4 simple e-portal questions

Question One

The diagram below shows LINQ to SQL database update operation. Explain the steps of executing the operation in your own words?

Question Two

Explain the process of cleanup operation in Ajax web portal and why it is important?

Question Three

Explain why using client-side widgets may create a slow loading web site or a completely nonresponsive web site.

Question Four

Explain why the use of widget skeleton and loading progress message can improve the perceived speed of page load.

Assignment 2

[Total Mark for this Assignment is 4]

E-Portals Development

IT405

Instructions:

This Assignment must be submitted on Blackboard via the allocated folder.

Email submission will not be accepted.

You are advised to make your work clear and well-presented, marks may be reduced for poor presentation.

You MUST show all your work.

Late submission will result in ZERO marks being awarded.

The work should be your own, copying from students or other resources will result in ZERO marks.

Use Times New Roman font for all your answers.

Student Details:

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1 Mark

Learning Outcome(s):

Understanding LINQ to SQL features

1 Marks

Learning Outcome(s):

Identify inactive user and related data

1 Mark

Learning Outcome(s):

Recognize content proxy web services

1 Mark

Learning Outcome(s):

Understand different types of widget loading