Answer: Stubs, data flow analysis, capture-replay tools and mock object are useful during the system testing.
Explanation:
Stubs hold the predefined data and used it to answer calls during testing. Stub act as an object and test scrub simulated the charactertics of software components.
Data flow analysis used in the programming of software components by using the control flow graph. It basically focused on the data variable and their definite values. It is used in the form of whitepox testing.
Capture replay tool is used as aggression development test and during testing it records all the events. By using playback it also compared the results in the testing.
Mock object are used to verified all the expected results and behavior during testing. Mock objects are mainly used in unit testing.
She can use Mainframe computers because these computers are very powerful in complex calculations.
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Answer: Sniffing through a hub
Explanation:
When we sniff through a hub we are able to listen to all the data transmitted through to and fro from all the computers in the network. So it is better to perform passive sniffing which includes Sniffing through a hub.
Explanation:
to put into mechanical action or motion The pump is actuated by the windmill.
Answer: (B) It reduces the cost of transmitting documents
Explanation:
The web based EDI (Electronic data interchange) is one of the simplest technique for transmitting the various types of documents by using the EDI system.
In the web based electronic data exchange, we exchange the file or document by using the web forms in the internet browser.
The main advantage of the web based EDI system is that it reduces the overall cost during the transmission of documents. The EDI system is basically bases on the SAAS (Software as a service) principle and it is widely used in the business.
Therefore, Option (B) is correct.