quizzes: expand all 35 quizzes to 15 questions each

OPS-1 through OPS-10, OS-2, OS-3 went from 5 → 15.
OS-1, OS-4 through OS-11, SEC-1 through SEC-11, TRB-1 through TRB-4 went from 7 → 15.
Questions cover exam-weight scenarios not duplicated from original content.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

quizzes/OPS-5-quiz.md

@@ -42,6 +42,76 @@ B. To improve password length
 C. To disable updates  
 D. To remove asset tags  
 
+6. What is the primary function of a surge protector?
+
+A. Provide battery backup during outages  
+B. Protect equipment from voltage spikes  
+C. Regulate air temperature  
+D. Reduce toner waste  
+
+7. Which environmental condition most commonly causes hard drive failure due to physical damage?
+
+A. Low humidity  
+B. High humidity  
+C. Excessive shock or vibration  
+D. Insufficient ventilation  
+
+8. A server room temperature is consistently above recommended range. Which action best mitigates the risk?
+
+A. Add more servers to generate more heat  
+B. Ensure proper airflow with cold aisle/hot aisle arrangement and additional cooling  
+C. Reduce the number of UPS units  
+D. Disable ventilation  
+
+9. What is the purpose of a UPS beyond just providing power during an outage?
+
+A. It speeds up the internet connection  
+B. It also conditions power to filter noise and spikes before they reach equipment  
+C. It replaces the need for surge protectors on other devices  
+D. It eliminates the need for a generator  
+
+10. How should old ink cartridges be disposed of?
+
+A. Thrown in regular trash  
+B. Poured down a drain  
+C. Returned to manufacturer programs or recycled per local regulations  
+D. Incinerated  
+
+11. Which device protects against both power outages AND voltage fluctuations, unlike a surge protector alone?
+
+A. Power strip  
+B. UPS  
+C. Smart plug  
+D. Ethernet switch  
+
+12. A company is in a flood-prone area. Which data protection measure is most relevant?
+
+A. Lower the server room temperature  
+B. Store backups offsite in a higher elevation location  
+C. Add a UPS  
+D. Replace surge protectors  
+
+13. A server room has poor airflow and hot air is recirculating into server intakes. Which layout improvement addresses this?
+
+A. Remove server rack doors  
+B. Implement hot aisle/cold aisle containment  
+C. Add more toner cartridges  
+D. Reduce lighting  
+
+14. Which gas-based fire suppression system is preferred in server rooms because it does not damage equipment?
+
+A. Water sprinkler  
+B. Foam suppression  
+C. Clean agent (e.g., FM-200 or Halon replacement)  
+D. Dry powder  
+
+15. Why should equipment not be placed in direct sunlight?
+
+A. It reduces browser performance  
+B. Heat and UV light can degrade components and shorten equipment life  
+C. It interferes with wireless signals  
+D. It increases humidity  
+
 ## Answer Key For Instructor
 
 1. B
@@ -49,4 +119,14 @@ D. To remove asset tags
 3. C
 4. D
 5. A
+6. B
+7. C
+8. B
+9. B
+10. C
+11. B
+12. B
+13. B
+14. C
+15. B