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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.

What you get...

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
Louis J. Mercken
Chairman of the Challenge Jury, Co-Founder Threon, Currently Senior Advisor to the Threon CEO & Board of Directors at Threon
Project Management

A project manager is trying to convince management to use more formal project management...

276 answers
126 good - 150 bad
Lars Knipping
Professor at Berlin Institute of Technology & CTO at Snaptrust

What is the printed by the following code?

89 answers
28 good - 61 bad
Fabian Vilers
Software Craftsman at Dev One

How would you define an indexer definition on an interface type?

107 answers
39 good - 68 bad
Daniel Penninck
Co-Founder & advisor at

Assuming that the code bellow compile. What will be the console output ?

468 answers
211 good - 257 bad
Rodrigo Manzanares
Embedded SW Engineer at Dekimo Experts

After declaring this structure:

54 answers
20 good - 34 bad
Sam Vloeberghs
Freelance Full Stack Software Engineer & Architect at Kwerri

Reactive forms are known for

529 answers
384 good - 145 bad
Geoffrey Vandiest
Chief Technical Architect Gas Flow Management at Fluxys

What is the correct statement about an enumeration?

215 answers
98 good - 117 bad
Christophe Peerens
Microsoft Technical Advisor at Neomytic

Which utility can be used to compile managed assemblies (like Dll’s and EXE) into native code?...

75 answers
31 good - 44 bad
Gregoire Mathonet
Engineering Lead at LuxTrust S.A.

Which constructor signature exists on PrintWriter but not on BufferedReader?

140 answers
92 good - 48 bad
Sébastien Combéfis
Lecturer at ECAM

Une puce est composée d’une grille de contacts (représentés par des points).

812 answers
172 good - 640 bad
Olivier Matis

The png or jpeg images resources in an Android application must be stored in the :

780 answers
574 good - 206 bad
Thanh-Diane Nguyen
Teaching Assistant at Louvain School of Management
Business Analyst

In Scrum framework, what are the main responsibilities of the Scrum Master?

169 answers
18 good - 151 bad
Rudy De Busscher
Speaker, Java EE Architect, Senior developer & Coach at C4J

Without any framework, how can I retrieve a service implementation?

158 answers
40 good - 118 bad
Carlos Coloma
Cloud Architect at Extrema Sistemas

Which is the output of the following code?

164 answers
23 good - 141 bad
Olivier Hubaut
Board Member & JUG Leader at Brussels Java User Group & Founder at T.M.P. Solution

Consider the following code.

246 answers
117 good - 129 bad
Öykü Isik
Professor of Information Systems Management at Vlerick
Big data management

Which of the profiles listed below should take most responsibility with regard to the following...

398 answers
176 good - 222 bad
Sébastien Combéfis
Lecturer at ECAM
Network & Infrastructure

Which one of the following multiple access technique is used by IEEE 802.11 standards for...

78 answers
21 good - 57 bad
Patrick De Geynst
Chief Intelligence Officer at Satellit

Blazor server-side supports:

547 answers
184 good - 363 bad
Maxime Cordy
Research Scientist at SnT / University of Luxembourg

Consider the following code :

115 answers
30 good - 85 bad
Thomas Soumagne
Head of IT Development at Gambit Financial Solutions

What is the result of this program?

89 answers
37 good - 52 bad
Bebras Community
Bebras Junior Fr

Tu veux envoyer une image à tes amis.

516 answers
380 good - 136 bad
Sebastian Daschner
Java Champion & Lead Java Developer Advocate at IBM

Which HTTP status code is send when POST-ing to quizzes?

824 answers
269 good - 555 bad
Patrick De Geynst
Chief Intelligence Officer at Satellit

In June 2019, Blazor was in official preview ?

803 answers
244 good - 559 bad
Hélène de Ribaupierre
Lecturer Computer Science and Informatics at Cardiff university

After running this code, what Boolean values will be printed to the console?

371 answers
216 good - 155 bad
Thierry Van den Berghe
Professor in ICT / Associate Dean for Research at ICHEC
Business Analyst

A Data Dictionary document provides details about the data that relate to a business solution....

101 answers
25 good - 76 bad
Christophe Peerens
Microsoft Technical Advisor at Neomytic

What will be the output of the code snippet?

234 answers
163 good - 71 bad
Suzanne Kieffer
Research Associate at Université Catholique de Louvain

What is the complexity of the following algorithm expressed in Big-O notation ?

594 answers
138 good - 456 bad
Jakub Krajniak
Python programmer at AppTension

You have a vector of numbers 'a' being a numpy array.

394 answers
63 good - 331 bad
Martijn Cielen
Specialised in Red Hat based solutions & Technical Business Developer at Piros

When setting up an LIO iSCSI target, different steps need to be performed.

109 answers
21 good - 88 bad
Ludovic Saublains
Senior Java Developer at Groupe Open Belgium

Which of these interfaces doesn't extend DataOutput interface?

382 answers
86 good - 296 bad