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EDITx is an open IT Library of questions to share and gain knowledge. Become an EDITx author because you care: share your knowledge to fit everyone benefit with a quality IT education.

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As contributor of the IT library, you allow others to use your questions, in the same way you can make use of theirs. Nevertheless, you keep the intellectual property on your work and will be notified any time that an author is using your questions or when someone answers your questions. Moreover, your privileged status allows you to set up private and public tests, to share your questions with your students, friends, colleagues or acquaintances and to get the results in real time.

... is what you give !

To become an EDITx Author, you just need to set up 5 QCM questions, in the field of your choice, and indicate the right answer. If your questions allows a better "Education in IT for X", you will receive the status and advantages of an EDITx Author.

Post date Author Category Body Stats
21.08.2019
Vladimir Dejanovic
Founder & Chairman of Amsterdam Java User Group - IT Manager / Chapter Lead at ING
Java

Which of these are implementations of singleton ? Select all that apply.

374 answers
86 good - 288 bad
 
21.08.2019
Michiel Wouters
.Net Consultant at Ordina Belgium
.NET

Which of the following Unit Tests will not pass?

698 answers
455 good - 243 bad
 
01.10.2019
Gilles Meyer
Freelance AI consultant at GMind analytics
Machine Learning .NET

What is the code used to train the machine learning model (with regression) : 

773 answers
386 good - 387 bad
 
11.06.2020
Maarten Tibau
Freelance Software Engineer at Webtrix
Angular

What is the correct order of these lifecycle hooks in Angular?

613 answers
414 good - 199 bad
 
21.08.2019
Pierre Bettens
IT Teacher - Maitre-Assistant at ESI
Java

What is the output of this code:

326 answers
154 good - 172 bad
 
17.01.2020
Öykü Isik
Professor of Information Systems Management at Vlerick Business School
IT Project Management

The Waterfall model …

441 answers
311 good - 130 bad
 
21.08.2019
Geoffrey Vandiest
Chief Technical Architect Gas Flow Management at Fluxys
.NET

What will be the output when executing this code:

85 answers
38 good - 47 bad
 
21.08.2019
Ernesto Hernández
Senior Java Software Engineer at Fintonic
Java

How many times is "tracked" printed?

358 answers
121 good - 237 bad
 
11.09.2019
Marc Sevaux
AWK AND SHELL COMMANDS

%> cat data.csv
04.07,125.,4.4,97.7,31.1,052
04.11,124.,4.7,109.8,31.8,051...

900 answers
869 good - 31 bad
 
21.08.2019
Michael Hunger
Head of Developer Relations at Neo4j
Java

Java 5 introduced the notion of co-variant return types for subclasses/implementing classes.

873 answers
298 good - 575 bad
 
20.01.2020
Öykü Isik
Professor of Information Systems Management at Vlerick Business School
Enterprise IT Governance

Which of the following is NOT a maturity level in the COBIT 5 framework?

273 answers
39 good - 234 bad
 
25.11.2019
Raul Martinez
.Net technologies expert at RMMΛConsulting
.NET

What is/are the minimum requirement(s) to build and run a .Net Core app?

525 answers
81 good - 444 bad
 
17.10.2019
Damien Molot
Ingénieur d'études at SoftFluent
.NET

What is the number shown in the console :

92 answers
29 good - 63 bad
 
21.08.2019
Benoit Donnet
Associate Professor at Université de Liège
C

Sachant que a, b, et x sont des variables de type int, lequel des fragments de code suivant...

796 answers
443 good - 353 bad
 
21.08.2019
Thierry Leriche-Dessirier
Architecte, Développeur full stack, Rédacteur pour Developpez.com, Concepteur profil4.com & Professeur de Génie Logiciel at Société Générale
Java

What does it print ?

252 answers
157 good - 95 bad
 
21.08.2019
Andra_Mertilos
IT Analyst at Intys Consulting
Digital Transformation Fundamentals

Which of the following aspects of a firm's business strategy can be affected by a digital...

605 answers
273 good - 332 bad
 
21.08.2019
Carole Dembour
Advisor - Economics at FEB
Excel

You want to know the quantity that should have been sold on January the 5th in order to reach a...

68 answers
36 good - 32 bad
 
21.08.2019
Suzanne Kieffer
Research Associate at Université Catholique de Louvain
Database

In relational databases, foreign key (FK), represents a column or multiple columns that :

69 answers
23 good - 46 bad
 
21.08.2019
Sébastien Combéfis
Lecturer at ECAM
IT Student

How many keys are used to exchange messages between two persons using an asymetric ciphering...

89 answers
26 good - 63 bad
 
09.09.2019
Sylvain Le Gouellec
Expert Technique Junior .NET at CGI
.NET

Que fait ce programme ?
class Program
{
interface B

852 answers
251 good - 601 bad
 
21.08.2019
Rodrigo Manzanares
Embedded SW Engineer at Dekimo Experts
C/C++

Function parameters and local variables are stored in the memory section:

92 answers
44 good - 48 bad
 
26.03.2018
Sébastien Combéfis
Lecturer at ECAM
Bebras

Om het park net te houden, doet Boris Bever elke ochtend zijn route.

768 answers
677 good - 91 bad
 
21.08.2019
Bo Vandersteene_1
Owner at Reibo
Angular

*ngFor on (large) lists in Angular can be tweaked, but how?

361 answers
76 good - 285 bad
 
21.08.2019
Geoffrey Vandiest
Chief Technical Architect Gas Flow Management at Fluxys
DevOps

In PowerShell DSC, what is the file extension of the configuration document that is applied by...

190 answers
113 good - 77 bad
 
21.08.2019
Pierre-Emmanuel Dautreppe
.Net Evangelist and Agile Coach at Pyxis Belgium
.NET

You have defined a class as follows :

68 answers
34 good - 34 bad
 
21.08.2019
Kwinten Pisman
Founder and coach at Strongbrew at TVH
Angular

Giving the following pipe:

257 answers
111 good - 146 bad
 
11.06.2020
Majid Hajian
Senior Software Developer at Telia Norge
Angular

How can you communicate to an Angular service worker in development mode?

499 answers
382 good - 117 bad
 
26.03.2018
Sébastien Combéfis
Lecturer at ECAM
Bebras

Kim et Wim jouent à un jeu sur un plateau de 4 cases sur 4.

322 answers
61 good - 261 bad
 
21.08.2019
Fabian Vilers
Software Craftsman at Dev One
.NET

What could an ASP.NET MVC controller derive from?

257 answers
33 good - 224 bad
 
21.08.2019
Frédéric Hubin
Senior Java Architect at ING Belgium
Java

The

cause

parameter in the

231 answers
147 good - 84 bad