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A significant issue faced by developers of any system is the size of the devices used...

A significant issue faced by developers of any system is the size of the devices used by their clients. Based on your understanding of the three-layer architecture, explain how developers can solve this issue.

Describe the tests that are conducted during the deployment stage.

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Expert Solution

Preventing issues faced with device size:

Three layer architecture comprises three layers viz. business, user interface, and data storage. The size of the device used by clients affects all these aspects. If there are any modifications required and device doesn't support that, it could create further issues in the development process.

To solve this issue, developers should make sure that the device is not extremely expensive and allows embedding of other required software. How it responds to frequently changing requirements should also be noted.

Tests conducted in deployment stage:

  • First off, developers are asked to create backups for stage environment and production environment.
  • The database is copied to stage environment from production environment.
  • While conducting the test, a code freeze is announced for the development team.
  • New features are retested and bugs are fixed.
  • Checklists are used to conduct smoke testing.
  • All the bugs are categorized with urgency metrics and reported.
  • Urgent bug and error fixes are tested.
  • Regression testing is conducted after bug fix functionality.
  • Deployment is announced after testing the stage if no bugs are found.

venereology answered 2 years ago
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