A _____filter establishes maximum and minimum possible level

a-filter-establishes-maximum-and-minimum-possible-level

A _____filter establishes maximum and minimum possible level for processing.

A. adaptive

B. flooring

C. roofing

D. content

I had been asked this question during an internship interview.

This question is from RF and IF Processing Tradeoffs topic in division Technology Tradeoffs in Software Defined Radio of Cognitive Radio

Correct choice is C. roofing

To explain: A roofing filter establishes the maximum (roof) and minimum (floor) linearly possible level for processing. It is also referred to as co-site filter.