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Grade 12 Quizzes, Questions & Answers

Recent Grade 12 Quizzes

Token Based Authentication Basics Quiz

Questions: 15 | Attempts: 12 | Last updated: May 2, 2026

Sample Question
What is a token in the context of authentication?

A digital credential issued by a server to verify a user's identity

A physical card used only for cash transactions

A password reset link sent via email

A username combined with a PIN

React Native Architecture Basics Quiz

Questions: 15 | Attempts: 11 | Last updated: May 2, 2026

Sample Question
What is the primary purpose of the JavaScript bridge in React Native?

To connect JavaScript code with native platform APIs

To compile JavaScript into machine code

To manage CSS styling for components

To handle user authentication

Laravel Framework Basics Quiz

Questions: 15 | Attempts: 10 | Last updated: May 2, 2026

Sample Question
What is the primary purpose of Laravel's routing system?

To define how HTTP requests are handled and mapped to controllers

To manage database connections and queries

To encrypt user passwords and sensitive data

To validate form inputs before submission

Angular Framework Basics Quiz

Questions: 15 | Attempts: 10 | Last updated: May 2, 2026

Sample Question
What is the primary purpose of a component in Angular?

To manage application routing and navigation

To encapsulate a reusable piece of UI with its own logic and template

To provide HTTP communication services

To store global application data

iOS Development Basics Quiz

Questions: 15 | Attempts: 10 | Last updated: May 2, 2026

Sample Question
What is the primary programming language used for modern iOS app development?

Swift

Objective-C

Java

C++

Mobile First Design Principles Quiz

Questions: 15 | Attempts: 11 | Last updated: May 2, 2026

Sample Question
What is the core principle of mobile-first design?

Design for desktop first, then adapt to mobile

Design for mobile first, then enhance for larger screens

Design for tablets as the primary device

Design all screen sizes simultaneously without priority

Referential Integrity Basics Quiz

Questions: 15 | Attempts: 10 | Last updated: May 2, 2026

Sample Question
What is referential integrity in a relational database?

A rule ensuring foreign key values match primary key values in related tables

A backup system that copies data across servers

The process of encrypting sensitive database information

A method for organizing table columns alphabetically

Data Streaming Basics Quiz

Questions: 15 | Attempts: 10 | Last updated: May 2, 2026

Sample Question
What is the primary difference between batch processing and stream processing?

Batch processes data in chunks over time; stream processes data continuously in real-time

Batch is faster; stream is slower

Batch uses databases; stream uses APIs

Batch handles small data; stream handles large data

Fact and Dimension Tables Quiz

Questions: 15 | Attempts: 11 | Last updated: May 2, 2026

Sample Question
What is the primary purpose of a fact table in a data warehouse?

Store numerical measures and transaction data

Define business rules and constraints

Archive historical records

Manage user access permissions

Execution Plan Operators Quiz

Questions: 15 | Attempts: 17 | Last updated: May 2, 2026

Sample Question
What does a Sequential Scan operator do in an execution plan?

Reads all rows from a table in order

Reads only indexed rows

Skips rows based on conditions

Sorts rows before reading

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