1. There are many ways to design test cases, and there are different conditions for each approach. The following are descriptions of several methods:
For a clear business flow of the system can use ___ throughout the test case design process, in the use case comprehensive use of various test methods, for the parameter configuration class software to use ___ to select a few combinations to achieve the best results, if the program's function description contains the combination of input conditions, You can choose ___ from the beginning.
for the above description, the option to fill in the blanks in the correct order is (). (Select an item)
A. Equivalence class partitioning method, causality diagram method, state diagram method
B. Scene method, orthogonal arrangement method, Causality diagram method
C. State graph method, equivalence class partitioning method, Causality diagram method
D. Causality diagram method, orthogonal permutation method, equivalence class division method
Analysis: Based on the clear business flow system, scene method can be used throughout the test case process, and can be based on the comprehensive application of various test methods; Orthogonal test method is simple and advantageous in test case design of parameter configuration class and compatibility. Cause and Effect diagram method is more suitable for each input condition in the system and the relationship between the output results, so the correct answer to the question select B.
2. When using the LoadRunner Results Chart analysis function, the following () can be decomposed as a condition to determine whether there are network bottlenecks and server bottlenecks in the Web system. (Select an item)
A.connection time
B.receive time
C.client time
D.first Buffer Time
Explanation and Analysis:
Connection Time: The time required to establish the initial connection, which can react to network problems, the smaller the number the better.
Receive time: The time the data is received, this time reflects the size of the bandwidth, the greater the bandwidth, the shorter the download time.
Client time: Think time or the delay time of the request sent by clients
First buffer time: After a connection is made to the server, the time required to successfully receive the first buffer for the server is sent from the server, starting at the start of the packet and transmitting over the network. Can respond to network problems or service problems. So the answer to this question is D.
3. There are the following C language Program sections:
if (x==30&&y>-10)
z=0;
For the value of the variable x, y, the combination of the following test cases () can meet the requirements of the conditional combination test.
①x=50 y=-10 ②x=40 y=40③x=30 y=-10
④x=20 y=0 ⑤x=30 y=30⑥x=30 y=10
A.①②⑤⑥ b.③④⑤⑥ c.①②③④ D.①②③⑥
Analysis: Conditional combination coverage is a relatively strong coverage, the determination of the various combinations of conditions at least once, so the answer to choose D.
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