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18 interview questionsfor developers (2026)

Test your developer skills before an interview with 18 corrected questions on 80+ topics. Beginner, Intermediate or Expert level.

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18 questions
Medium
3 votes280 runs
1 comment

How long does it take to build a data warehouse?

IT Architect
IS Architecture
architecture
time
Kevin Lefevreat Nov 28, 2021
Hard
1 vote246 runs0 comment

Explain the different types of caching in the context of an information system architecture.

IT Architect
IS Architecture
caching
Kevin Lefevreat Nov 28, 2021
Hard
1 vote243 runs0 comment

Which of the following networks has the highest bandwidth? A, B, or C?

IT Architect
IS Architecture
data
network
Kevin Lefevreat Nov 28, 2021
Easy
1 vote89 runs
1 comment

Explain the difference between a distribution group and a security group in Active Directory.

IT Architect
IS Architecture
active directory
group
Elyes Zaagat Nov 3, 2023
Easy
1 vote87 runs0 comment

Explain the difference between a microservices architecture and a monolithic architecture in terms of application development and deployment.

IT Architect
IS Architecture
microservices
monolithic
decouple
Elyes Zaagat Nov 3, 2023
Medium
0 vote272 runs0 comment

Which database stores the most data?

IT Architect
IS Architecture
data
Kevin Lefevreat Nov 28, 2021
Medium
0 vote254 runs0 comment

Which of the following two SQL queries is faster? A: SELECT * FROM table WHERE id = 1; B: SELECT * FROM table WHERE id = 1 ORDER BY id;

IT Architect
IS Architecture
architecture
performance
Kevin Lefevreat Nov 28, 2021
Medium
0 vote254 runs0 comment

If the data to be validated does not depend on other data in the database, performing data validation in the server application reduces the number of database queries compared to validation only in the database.

IT Architect
IS Architecture
database
validation
Kevin Lefevreat Nov 28, 2021
Hard
0 vote252 runs0 comment

What are the characteristics of a data warehouse?

IT Architect
IS Architecture
data
latency
Kevin Lefevreat Nov 28, 2021
Medium
0 vote250 runs0 comment

In a distributed system, it is possible to guarantee consistency (that all nodes in the system have access to the same data at the same time), it is possible to guarantee the atomicity of some operations

IT Architect
IS Architecture
database
distributed systems
Kevin Lefevreat Nov 28, 2021
Hard
0 vote249 runs0 comment

A is faster than B, C is as fast as A, C is faster than B

IT Architect
IS Architecture
logic
Kevin Lefevreat Nov 28, 2021
Medium
0 vote242 runs0 comment

Which of the following architectures is more coherent? A, B, or C?

IT Architect
IS Architecture
architecture
data
Kevin Lefevreat Nov 28, 2021
Hard
0 vote239 runs0 comment

A network has 3 routers, A, B and C. A and B are connected to each other. B and C are connected to each other. A and C are not connected to each other. A has 1000 packets. B has 2000 packets. C has 3000 packets. How many packets are in the network?

IT Architect
IS Architecture
data
network
Kevin Lefevreat Nov 28, 2021
Easy
0 vote156 runs0 comment

What is the difference between a data warehouse and a data mart?

IT Architect
IS Architecture
scale
cloud
Vincent Cotroat Mar 25, 2022
Easy
0 vote89 runs0 comment

What is port mirroring in a network switch and how can it be used to diagnose network problems?

IT Architect
IS Architecture
network
switch
Elyes Zaagat Oct 24, 2023
Easy
0 vote82 runs0 comment

What is serverless architecture and how does it work?

IT Architect
IS Architecture
serverless
architecture
Vincent Cotroat Nov 20, 2023
Easy
0 vote44 runs1 comment

What are the two parts of a URL? (Choose the most suitable answer)

IT Architect
IS Architecture
hash
ip
persoat Nov 8, 2024
Hard
-2 votes222 runs
1 comment

Vertical scaling by a factor N (N times more CPU power on the same machine) will give me N times more useful resources.,To solve a small CPU overload, on modern platforms, it is sometimes easier and faster to scale vertically.,It is more flexible to scale horizontally to handle future traffic growth.

IT Architect
IS Architecture
scaling
cloud
Denisat Mar 25, 2022