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IT Developer Quiz

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IT Developer

1 / 20

Question 1

What is the main purpose of CSS in web development?

To structure the content

To style the content

To add interactivity

To manage databases

Question 2

Which of the following is the best practice for writing clean and readable Python code?

Use single-letter variable names to make code concise

Write all code in a single function to avoid unnecessary imports

Follow PEP 8 guidelines for consistent formatting and readability

Avoid using comments to make code shorter

Question 3

What is the main purpose of an IDE?

To compile code

To edit text files

To provide a development environment

To manage databases

Question 4

In languages like C++, which type of memory allocation requires explicit deallocation by the programmer?

Static Memory

Heap Memory

Stack Memory

Shared Memory

Question 5

Which of the components of the Microsoft 365 platform is used to deliver data external to Azure into Microsoft Graph services and applications?

Microsoft Graph API

Microsoft Graph connectors

Microsoft Graph Data Connect

Microsoft Authentication Library

Question 6

Which of the following terms describes a key principle of object-oriented programming?

Normalization

Inheritance

Compilation

Parsing

Question 7

What is the primary purpose of the Dependency Injection pattern?

To reduce coupling by providing dependencies from an external source

To enable polymorphism in object-oriented programming

To handle asynchronous programming

To create singletons in a program

Question 8

Which of the following best describes Continuous Integration (CI)?

The practice of merging code changes into a central repository frequently, usually several times a day, and validating each change with an automated build and test

The process of deploying code to a production environment

The method of integrating third-party libraries into a project

The practice of manual testing to catch bugs

Question 9

What is the best way to handle an exception in Python?

Use try and except blocks to catch and handle exceptions

Ignore errors and let the program crash

Use assert statements instead of exception handling

Wrap every line of code in a try-except block

Question 10

Which Git command is used to create a new branch in a project?

git commit -m new branch

git checkout new-branch

git branch new-branch

git clone new-branch

Question 11

Which of the following choices is a benefit of infrastructure as code?

Treats infrastructure as a flexible resource that can be provisioned, de-provisioned, and reprovisioned as and when needed

Uses mutable service processes

Manual scale-up and scale-out

Automatic scale-up and scale-out

Question 12

Which HTTP method is idempotent and should not have side effects on the server?

POST

GET

DELETE

PUT

Question 13

In Java, what is the main difference between a HashMap and a ConcurrentHashMap?

HashMap allows null keys while ConcurrentHashMap does not

ConcurrentHashMap provides thread-safe operations

HashMap uses a linked list internally, while ConcurrentHashMap uses a binary tree

ConcurrentHashMap supports weak references while HashMap does not

Question 14

What is the main purpose of a microservices architecture?

To create a single, large monolithic application

To break an application into smaller, independent services

To improve the security of an application

To replace databases

Question 15

In the context of version control systems, what is a “fork”?

An irreversible copy of a repository

A scheduled backup of a repository

A private branch for testing purposes

A personal copy of someone else's repository

Question 16

In a microservices architecture, what is the purpose of the Saga pattern?

To enable distributed transactions

To handle retries in message queues

To improve database normalization

To load balance API requests

Question 17

Which keyword is used to define a class in Python?

class

define

function

object

Question 18

What is the result of the following Java program? import java.util.*; public class Main { public static void main(String[] args) { Set set = new HashSet(); set.add(""A""); set.add(""B""); set.add(""A""); System.out.println(set.size()); } }

1

2

3

0

Question 19

What is the primary use of Docker in development?

To provide continuous integration services

To containerize applications for consistent environments

To automate repetitive coding tasks

To simulate user interactions in testing

Question 20

Which language is primarily used for web development?

Python

JavaScript

C++

Swift

Quiz Results

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