Facility Restriction Level (FRL) can be used to control the privileges of a call originator. What are the levels of FRL that can be assigned?

Question

Options

• A0 -10 (with 10 being the lowest privilege level)
• B0 -7 (with 7 being the lowest privilege level)
• C0 -7 (with 7 being the highest privilege level)
• D0 -10 (with 10 being the highest privilege level)

• A
  2% (1)
• B
  2% (1)
• C
  7% (3)
• D
  89% (41)

Explanation

Option D is correct because Facility Restriction Level spans 0 through 10, where 10 represents the highest privilege (fewest restrictions on call routing) and 0 represents the most restricted level - meaning a caller with FRL 10 can access routes that lower FRL callers cannot.

Option A uses the correct 0–10 range but reverses the logic, incorrectly claiming 10 is the lowest privilege. Option B uses a narrower 0–7 range and also inverts the privilege direction. Option C gets the direction right (higher number = higher privilege) but uses the wrong range of 0–7 instead of 0–10.

Memory tip: Think of FRL like a clearance level - the bigger the number, the more "cleared" you are to make calls. "10 = Top privilege, 0 = zero access."

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