Quiz - Performance Modeling
Performance Modeling is as much a science as it is art and one of the less understood topics by developers. Performance modeling is mot same as Performance testing using Load/Stress methodology although data collected through testing can be extremely useful to properly initialize the model and validate it. This quiz touches upon some of the fundamental formulas used in performance modeling.
- 1.
Mean service time per completion at resource i; Si is equal to
- A.
T/Ci
- B.
Bi/Ci
- C.
Ai/Ci
- D.
Bi/C0
Correct Answer
B. Bi/Ci -
- 2.
Utilization of resource i; Ui is equal to
- A.
Ai/T
- B.
Bi/T
- C.
Ai/A0
- D.
Bi/C0
Correct Answer
B. Bi/T -
- 3.
Throughput (i.e., completions per unit time) of resource i; Xi is equal to
- A.
Bi/T
- B.
Ai/T
- C.
Ci/T
- D.
Ci/C0
Correct Answer
C. Ci/T -
- 4.
Arrival rate (i.e., arrivals per unit time) at resource i; λi is equal to
- A.
Ai/T
- B.
Ai/A0
- C.
(Ai-Ci)/T
- D.
(Ai-Ci)/A0
Correct Answer
A. Ai/T -
- 5.
Which of the equation represent Utilization Law?
- A.
Ui = Xi x Si
- B.
Ui = Vi x Xo
- C.
Ui = Vi x Si
- D.
Ui = X0 x Si
Correct Answer
A. Ui = Xi x Si -
- 6.
Which of the equation represent Forced Flow Law?
- A.
Di = Vi x Si
- B.
Xi = Vi x Xo
- C.
Vi = Xi x Si
- D.
Xi = Bi x Xo
Correct Answer
B. Xi = Vi x Xo -
- 7.
Which of the equation represent Service demand Law?
- A.
Di = Vi x Xo
- B.
Di = Xi x Si
- C.
Di = Bi x Xo
- D.
Di = Vi x Si
Correct Answer
D. Di = Vi x Si -
- 8.
Which of the equation represents Interactive Response Time Law where M represents the number of clients?
- A.
R = M/Xo - Z
- B.
R = M/Xo + Z
- C.
R = Xo/M - Z
- D.
R = Xo/M + Z
Correct Answer
A. R = M/Xo - Z -
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Current Version
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Mar 20, 2022Quiz Edited by
ProProfs Editorial Team -
Aug 19, 2008Quiz Created by
Sarvesh
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