DCA3241 ADVANCED WEB DESIGN

Description

SESSION	APRIL2025
PROGRAM	BACHELOR OF COMPUTER APPLICATIONS (BCA)
SEMESTER	VI
COURSE CODE & NAME	DCA3241

 

 

 

Set-I

 

Q1. Describe the XML tree structure and explain how elements are nested within each other. What are the common tools and validators used in XML programming? Mention at least three        10

Ans 1.

XML Tree Structure

The XML (eXtensible Markup Language) tree structure is a hierarchical representation of data that begins with a single root element and branches out into multiple child elements. XML data is organized as a tree with nested tags, making it both human-readable and machine-processable. The root node is the highest level, and every other element falls under this node in a parent-child relationship. Each element in

 

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Q2.a What is SOAP, and how is it related to XML and database 5        

2.b Write a simple AJAX code snippet to fetch data from a server and update a webpage without reloading it 5         

Ans 2.

SOAP and Its Relation to XML and Databases

SOAP

SOAP (Simple Object Access Protocol) is a protocol designed for exchanging structured information in web services over a network. It uses XML as its message format, ensuring platform independence and compatibility. SOAP allows programs running on different operating systems to communicate with each other via HTTP and XML-based messages.

SOAP and XML

SOAP is inherently tied to XML, as all SOAP messages are formatted using XML syntax. A SOAP message consists of

 

Q3. Explain how the MobiHealth application can use local storage for better user experience. 10     

Ans 3.

Use of Local Storage in the MobiHealth Application

Local Storage in Mobile Health Apps

Local storage in web and mobile applications refers to the capability of storing data locally on the user’s device, without relying on continuous internet connectivity. In the context of MobiHealth, a mobile application that offers remote health monitoring and services, the use of local storage can significantly enhance user experience, especially in areas with limited or intermittent connectivity.

Enhancing

 

Set-II

 

Q4. Discuss the new input types introduced in HTML5 and their significance 10        

Ans 4.

New Input Types in HTML5 and Their Significance

HTML5 Input Enhancements

HTML5 introduced a range of new input types in the <input> tag to enhance the functionality, usability, and validation of web forms. These new types allow browsers to present optimized interfaces and validation based on expected data formats, reducing the need for extensive JavaScript and improving user experience, particularly on mobile devices.

Common HTML5 Input

 

Q5. What is the difference between SSL and TLS, and why has TLS largely replaced SSL

Ans 5.

Difference Between SSL and TLS and the Transition

SSL and TLS

Secure Sockets Layer (SSL) and Transport Layer Security (TLS) are cryptographic protocols used to provide secure communication over a computer network. While both serve the same purpose of encrypting data exchanged between clients and servers, TLS is the successor to SSL and offers improved security features.

Understanding

 

 

Q6. What are the limitations of using HTML5 for mobile application development? How can these be mitigated?      10       

Ans 6.

Limitations of HTML5 for Mobile Application Development and Mitigation

HTML5 in Mobile App Development

HTML5 has been widely adopted for developing cross-platform mobile applications due to its ease of use, lower cost, and compatibility with multiple devices. However, it also comes with certain limitations that impact performance, native functionality, and user experience when compared to native