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質問 # 44
In Node.js, what is the main advantage of using asynchronous operations?
- A. They automatically optimize memory usage.
- B. They make code execution faster.
- C. They allow the Node.js server to handle multiple requests simultaneously.
- D. They enforce strong typing in JavaScript.
正解：C
質問 # 45
How can you access query parameters in an Express.js route handler?
- A. req.url
- B. req.body
- C. req.params
- D. req.query
正解：D
質問 # 46
What is the primary use of an <iframe> in HTML?
- A. To link to external JavaScript files
- B. To display a section of another webpage within the current page
- C. To create a nested browsing context within an HTML page
- D. Both To create a nested browsing context within an HTML page and To display a section of another webpage within the current page
正解：D
質問 # 47
What is the function of character encoding in HTML?
- A. To define the character set used for the document, such as UTF-8
- B. To compress the HTML document
- C. To specify the document's language
- D. To add special effects to text
正解：A
質問 # 48
In Express.js, how do you send a static file as a response to a client request?
- A. res.sendFile(filepath)
- B. res.static(filepath)
- C. res.render(filepath)
- D. res.redirect(filepath)
正解：A
質問 # 49
What is the purpose of using em or rem units in CSS?
- A. To create fixed-size layouts
- B. To specify the opacity of an element
- C. To define colors
- D. To provide relative sizing based on current or root element's font size
正解：D
質問 # 50
When establishing a database connection in NodeJS, which module is commonly used for MySQL?
- A. db-mysql
- B. sqlconnect
- C. mysql
- D. mongodb
正解：C
質問 # 51
What distinguishes an application server from a web server?
- A. An application server provides business logic for an application
- B. An application server is responsible for handling database queries
- C. An application server only serves static content
- D. An application server can only handle HTTP requests
正解：A
質問 # 52
What is the primary purpose of an API in web development?
- A. To enable communication between different software components
- B. To increase the processing speed of the application
- C. To encrypt data transmissions
- D. To provide a graphical interface for users
正解：A
質問 # 53
In Node.js, which function is used to include built-in modules?
- A. import()
- B. require()
- C. include()
- D. getModule()
正解：B
質問 # 54
To update data in a table, which SQL command should be used?
- A. UPDATE
- B. ALTER
- C. MODIFY
- D. CHANGE
正解：A
質問 # 55
In CSS, what is the difference between the margin and padding properties?
- A. margin and padding have no differences.
- B. padding is used for text alignment, whereas margin is used for element positioning.
- C. margin controls the space inside an element, while padding controls the space outside.
- D. margin controls the space outside an element, while padding controls the space inside.
正解：D
質問 # 56
Which CSS property is used to set the space between the borders of adjacent elements?
- A. border-spacing
- B. padding
- C. margin
- D. spacing
正解：C
質問 # 57
What is the primary use of the Node Package Manager (NPM)?
- A. To create new Node.js modules from scratch
- B. To compile Node.js applications
- C. To update the Node.js engine
- D. To manage packages and dependencies in a Node.js project
正解：D
質問 # 58
In Express.js, how are EJS templates rendered?
- A. res.ejs(templateName, data)
- B. res.render(templateName, data)
- C. res.send(templateName, data)
- D. res.template(templateName, data)
正解：B
質問 # 59
What is the primary goal of responsive web design?
- A. To make websites load faster
- B. To ensure websites work well on a variety of devices and window or screen sizes
- C. To ensure websites look the same on all devices
- D. To create a visually attractive design
正解：B
質問 # 60
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