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IT Developer - Digital Skill Cup 2026

Digital Skills Cup 2026

Welcome to the Digital Skills Cup for IT Developer

Once you register with your name and email, the quiz starts immediately.
You have 5 minutes to complete the quiz.
No pauses. No switching between windows, no copy-pasting.
Scoring is based on the number of correct answers and the lower time to complete the quiz, in case of a tie.
Use a valid email address and your real name for registration.
You have 1 attempt.
Good luck :)

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Digital Skill Cup 2026 - IT Developer All

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Question 1

What are key characteristics of RESTful APIs?

Stateless communication

Tight coupling between client and server

Use of standard HTTP methods

Mandatory use of XML

Question 2

What does SQL stand for?

Simple Query Language

Structured Question Language

Structured Query Language

Sequential Query Language

Question 3

Which statement about APIs is true?

They store user data securely

They provide a way for applications to communicate

They compile code to machine language

They are only used in mobile apps

Question 4

In cloud-native application design, stateless services are preferred because they:

Store session data locally

Simplify horizontal scaling

Require more memory

Eliminate the need for databases

Question 5

In Git, which command is used to combine changes from one branch into another?

git fetch

git rebase

git merge

git clone

Question 6

Which statements about SQS message processing are true?

After a consumer receives a message, it becomes invisible for the duration of the visibility timeout.

If the consumer does not delete the message before the visibility timeout expires, the message can be delivered again.

The visibility timeout can be changed per message after receiving it (e.g., to extend processing time).

A Dead-Letter Queue (DLQ) receives messages immediately after the first failed receive attempt.

Question 7

Which of the following best describes a Monoid in functional programming?

A function that maps one type to another

An algebraic structure with an associative binary operation and an identity element

A data type that supports asynchronous operations

A design pattern for immutable data structures

Question 8

Which principles are part of SOLID design principles?

Single Responsibility Principle

Service Oriented Interface

Liskov Substitution Principle

Dependency Inversion Principle

Question 9

Which HTTP header is most commonly used to control how long a response can be cached by clients or proxies?

Content-Type

Cache-Control

Authorization

Accept-Encoding

Question 10

Which service is best fit for running short lived functions in response to S3 events without managing servers on AWS?

EC2

RDS

CloudFront

Lambda

Question 11

In Kubernetes, what is the role of a ConfigMap?

Manage secrets and encryption keys

Provide load balancing for services

Define CPU and memory limits

Store non-confidential configuration data

Question 12

Lambda expressions allow you to define anonymous functions in functional programming languages.

Yes

No

Question 13

Which HTTP method is typically used to update an existing resource?

GET

POST

PUT

DELETE

Question 14

What is the main purpose of the async and await keywords in C#?

Create multi-threaded applications

Simplify asynchronous code execution

Improve memory allocation

Force parallel execution

Question 15

Which AI technique is primarily used for predicting numerical values?

Classification

Regression

Clustering

Reinforcement Learning

Question 16

In Java, which keyword prevents a method from being overridden?

static

final

private

protected

Question 17

In a multithreaded application, what is the best way to protect a shared in memory counter from race conditions?

Using a constant variable for the counter

Using a mutex/lock around increments of the counter

Logging every increment to a file

Spawning a new thread for each increment

Question 18

What is the main advantage of using dependency injection in software design?

It reduces the need for unit testing

It makes classes more dependent on each other

It eliminates the need for interfaces

It promotes loose coupling between components

Question 19

In a microservices architecture, which pattern is most appropriate for decoupled, asynchronous communication between services?

Direct synchronous HTTP calls between all services

Shared database used by all services

Message broker with publish/subscribe or queues

Writing shared state to a local file system

Question 20

What is dependency injection mainly used for in .NET applications?

Improve performance

Reduce memory usage

Promote loose coupling and testability

Enforce inheritance

Quiz Results

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