Which of the following are valid parsers in the ASIM?

Answer options:

A.source-agnostic
B.All of the options listed
C.source-explicit
D.source-gnostic

Correct Answer: A
Option A is correct. ASIM includes two levels of parsers: source-agnostic and source-specific parsers:
Option B, C & D are incorrect. These parsers are invalid.
Reference: 

https://docs.microsoft.com/en-us/azure/sentinel/normalization-about-parsers