The ____ Layer Is the Bridge Between Logical and Physical

question 33

Multiple Choice

The ____ layer is the bridge between logical and physical views of secondary storage.

• A) file control
• B) disk control
• C) storage I/O control
• D) block control

---

Definitions:

Poisson Distribution

A probability distribution that expresses the probability of a given number of events occurring in a fixed interval of time or space.

Negative Exponential Distribution

A probability distribution used to model time between events in a Poisson process, indicating a constant rate of occurrence.

Average Arrival Rate

A metric used to measure the rate at which entities (customers, goods, etc.) arrive at a facility or system over a specified period.

Average Service Rate

The average number of customers or units that can be processed over a certain time frame in a service system.