In software testing, what does a 'regression' refer to?

An old bug that has returned after a fix

What is the 'heap' in memory management?

A portion of memory used for dynamic memory allocation

Which of the following is NOT an advantage of using a Content Delivery Network (CDN)?

Complete protection against DDoS attacks

What is 'callback hell' in Node.js?

A situation where multiple callback functions are nested inside each other

What is 'lazy loading' in the context of web development?

A strategy for postponing initialization of an object until it is needed

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Developer CoP Quiz 03

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Answers

1
In software testing, what does a 'regression' refer to?
A slowdown in system performance
A severe bug causing system failure
A bug that was not detected before the software release
An old bug that has returned after a fix
2
What does the “L” in the SOLID principles stand for?
Liskov Segregation Principle
Large Object Principle
Loop Segregation Principle
Liskov Substitution Principle
3
Which pattern is responsible to create an object while making sure that only single object gets created?
Prototype
Adapter
Singleton
Builder
4
What is the 'heap' in memory management?
A portion of memory used for dynamic memory allocation
A portion of memory reserved for the operating system
A part of memory used for stack overflow
A data structure used to manage memory
5
Which of the following is NOT an advantage of using a Content Delivery Network (CDN)?
Complete protection against DDoS attacks
Improved website load times
Increased website security
Reduced bandwidth costs for website hosts
6
Which of the following is NOT a characteristic of microservices architecture?
Coupled services
Organized around business capabilities
Owned by a small team
Highly maintainable and testable
7
What is 'callback hell' in Node.js?
A technique for handling multiple requests simultaneously
A tool for managing asynchronous code execution
A situation where multiple callback functions are nested inside each other
A special kind of error in the Node.js runtime
8
What is 'lazy loading' in the context of web development?
Loading all the assets of a webpage before displaying it to the user
Loading webpage assets only as they are needed
Loading the less important parts of a webpage last
A strategy for postponing initialization of an object until it is needed
9
Which of these is NOT a type of Machine Learning?
Transient Learning
Supervised Learning
Unsupervised Learning
Semi-Supervised Learning
10
What does CORS stand for in web development?
Cross-Origin Resource Sharing
Custom Origin Resource Syntax
Cross-Origin Request Syntax
Cross-Object Request System

Developer CoP Quiz 03 Flashcards | StudBud