Question

Select the correct option: If the security protocol _ breached, the system alerts administrators instantly.

• A. were
• B. IS
• C. has
• D. had been

Answer 1

Answer:

B. IS

• is • This is a zero conditional sentence, which expresses a factual certainty or general truth. The structure uses If + present simple, present simple ("If the protocol is breached, the system alerts...").