In what format are web server log files usually generated and how must you transform them in
order to make them usable for analysis in Hadoop?

A.
XML files that you need to convert to JSON

B.
Text files that require parsing into useful fields

C.
CSV files that require parsing into useful fields

D.
HTML files that you need to convert to plain text or CSV

E.
Binary files that may require decompression and conversion using AVRO