Verified 030-100 dumps Q&As - Pass Guarantee or Full Refund [May-2025]
030-100 PDF Dumps | May 05, 2025 Recently Updated Questions
NEW QUESTION # 33
What is the purpose of the display property in CSS?
- A. To define how an element is displayed in the document flow
- B. To control the color of an element
- C. To add animations to the element
- D. To specify the character encoding of the text
Answer: A
NEW QUESTION # 34
In SQL, which command is used to add new data to a table?
- A. UPDATE
- B. ADD NEW
- C. INSERT INTO
- D. CREATE
Answer: C
NEW QUESTION # 35
What is the primary feature of a Single-Page Application (SPA)?
- A. It cannot integrate with APIs
- B. It dynamically updates the current page without reloading
- C. It is used only for mobile applications
- D. It reloads the entire page for every user interaction
Answer: B
NEW QUESTION # 36
In NodeJS, how do you typically retrieve data from a MySQL database?
- A. Using the http.get method
- B. By executing a SELECT query with the mysql module
- C. Through direct file reading methods
- D. Using the fetch API
Answer: B
NEW QUESTION # 37
What is the primary role of HTTPS and TLS in web communications?
- A. To compress data to reduce bandwidth usage
- B. To increase the speed of data transfer
- C. To secure communications between client and server
- D. To convert static content to dynamic content
Answer: C
NEW QUESTION # 38
In the context of HTML forms, what is the purpose of the action attribute?
- A. It sets the value of the submit button.
- B. It specifies the type of action to be performed when the form is submitted.
- C. It defines the URL to which the form data will be sent.
- D. It determines the method used to send form data.
Answer: C
NEW QUESTION # 39
What is the purpose of meta tags in an HTML document?
- A. To add interactive elements to the page
- B. To provide metadata about the HTML document
- C. To link external JavaScript files
- D. To define the main content of the page
Answer: B
NEW QUESTION # 40
What is the main purpose of WebAssembly in the context of web application development?
- A. To increase the execution speed of client-side scripts
- B. To handle email services in web applications
- C. To manage server-side databases
- D. To create complex SQL queries
Answer: A
NEW QUESTION # 41
In HTML, what is the purpose of the alt attribute in an <img> tag?
- A. To change the image source
- B. To apply styles to the image
- C. To provide a text alternative for the image
- D. To specify a secondary image
Answer: C
NEW QUESTION # 42
In Node.js, what is the main advantage of using asynchronous operations?
- A. They allow the Node.js server to handle multiple requests simultaneously.
- B. They enforce strong typing in JavaScript.
- C. They make code execution faster.
- D. They automatically optimize memory usage.
Answer: A
NEW QUESTION # 43
How do you execute an SQL query in a NodeJS application?
- A. With the runQuery() function
- B. Using the execute() method of the database connection object
- C. Using the query() method of the database connection object
- D. By invoking the sql.execute() function
Answer: C
NEW QUESTION # 44
When establishing a database connection in NodeJS, which module is commonly used for MySQL?
- A. db-mysql
- B. mysql
- C. mongodb
- D. sqlconnect
Answer: B
NEW QUESTION # 45
Which of the following file formats supports transparency?
- A. PNG
- B. Both PNG and SVG
- C. JPEG
- D. SVG
Answer: B
NEW QUESTION # 46
What is the primary use of an <iframe> in HTML?
- A. Both To create a nested browsing context within an HTML page and To display a section of another webpage within the current page
- B. To link to external JavaScript files
- C. To create a nested browsing context within an HTML page
- D. To display a section of another webpage within the current page
Answer: A
NEW QUESTION # 47
Which of the following are valid input types in HTML? (Choose two)
- A. upload
- B. date
- C. file
- D. image
Answer: B,C
NEW QUESTION # 48
What is the primary use of the Node Package Manager (NPM)?
- A. To update the Node.js engine
- B. To compile Node.js applications
- C. To create new Node.js modules from scratch
- D. To manage packages and dependencies in a Node.js project
Answer: D
NEW QUESTION # 49
Which of the following are common web development technologies and standards? (Choose two)
- A. HTML/CSS
- B. Bluetooth communication
- C. PCIe interface
- D. JavaScript
Answer: A
NEW QUESTION # 50
What is a primary key in an SQL database?
- A. The main field used for joining tables
- B. The highest value in a table
- C. A unique identifier for each row in a table
- D. A password to access the database
Answer: C
NEW QUESTION # 51
What is the correct HTML element for inserting a line break?
- A. <break>
- B. <br>
- C. <lb>
- D. <linebreak>
Answer: B
NEW QUESTION # 52
In CSS, what are media queries primarily used for?
- A. To automatically play media files on a webpage
- B. To query and retrieve media files from the server
- C. To create different styles for different media types and screen sizes
- D. To add media content like video and audio
Answer: C
NEW QUESTION # 53
What is the function of character encoding in HTML?
- A. To add special effects to text
- B. To compress the HTML document
- C. To specify the document's language
- D. To define the character set used for the document, such as UTF-8
Answer: D
NEW QUESTION # 54
In programming, what is a library?
- A. A protocol for transferring source code over the internet
- B. An IDE feature that helps in debugging code
- C. A collection of precompiled routines that a program can use
- D. A tool for version control
Answer: C
NEW QUESTION # 55
What is the purpose of web sockets in the context of HTTP?
- A. To render graphical content in the browser
- B. To enable real-time bidirectional communication between client and server
- C. To store large files on the server
- D. To increase the loading time of web pages
Answer: B
NEW QUESTION # 56
What is source code in the context of software development?
- A. A compiled version of a program ready to be executed
- B. A specialized language used only for web development
- C. The original code written by a programmer in a high-level language
- D. The output produced after a program is executed
Answer: C
NEW QUESTION # 57
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030-100 Practice Test Questions Answers Updated 85 Questions: https://drive.google.com/open?id=1FF7VDAcRgbXwpPgt_UH1EewO6US-Pqp2
