⟩ What is a utility?
"Utility" is a software tool designed to perform some frequently used support function. For example, one utility is a program to print files.
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Consider these sets of values 1. RED + WHEELS 2. RED + not WHEELS 3. not RED + WHEELS 4. not RED + not WHEELS Assume the logic in the code is as follows If RED and WHEELS then Take the photo Else Do not take the photo Given this information, which sets of values provides the minimum tests to achieve 100% decision/condition coverage? A. 1 and 4 B. 1 and 2 or 1 and 3 C. 1, 2, 3 and 4 D. 2 and 3
Consider these sets of test values 1. RED + SPEED + WHEELS 2. RED + SPEED + not WHEELS 3. RED + not SPEED + WHEELS 4. RED + not SPEED + not WHEELS 5. not RED + SPEED + WHEELS 6. not RED + SPEED + not WHEELS 7. not RED + not SPEED + WHEELS 8. not RED + not SPEED + not WHEELS Assume the logic in the code is as follows If ((RED or SPEED) and WHEELS) then Take the photo Else Do not take the photo Given this information, which sets of values provides the minimum tests to achieve 100% modified condition/decision coverage? A. 3, 4, 5, 7 B. 1, 3, 8 C. 2, 8 D. 1, 5, 7, 8
Consider these sets of values 1. RED + SPEED + WHEELS 2. RED + SPEED + not WHEELS 3. RED + not SPEED + WHEELS 4. RED + not SPEED + not WHEELS 5. not RED + SPEED + WHEELS 6. not RED + SPEED + not WHEELS 7. not RED + not SPEED + WHEELS 8. not RED + not SPEED + not WHEELS Assume the logic in the code is as follows If ((RED or SPEED) and WHEELS) then Take the photo Else Do not take the photo Given this information, which sets of values provide the minimum tests to achieve 100% multiple condition coverage? A. All the sets are needed B. 3, 4, 5, 7 C. 1, 3, 8 D. 1, 5, 7, 8
You are testing a photo-enforcement system for traffic control in an intersection. The requirements state that a photo shall be taken if the signal light is red (RED) or the car is speeding (SPEED) and if the front wheels of the car are over the line marking the beginning of the intersection (WHEELS). Consider these sets of values 1. RED + SPEED + WHEELS 2. RED + SPEED + not WHEELS 3. RED + not SPEED + WHEELS 4. RED + not SPEED + not WHEELS 5. not RED + SPEED + WHEELS 6. not RED + SPEED + not WHEELS 7. not RED + not SPEED + WHEELS 8. not RED + not SPEED + not WHEELS Given this information, which sets of values provide the minimum tests to achieve 100% path coverage? A. 2, 3 B. 3, 4, 5, 7 C. 1, 3, 8 D. 1
Which of the following types of defects are targeted by API testing? A. incorrect data handling B. timing problems C. loss of transactions D. non-conformance to coding standards E. lack of usability F. installation defects G. GUI faults
You are the test analyst working on the testing of software that will control the movement of a roof on a new national sports stadium that seats 100,000 spectators. A failure analysis has shown that if the software system fails then it may cause the roof to break up and fall on the spectators. The government has requested that the level of testing for this software exceeds that normally required by the relevant regulatory standards. Which is the level of test coverage you would expect to be achieved in the testing of the control software for the stadium roof? A. Multiple Condition coverage B. Branch coverage + Modified Condition/Decision coverage C. Branch coverage + Statement coverage D. Modified Condition/Decision coverage
0 program TRICKY 1 var1, var2, var3 integer 2 begin 3 read ( var2 ) 4 read ( var1 ) 5 while var2 < 10 loop 6 var3 = var2 + var1 7 var2 = 4 8 var1 = var2 + 1 9 print ( var3 ) 10 if var1 = 5 then 11 print ( var1 ) 12 else 13 print ( var1+1 ) 14 endif 15 var2 = var2 + 1 16 endloop 17 write ( "Wow - that was tricky!" ) 18 write ( "But the answer is…" ) 19 write ( var2+var1 ) 20 end program TRICKY Which of the following statements about the TRICKY program MOST correctly describes any control flow anomalies in it? A. The TRICKY program contains unreachable code and an infinite loop B. The TRICKY program contains no control flow anomalies C. The TRICKY program contains unreachable code D. The TRICKY program contains a loop with multiple entry points
0 program Calculate Commission 1 total, number integer 2 commission_hi, commission_lo real 3 begin 4 read ( number ) 5 while number ≠ -1 loop 6 total = total + number 7 read ( number ) 8 endloop 9 if total > 1000 then 10 commission_hi = 100 + 0.2 * ( total - 1000 ) 11 else 12 commission_lo = 0.15 * total 13 endif 14 write ( "This salesman's commission is") 15 write ( commission_hi ) 16 end program Calculate Commission Which of the following correctly lists data flow anomalies that exist in the 'calculate commission' program? A. total line 6; commission_lo line 12; commision_hi line 15 B. commision_hi line 10; commission_lo line 12 C. number line 5; number line 6 D. total line 6; commision_hi line 10; commission_lo line 12
Which of the following is a way to use call graphs to determine integration testing requirements? A. Establishing the number of locations within the software from where a module or system is called B. Establishing the number of locations within the software from where a method or function is called C. Determining conditional and unconditional calls for performance analysis D. Detecting areas to be targeted for possible memory leaks
Which of the following statements would BEST justify the use of dynamic analysis in this situation? A. Dynamic analysis could identify memory access violations caused by a wild pointer that result in the occasional 'crashes'. B. Dynamic analysis could be used to measure response times for various functions to subsequently allow system tuning. C. Dynamic analysis could be used to generate call graphs of the system to allow targeted performance enhancement. D. Dynamic analysis could be used to determine if defects introduced by programmers failing to release allocated memory are causing the 'crashes'.
