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Home>IT Tests>Questions>Cybersecurity Engineer

327 interview questionsfor Cybersecurity Engineer (2025)

Test your technical skills before an interview of Cybersecurity Engineer with 327 corrected questions. Beginner, Intermediate or Expert level.

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327 questions
Easy
36 votes1932 runs1 comment

Write a Python function that returns the factorial of a number.

Back-end developer
recursion
Vincent Cotroat Mar 28, 2023
Easy
32 votes2930 runs
12 comments

Write a Java program that prints 'welovedev'.

Full stack developer
strings
variables
Pierreat Sep 19, 2022
Hard
22 votes2309 runs0 comment

Write a Python function that prints the elements of a list.

Back-end developer
list
for loop
Anonymous authorat Mar 28, 2022
Hard
16 votes3411 runs
1 comment

How many times is the condition `(a++ < 15)` evaluated in the following code? ```java int a = 3; while (a++ < 15) { if ((a++ % 5) == 0) break; } ```

Back-end developer
loops
control flow
Thomas De verdièreat Dec 16, 2021
Hard
13 votes3254 runs0 comment

How many instance of Integer cannot be freed from memory?

Back-end developer
array
memory
Thomas De verdièreat Dec 16, 2021
Easy
13 votes2840 runs
2 comments

How should a package be named in Java?

Full stack developer
packages
java
Pierreat Sep 19, 2022
Medium
13 votes1544 runs
1 comment

What is the difference between an interface and an abstract class in Java?

Full stack developer
EL Mostafa Fadiliat Feb 13, 2024
Hard
12 votes3453 runs0 comment

A Customer class has the com.company.model package.

Back-end developer
inheritance
package
Thomas De verdièreat Jan 4, 2022
Hard
12 votes3420 runs1 comment

Serialization can be customized with the Externalizable interface

Back-end developer
serialization
interface
Thomas De verdièreat Jan 4, 2022
Hard
12 votes3354 runs0 comment

A monitor in Java

Back-end developer
java
thread
Thomas De verdièreat Jan 4, 2022
Easy
12 votes3297 runs0 comment

What does the final keyword mean in front of a method in Java?

Back-end developer
java
methods
Thomas De verdièreat Jan 4, 2022
Medium
12 votes2094 runs0 comment

Use the zip() function to iterate over two lists in parallel.

Back-end developer
list
zip
Anonymous authorat Mar 28, 2022
Hard
11 votes3420 runs
1 comment

What is the error message when you try to serialize a class that does not implement Serializable?

Back-end developer
java
serialization
Thomas De verdièreat Dec 2, 2021
Hard
11 votes3304 runs0 comment

What "design pattern" makes it possible to offer a means of treating the elements of a tree without worrying about the course?

Back-end developer
design pattern
tree
Thomas De verdièreat Jan 4, 2022
Easy
11 votes2720 runs
2 comments

How to concatenate two strings of characters in Java?

Full stack developer
strings
concatenation
Pierreat Jan 4, 2022
Medium
10 votes2351 runs0 comment

Start a HTTP server from the CLI with python

Back-end developer
cli
http
Anonymous authorat Jan 23, 2023
Easy
10 votes2069 runs0 comment

What type is `function_a` in the following code ?

Back-end developer
functions
decorators
Anonymous authorat Mar 28, 2022
Easy
9 votes3237 runs0 comment

Which of these classes is the most suitable for composing a character string from several elements concatenated to each other?

Back-end developer
string
java
Thomas De verdièreat Jan 4, 2022
Hard
8 votes3393 runs0 comment

A “synchronized” method

Back-end developer
java
method
Thomas De verdièreat Jan 4, 2022
Easy
8 votes3264 runs0 comment

What is the classpath for?

Back-end developer
java
classpath
Thomas De verdièreat Jan 4, 2022
Cybersecurity Engineer tests