QuizApi - Laravel Advanced Problem-Solving Quiz

Question 1

Correct Answers: 1/4

Which approach consumes less memory when processing 100,000 records in Laravel?

Using get() to retrieve all records at once

Using a regular foreach loop

Using pagination

Using chunk() to process records in batches

Question 2

Correct Answers: 1/4

A Laravel application suddenly starts throwing memory errors in production. Which of these is most likely the cause?

The .env file is missing

Route caching is enabled

The application key is not set

Eager loading is not being used for N+1 queries

Question 3

Correct Answers: 1/4

Which code snippet would prevent race conditions when incrementing a counter in Laravel?

Counter::find($id)->increment('value')

DB::transaction(fn() => Counter::lockForUpdate()->find($id)->increment('value'))

Counter::where('id', $id)->increment('value')

DB::table('counters')->where('id', $id)->update(['value' => DB::raw('value + 1')])

Question 4

Correct Answers: 1/4

You notice your Laravel application's database queries are slow. Which command would help identify the problematic queries?

php artisan optimize

DB::enableQueryLog() followed by DB::getQueryLog()

php artisan cache:clear

php artisan debug:queries

Question 5

Correct Answers: 1/4

Your team is working on a Laravel project and needs to ensure consistent code style. Which combination of tools would be most effective?

Only PHPUnit for testing

Manual code review only

Just using an IDE's formatter

Laravel Pint and PHP_CodeSniffer with pre-commit hooks

Question 6

Correct Answers: 1/4

In a Laravel e-commerce application, which pattern would be most appropriate for handling complex order processing logic?

Putting all logic in the OrderController

Using multiple smaller controllers

Handling everything in the Order model

Using a dedicated Order service class with action classes for each operation

Question 7

Correct Answers: 1/4

Your Laravel application needs to process uploaded CSV files with 100,000+ rows. Which approach would be most efficient?

Process the entire file in one request

Create multiple controllers to handle the upload

Store the file and process it manually later

Queue a job that processes the file in chunks using Laravel's queue system

Question 8

Correct Answers: 1/4

Which approach would most effectively cache frequently accessed user preferences in a Laravel application?

Store them in the session

Query the database each time

Store them in cookies

Use Laravel's Cache facade with tags and remember() method

Question 9

Correct Answers: 1/4

During a deployment of your Laravel application, users report seeing mixed old and new content. What's the most likely cause?

Database connection issues

Server configuration problems

User browser caching

Cached views and route cache not being cleared during deployment

Question 10

Correct Answers: 1/4

Your Laravel application's tests are running slowly. Which change would most improve the test execution speed?

Adding more test cases

Running tests in random order

Adding more assertions

Using database transactions for tests and avoiding unnecessary trait includes

Question 11

Correct Answers: 1/4

In a high-traffic Laravel application, which caching strategy would be most effective for API responses?

No caching, always fetch fresh data

Store all responses in the database

Use file caching for responses

Cache responses with appropriate HTTP cache headers and Redis backend

Question 12

Correct Answers: 1/4

Which approach best handles file uploads in a Laravel application when users might upload large files?

Direct upload to server through form submission

Using FTP uploads

Storing files in the database

Chunked uploads with progress tracking and background processing

Question 13

Correct Answers: 1/4

What's the most secure way to handle user password resets in Laravel?

Send the current password via email

Allow users to choose any new password without verification

Store reset tokens in the session

Use Laravel's built-in password reset with time-limited signed URLs

Question 14

Correct Answers: 1/4

Your Laravel application needs to generate PDFs. Which approach would be most maintainable?

Generate HTML and convert using raw PHP

Use direct PDF library calls in controllers

Store pre-generated PDFs

Use a dedicated PDF service class with a wrapper around a PDF library

Question 15

Correct Answers: 1/4

In a Laravel application with multiple third-party service integrations, which design pattern would be most appropriate?

Direct API calls in controllers

Single service class for all integrations

Global helper functions

Adapter pattern with service interfaces and concrete implementations

Question 1

Which approach consumes less memory when processing 100,000 records in Laravel?

Question 2

A Laravel application suddenly starts throwing memory errors in production. Which of these is most likely the cause?

Question 3

Which code snippet would prevent race conditions when incrementing a counter in Laravel?

Question 4

You notice your Laravel application's database queries are slow. Which command would help identify the problematic queries?

Question 5

Your team is working on a Laravel project and needs to ensure consistent code style. Which combination of tools would be most effective?

Question 6

In a Laravel e-commerce application, which pattern would be most appropriate for handling complex order processing logic?

Question 7

Your Laravel application needs to process uploaded CSV files with 100,000+ rows. Which approach would be most efficient?

Question 8

Which approach would most effectively cache frequently accessed user preferences in a Laravel application?

Question 9

During a deployment of your Laravel application, users report seeing mixed old and new content. What's the most likely cause?

Question 10

Your Laravel application's tests are running slowly. Which change would most improve the test execution speed?

Question 11

In a high-traffic Laravel application, which caching strategy would be most effective for API responses?

Question 12

Which approach best handles file uploads in a Laravel application when users might upload large files?

Question 13

What's the most secure way to handle user password resets in Laravel?

Question 14

Your Laravel application needs to generate PDFs. Which approach would be most maintainable?

Question 15

In a Laravel application with multiple third-party service integrations, which design pattern would be most appropriate?

Finish Quiz