Words to Describe countermeasure

How countermeasure often is described ("________ countermeasure")

• useful
• simplest
• electronic
• successful
• single
• necessary
• simple
• adequate
• commutative
• obvious
• reasonable
• passive
• defensive
• specific
• only
• potential
• potent
• viable
• common
• primary
• lawful
• additional
• important
• soviet
• suitable
• reliable
• appropriate
• active
• particular
• easy
• second
• suggested
• logical
• usual
• german
• practical
• attractive
• best
• randomized
• optical
• proactive
• immediate
• strongest
• protective
• preventive
• feasible
• valuable
• cryptographic
• counter
• ultimate
• effective
• possible
• typical
• powerful
• drastic
• efficient
• standard
• ideal
• radical
• preferred