Saudi Electronic University ePortals Development Discussion

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Programming

Saudi electronic university

Description

What is the difference between synchronous and asynchronous web methods? Give an example of synchronous and asynchronous web methods? How can we transform a synchronous web method to asynchronous web methods?

What is web cache? How a web cache work? Give an example of how a web cache can assist a web portal (considering any busy website, explain how caching can improve its performance)

What is a reasonable web hosting configuration? Draw/picture a typical configuration. Give any two reasons why is it a reasonable configurations?

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Explanation & Answer

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Running head: E-PORTALS DEVELOPMENT

E-portals development
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E-PORTALS DEVELOPMENT

Synchronous versus asynchronous

Synchronous API (application programming interface) call, there is a return of a value
identified from a database, internet when a function is requested. There is, however, a block
till the response is executed, where no other function can be requested until the reaction is
completed. On the other hand, asynchronous returns a promise when data is available, it will
continue with the processing request of that data. Hence, another request can be made as you
wait for the callback(Schwichtenberg, 2018). In a synchronous call, when updating records, it
is useful as when the request is made, the user interface is blocked till completion. However,
the asynchronous call is applicable if independent data is being processed. It is mostly
applied in the mobile application.

Transformation of synchronous to asynchronous

When converting the synchronous code, the basis...


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