030-100 exam

How are HTTP URLs typically mapped to file system paths on a web server?A . Through the server's firewall settingsB . By using the Domain Name System (DNS)C . According to the server's directory structure and configuration filesD . By encrypting the URL into a file pathView AnswerAnswer: C

What is the correct syntax for a CSS rule?A . selector { property = value; }B . selector { property : value }C . selector -> { property : value; }D . { selector : property = value; }View AnswerAnswer: B

In SQL, what is the function of the LIMIT clause?A . To restrict the number of rows returned by a queryB . To specify the join conditions between tablesC . To sort the result set in ascending or descending orderD . To group rows that have the same values in...

What is the primary role of HTML in web development?A . To create the structure and content of a web pageB . To style and layout web pagesC . To add dynamic functionalities to web pagesD . To manage the database of a websiteView AnswerAnswer: A

How do you execute an SQL query in a NodeJS application?A . Using the execute() method of the database connection objectB . With the runQuery() functionC . By invoking the sql.execute() functionD . Using the query() method of the database connection objectView AnswerAnswer: D

For embedding audio files in HTML, which of the following elements is appropriate?A . <img>B . <audio>C . <video>D . <iframe>View AnswerAnswer: B

In CSS, what are media queries primarily used for?A . To add media content like video and audioB . To create different styles for different media types and screen sizesC . To query and retrieve media files from the serverD . To automatically play media files on a webpageView AnswerAnswer:...

When adding an image to an HTML document, which attribute is essential for accessibility?A . srcB . altC . titleD . hrefView AnswerAnswer: B

Which HTTP status codes indicate success and client error? (Choose two)A . 200B . 404C . 500D . 302View AnswerAnswer: AB

Which of the following are roles of web browsers? (Choose two)A . Executing JavaScript codeB . Storing cookies for user authenticationC . Hosting web applicationsD . Compiling high-level code into machine codeView AnswerAnswer: AB