D277 ITSW 2131
Front End Web Development
Final Assessment (Qns & Ans)
2025
General Instructions
1. Read All Questions Carefully: Make sure you understand each question.
2. Time Management: You have a specific amount of time to complete the exam.
Keep an eye on the clock and pace yourself.
3. Allowed Materials: Only use materials that are explicitly allowed. Unauthorized
materials can lead to disqualification.
4. ANS Format: Follow the required format for your ANS. For example, multiple-
choice questions might need you to select the best ANS, while essay questions
require detailed responses.
5. Academic Integrity: Adhere to the university's honor code. Any form of cheating or
plagiarism is strictly prohibited.
6. Technical Requirements: Ensure your computer and internet connection are
stable. For online exams, you might need a webcam and microphone for proctoring
purposes.
7. Submission: Submit your ANS before the time expires. Late submissions might
not be accepted.
©2024/2025
,1. Which of the following is a purpose of using CSS
preprocessors like SASS or LESS?
- A) To reduce server load
- B) To enable variables and functions in CSS
- C) To increase download speed
- D) To create responsive designs
ANS: B
Rationale: CSS preprocessors allow the use of variables,
nesting, mixins, and functions, making CSS more powerful and
maintainable.
2. What is the primary purpose of React's Virtual DOM?
- A) To improve SEO
- B) To manipulate DOM elements directly
- C) To optimize rendering operations
- D) To allow server-side rendering
ANS: C
Rationale: The Virtual DOM enhances performance by
minimizing direct manipulation of the actual DOM, allowing
React to update only the parts that have changed.
©2024/2025
, 3. Which of the following JavaScript features allows you to
handle asynchronous operations?
- A) var
- B) Promise
- C) Int
- D) Array
ANS: B
Rationale: Promises in JavaScript provide a way to handle
asynchronous operations, enabling a cleaner syntax compared to
callbacks.
4. In which of the following scenarios is the use of a Service
Worker most beneficial?
- A) Reducing band usage
- B) Implementing WebSocket connections
- C) Building Single Page Applications
- D) Caching resources for offline access
ANS: D
Rationale: Service Workers are primarily used for
intercepting network requests and managing caching, making
offline web applications possible.
©2024/2025
Front End Web Development
Final Assessment (Qns & Ans)
2025
General Instructions
1. Read All Questions Carefully: Make sure you understand each question.
2. Time Management: You have a specific amount of time to complete the exam.
Keep an eye on the clock and pace yourself.
3. Allowed Materials: Only use materials that are explicitly allowed. Unauthorized
materials can lead to disqualification.
4. ANS Format: Follow the required format for your ANS. For example, multiple-
choice questions might need you to select the best ANS, while essay questions
require detailed responses.
5. Academic Integrity: Adhere to the university's honor code. Any form of cheating or
plagiarism is strictly prohibited.
6. Technical Requirements: Ensure your computer and internet connection are
stable. For online exams, you might need a webcam and microphone for proctoring
purposes.
7. Submission: Submit your ANS before the time expires. Late submissions might
not be accepted.
©2024/2025
,1. Which of the following is a purpose of using CSS
preprocessors like SASS or LESS?
- A) To reduce server load
- B) To enable variables and functions in CSS
- C) To increase download speed
- D) To create responsive designs
ANS: B
Rationale: CSS preprocessors allow the use of variables,
nesting, mixins, and functions, making CSS more powerful and
maintainable.
2. What is the primary purpose of React's Virtual DOM?
- A) To improve SEO
- B) To manipulate DOM elements directly
- C) To optimize rendering operations
- D) To allow server-side rendering
ANS: C
Rationale: The Virtual DOM enhances performance by
minimizing direct manipulation of the actual DOM, allowing
React to update only the parts that have changed.
©2024/2025
, 3. Which of the following JavaScript features allows you to
handle asynchronous operations?
- A) var
- B) Promise
- C) Int
- D) Array
ANS: B
Rationale: Promises in JavaScript provide a way to handle
asynchronous operations, enabling a cleaner syntax compared to
callbacks.
4. In which of the following scenarios is the use of a Service
Worker most beneficial?
- A) Reducing band usage
- B) Implementing WebSocket connections
- C) Building Single Page Applications
- D) Caching resources for offline access
ANS: D
Rationale: Service Workers are primarily used for
intercepting network requests and managing caching, making
offline web applications possible.
©2024/2025
