Skip to content

Find an exam Resources

Exam directory/ Security

HI Security Guard

Hawaii Security Guard

CommunicationsEnglish

Practice session

When using a two-way radio, what does the term '10-4' mean?

Loading your practice session…

YOUR SESSION

Communications

Ready to start

Progress saves in this browser.

Other ways to study

Practice by topic Full question bank Articles

Free practice for your next exam.

Exam directory Study resources Exámenes en español Support Privacy

Independent study material. Exam sponsors are listed for identification. As an Amazon Associate, ExamFinch earns from qualifying purchases.