Robert Half Assessment Test IT and Programming Concepts 2

Question 1

Which data structure uses a LIFO (Last In, First Out) access pattern?

Accepted Answer

Stack

Answer

Queue

Answer

Linked List

Answer

Binary Tree

Question 2

What does the acronym API stand for?

Accepted Answer

Application Programming Interface

Answer

Application Protocol Interface

Answer

Automated Program Integration

Answer

Advanced Programming Index

Question 3

In object-oriented programming, what is encapsulation?

Accepted Answer

Bundling data and methods into a single unit with restricted access

Answer

Inheriting properties from a parent class

Answer

Defining multiple methods with the same name

Answer

Creating multiple instances of a class

Question 4

Which SQL statement is used to retrieve data from a database?

Accepted Answer

SELECT

Answer

INSERT

Answer

UPDATE

Answer

DELETE

Question 5

What is the primary purpose of version control systems like Git?

Accepted Answer

To track changes in code and enable collaboration

Answer

To compile source code faster

Answer

To deploy applications to production servers

Answer

To optimize database queries

Question 6

Which of the following is an example of a NoSQL database?

Accepted Answer

MongoDB

Answer

MySQL

Answer

PostgreSQL

Answer

Oracle

Question 7

What does 'responsive design' mean in web development?

Accepted Answer

The layout adapts to different screen sizes and devices

Answer

The website loads in under one second

Answer

The server responds quickly to HTTP requests

Answer

The site uses server-side rendering only