IIA Certified Internal Auditor - Part 3, Business Analysis and Information Technology IIA-CIA-PART3-3P Dumps in PDF

Free IIA IIA-CIA-PART3-3P Real Questions (page: 24)

Which of the following statements is false regarding the efficient and economical achievement of the organization's objectives?

  1. Economical performance accomplishes objectives with minimal use of resources with no regard to risk exposure.
  2. Efficient performance accomplishes objectives in a timely manner.
  3. Economical performance accomplishes objectives with minimal use of resources commensurate with the risk exposure.
  4. Efficient performance accomplishes objectives in an accurate and economical manner.

Answer(s): A

Explanation:

Efficient performance accomplishes objectives and goals in an accurate, timely, and economical fashion. Economical performance accomplishes objectives and goals with minimal use of resources (i.e., cost) commensurate with risk exposure. Thus, to achieve economical performance when accomplishing objectives, the minimal cost should correspond to the degree of risk exposure.



Queuing models are concerned with balancing the cost of waiting in the queue with the:

  1. Cost of providing service.
  2. Number of customers in the queue.
  3. Average waiting time in the queue.
  4. Usage rate for the service being rendered.

Answer(s): A

Explanation:

Queuing (waiting-line) models minimize, for a given rate of arrivals, the sum of (1) the cost of providing service (including facility costs and operating costs) and (2) the cost of idle resources waiting in line. The latter may be a direct cost, if paid employees are waiting, or an opportunity cost in the case of waiting customers. This minimization occurs at the point where the cost of waiting is balanced by the cost of providing service.



The operating condition that cannot be identified by using a queuing model is the:

  1. Average percentage of time that a service facility is idle.
  2. Probability of a specified number of units in the queue.
  3. Actual amount of time each unit spends in the queue.
  4. Average number of units in the system and the mean length of the queue.

Answer(s): C

Explanation:

Queuing models determine the operating characteristics of a waiting line: the probability that no units are in the system, the average units in the line, the average units in the system, the average time a unit waits, the average time a unit is in the system, the probability that a unit must wait, and the probability of a given number of units in the system. However, the actual time spent in the queue cannot be determined from the model.



A bank has changed from a system in which lines are formed in front of each teller to a one-line, multiple-server system.
When a teller is free, the person at the head of the line goes to that teller.
Implementing the new system will:

  1. Decrease the bank's wage expenses because the new system uses fewer tellers.
  2. Decrease time customers spend in the line.
  3. Increase accuracy in teller reconciliations at the end of the day because fewer customers are served by each teller.
  4. Improve on-the-job training for tellers because each will perform different duties.

Answer(s): B

Explanation:

When all customers must wait in a single queue, a decrease in waiting time is possible given multiple servers. An added effect is to increase customer satisfaction.



The drive-through service at a fast-food restaurant consists of driving up to place an order, advancing to a window to pay for the order, and then advancing to another window to receive the items ordered. This type of waiting-line system is:

  1. Single channel, single phase.
  2. Single channel, multiple phase.
  3. Multiple channel, single phase.
  4. Multiple channel, multiple phase.

Answer(s): B

Explanation:

The drive-through represents a single queue (channel}. Because this waiting line has three services in series, it may be said to be multiple phase. Another example is the typical factory assembly line. This terminology (channel, phase), however, is not used by all writers on queuing theory.



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