In Trusted Tester 4B keystroke timing, which statement is true?

• A. Keystrokes must be executed within precise timing for activation of all functionality
• B. Keystroke timing must be considered only for some controls
• C. Timing is irrelevant for keyboard interactions
• D. Individual keystrokes do not require specific timings for activation of functionality

Answer: (D)

Keystroke timing in Trusted Tester 4B focuses on whether activating a control depends on a precise interval between keystrokes. The true statement is that individual keystrokes do not require specific timings for activation of functionality. A user should be able to press a key and trigger the intended action reliably, at their own pace, without needing to hit a key within an exact time window. This supports keyboard accessibility by avoiding timing gates that could exclude users with slower or less predictable input. Some operations may involve sequences, holds, or modifiers, but those are not dictated by per-keystroke timing for basic activation. The other options imply timing constraints apply globally or only to certain controls, or claim timing is irrelevant altogether, which doesn’t align with how Trusted Tester evaluates practical keyboard activation.