After a notable event has been closed, how long will the meta data for that event remain in the KV Store by default?

After a notable event has been closed, how long will the meta data for that event remain in the KV Store by default?
A . 6 months.
B . 9 months.
C . 1 year.
D . 3 months.

Answer: A

Explanation:

By default, notable event metadata is archived after six months to keep the KV store from growing too large.

Reference: https://docs.splunk.com/Documentation/ITSI/4.10.2/EA/TrimNECollections