technical object (such as, damage, malfunctions, causes, findings, and maintenance work performed)?
A . Packets are routed based on the information in the policy-based routing table
B . Notification history
C . An ICMP error message is sent back to the originator
D . Packets are dropped

Answer: B