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20 Cards in this Set
- Front
- Back
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1. Which one of the following is NOT the advantage of handheld IMS (ion mobility spectrometer):
A. sensitivity B. ease of operation C. instrument robustness D. low maintenance |
D
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2. Which one of the following is NOT the reason of mass spectrometers’ slow deployment for routine screening:
A. low limits of detection B. high costs C. high maintenance requirements D. need for expert operators |
A
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3. Which of the following is NOT the advantage of amplifying fluorescent polymers:
A. small size B. low selectivity C. low cost D. high sensitivity |
B
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4. Which of the following is NOT the advantages of trace explosives detection portals:
A. automated detection B. high sensitivity C. noninvasive screening D. low cost |
D
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5. Which of the following is NOT the disadvantages of trace explosive detection portals:
A. size B. cost C. efficiency D. maintenance |
C
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6. Which of the following is NOT the basic elements of mechanical locks:
A. bolt moving device B. maze or labyrinth C. keyway D. housing |
D
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7. A four-tumbler combination lock, each of whose tumblers had 100 numbers of dial positions. Then what’s the theoretical max number of combinations it would have:
A. 100 B. 100^2 C. 100^3 D. 100^4 |
D
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8. Besides Warded lock, what are the rest primary types of mechanical locks:
A. lever lock B. pin and wafer tumbler lock C. dial combination locks D. all above |
D
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9. Which of the following is NOT the major security difficulty presented by the master keying technique:
A. key convenience is not assured B. very effective key accountability must be maintained C. positions or possibilities of surreptitious unlocking are presented D. additional maintenance is needed |
A
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10. Which of the following is/are the attack(s) that can result in failure or
compromise to mechanical locks: A. attack by force B. surreptitious attack C. attack by impression-making and “try” keys D. all above |
D
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11. The reason(s) why an installed mechanical locking system requires periodic changes in the lock tumbler arrangement is/are:
A. authorized personnel compromise of the system B. loss or unaccountability of keys C. major changes in occupancy D. all above |
D
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12. An installed mechanical locking system requires periodic changes in the lock tumbler arrangement. There are several ways in which the tumbler change or the equivalent effect can be achieved by:
A. relocation of the lock B. rearrange of the doors or cabinets C. redistribute the keys D. none of above |
A
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13. Which kind of locking mechanism is the one that will unlock under any failure condition, like loss of power:
A. fail secure B. fail lock C. fail safe D. fail unlock |
C
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14. Which kind of locking mechanism is the one that will remain lock when power is lost or another failure occurs:
A. fail secure B. fail lock C. fail safe D. fail unlock |
A
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15. Which of the following is known as a panic bar or crash bar, and is commonly used on doors in the path of egress from structures with high occupancy:
A. electric deadbolt B. electric lockset C. exit device D. electromagnetic lock |
C
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16. Delayed egress locking system is developed as a compromise between safety and security, this system is usually applied to doors intended to be used only for emergency fire egress. But some premise(s) should be provided except for:
A. special signage is required to inform users of the delay B. the system must be connected to the fire alarm system C. the delay must not occur in the event of a fire or other defined life safety emergency D. the delay must be less than 30 seconds |
D
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17. Despite the sophistication of modern access control system, the traditional mechanical lock and key remain the most commonly used system for restricting access to assets. The justifications for this choice include:
A. small size, simplicity of operation, reliability B. low cost, simplicity of operation, roughness C. small size, low maintenance, reliability D. low cost, simplicity of operation, reliability |
D
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18. For lock program, where there is a formal security organization, the assignment of developing the lock program should be given to:
A. Security B. Admin C. HR D. Responsible manager |
A
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19. For lock program, where there is no full time professional security specialist or staff, the assignment of developing the lock program should be given to:
A. Security B. Admin C. HR D. Responsible manager |
D
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20. Laboratory testing reveals that in some integrated systems, alarms take several seconds to be received by the AC&D system because the system is busy processing entry control requests. This is why we should perform system testing under following condition(s):
A. normal B. abnormal C. malevolent D. all above |
D
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