Before you begin
2 to 40 characters. Shown on your results and in the class score history.
This mock examination is a practice aid only. It cannot replace studying the complete Signals Intelligence lesson, and repeated attempts are not a substitute for that study.
Choose a difficulty
To enable the difficulty buttons, enter your name and check the study confirmation above.
Records and privacy
No login and no tracking. Your answers stay in this browser tab and are cleared when you refresh or close it. When your instructor has set up the class history, finishing an attempt sends your name, difficulty, score, percentage, mastery band and finish time to the class history sheet, together with the reference codes of the questions you were asked and of those you missed (for the instructor's question analysis). The answers you chose are never sent, and practice retries of missed questions are not sent at all. To put questions you have not seen yet first, then those you missed, this browser remembers which questions it has shown you and which were missed (question codes only, no name); that record never leaves this device.
Examination
Question
Keyboard: ← → or A–D choose · Enter check / next · Z previous · ↑ ↓ scroll · ? help
Results
This score is practice feedback only. Study the complete lesson; do not rely only on this mock examination.
Keyboard: R retake · C choose another difficulty · M retry missed · ? help
Topic analysis
| Topic | Correct | Result |
|---|
Strengths
Gaps to review in the lesson
Full answer review
Keyboard shortcuts
- →
- Select the next answer: A, B, C, D, then back to A (with nothing chosen yet, A); it is not checked until you press Enter
- A–D or 1–4
- Choose that answer (it is not checked until you press Enter)
- Enter
- Check the answer; once checked, go to the next question; on the last question, view results
- ←
- Select the previous answer: D, C, B, A, then back to D (with nothing chosen yet, D); it is not checked until you press Enter
- Z
- Previous question (your answers stay as they are)
- ↑ ↓
- Scroll the page (they never change your answer)
- R
- On the results page: retake the same difficulty
- C
- On the results page: choose another difficulty
- M
- On the results page: retry only the questions you missed (practice, not saved to the class history)
- S
- Turn sound effects on or off
- ? or H
- Show or hide this list
Shortcuts pause while you type in a text field. Tab, Space and Enter still operate every button.
Class score history
Recent attempts from your class, newest first. Rows with your name are marked “You”.
| Name | Mode | Score | % | Band | Date |
|---|
