A proxy server acts as an agent between a web browser and a real server
Indicate whether the statement is true or false
TRUE
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If data in the main program is needed by a subprogram, the value of that data is passed to, or __________ by, the subprogram.
Fill in the blank(s) with correct word
What is the difference between a scenario and a use case? When do you use each construct?
What will be an ideal response?
Give full details of the centralized two-phase commit protocol in a distributed environment. Outline the algorithms for both coordinator and participants.
Algorithm (a) 2PC coordinator algorithm Algorithm (b) 2PC participants algorithm Algorithm Cooperative termination protocol for 2PC Algorithm 2PC participant restart following failure
Which of the following is true of optional arguments??
A. ?They are used to specify how a function should be written. B. ?They are not separated by a comma when used within a function. C. ?They are not required for a function to return a value. D. ?They always start with a $ symbol in front of them.