030-100 exam

What is the primary purpose of an API in web development?A . To increase the processing speed of the applicationB . To enable communication between different software componentsC . To encrypt data transmissionsD . To provide a graphical interface for usersView AnswerAnswer: B

What are essential features of source code editors and Integrated Development Environments (IDEs)? (Choose two)A . Ability to compile and execute codeB . Built-in web browser for testing web applicationsC . Syntax highlighting and code completionD . Network monitoring for security analysisView AnswerAnswer: AC

What is the primary role of the WHERE clause in an SQL query?A . To specify which table to select or delete data fromB . To define the conditions that must be met for rows to be included in the result setC . To join multiple tablesD . To limit...

In Node.js, which function is used to include built-in modules?A . include()B . require()C . import()D . getModule()View AnswerAnswer: B

What is the primary role of HTTPS and TLS in web communications?A . To compress data to reduce bandwidth usageB . To secure communications between client and serverC . To increase the speed of data transferD . To convert static content to dynamic contentView AnswerAnswer: B

In CSS, what is the difference between the margin and padding properties?A . margin controls the space inside an element, while padding controls the space outside.B . margin and padding have no differences.C . margin controls the space outside an element, while padding controls the space inside.D . padding is...

Which of the following file formats supports transparency?A . JPEGB . PNGC . SVGD . Both PNG and SVGView AnswerAnswer: D

Which of the following are true about compilers and interpreters? (Choose two)A . Compilers convert source code into machine code before runtime.B . Interpreters execute the source code line by line during runtime.C . Compilers are used to enhance the security of a source code.D . Interpreters translate the entire...

Which units are commonly used in CSS for responsive design? (Choose two)A . Pixels (px)B . Centimeters (cm)C . Relative units (em, rem, vw, vh)D . Kilograms (kg)View AnswerAnswer: AC

In the context of web application architecture, what is the primary function of a web server?A . To store client data persistentlyB . To host web applications and handle HTTP requestsC . To render web pages on the client sideD . To provide dynamic IP addressing for clientsView AnswerAnswer: B