Industry Best Practices Flashcards

Under IEC 62676-4, what minimum pixel density is recommended to identify a person beyond reasonable doubt?

Answer: 250 pixels per meter

Identification requires about 250 px/m, compared with 125 for recognition and 25 for detection.

Which UL standard covers central-station alarm services?

Answer: UL 827

UL 827 sets requirements for central-station monitoring facilities and their operations.

What does a UL TL-15 safe rating indicate?

Answer: The door resists common hand and power tools for 15 minutes of net working time

TL-15 means the door and front face resist an expert tool attack for 15 minutes of net working time.

Applying the principle of least privilege to physical access means doing what?

Answer: Granting access only to the areas and times needed for the person's role

Least privilege limits exposure by tying access rights strictly to job need.

An employee is terminated involuntarily. What is the best practice for that person's access credentials?

Answer: Deactivate them immediately, ideally at or before notification

Revoking access right away closes the window for retaliation or theft by a departing employee.

Which glazing choice best reduces injuries from flying glass shards after a blast?

Answer: Laminated glass properly anchored in the frame

The interlayer in laminated glass holds fragments together, and anchoring keeps the pane in the frame.

Which practice best ensures a security incident report will hold up in an investigation or in court?

Answer: Writing it promptly with objective, factual, chronological detail

Prompt, factual, and objective reports preserve accuracy and credibility.