Fourth Semester · BCA 255

Web Technology-II Notes

A dedicated BCA World study page for this subject, aligned to the TU BCA 2025 curriculum units.

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BCA 255 · Web Technology-II

3 credits · 5 curriculum units · Fourth Semester

How to study this subject

For each unit, learn the definition, understand the process, practise one example, and finish by explaining the concept in your own words. Use the model questions after completing the unit notes.

Unit-by-unit notes

Server-side web concepts, routing, sessions, and templates

Revise the definition, components, workflow, common examples, and practical use of server-side web concepts, routing, sessions, and templates. Relate it to a small problem or case study from Web Technology-II.

Define the key terms and identify the main components.
Draw or describe the workflow, architecture, formula, or process where relevant.
Connect the idea to a practical BCA example and revise common advantages or limitations.

Web application architecture, APIs, and database integration

Revise the definition, components, workflow, common examples, and practical use of web application architecture, apis, and database integration. Relate it to a small problem or case study from Web Technology-II.

Define the key terms and identify the main components.
Draw or describe the workflow, architecture, formula, or process where relevant.
Connect the idea to a practical BCA example and revise common advantages or limitations.

Authentication, authorisation, validation, and secure coding

Revise the definition, components, workflow, common examples, and practical use of authentication, authorisation, validation, and secure coding. Relate it to a small problem or case study from Web Technology-II.

Define the key terms and identify the main components.
Draw or describe the workflow, architecture, formula, or process where relevant.
Connect the idea to a practical BCA example and revise common advantages or limitations.

Asynchronous services, deployment, caching, and performance

Revise the definition, components, workflow, common examples, and practical use of asynchronous services, deployment, caching, and performance. Relate it to a small problem or case study from Web Technology-II.

Define the key terms and identify the main components.
Draw or describe the workflow, architecture, formula, or process where relevant.
Connect the idea to a practical BCA example and revise common advantages or limitations.

Testing, accessibility, maintainability, and full-stack project work

Revise the definition, components, workflow, common examples, and practical use of testing, accessibility, maintainability, and full-stack project work. Relate it to a small problem or case study from Web Technology-II.

Define the key terms and identify the main components.
Draw or describe the workflow, architecture, formula, or process where relevant.
Connect the idea to a practical BCA example and revise common advantages or limitations.

Model questions for BCA 255

Short answerDefine server-side web concepts, routing, sessions, and templates and mention two important uses.

Define server-side web concepts, routing, sessions, and templates and mention two important uses. Answer using a definition, structured explanation, relevant example, and conclusion.

Long answerExplain web application architecture, apis, and database integration with a suitable diagram, example, or step-by-step method.

Explain web application architecture, apis, and database integration with a suitable diagram, example, or step-by-step method. Answer using a definition, structured explanation, relevant example, and conclusion.

Practical / applicationApply authentication, authorisation, validation, and secure coding to solve a small Web Technology-II problem. State your assumptions and conclusion.

Apply authentication, authorisation, validation, and secure coding to solve a small Web Technology-II problem. State your assumptions and conclusion. Answer using a definition, structured explanation, relevant example, and conclusion.