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Latest Introduction to IT Exam Practice Questions

The practice questions for Introduction to IT exam was last updated on 2025-11-23 .

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Question#1

Nadia Is collecting data for a project. The goal of the project is to determine which smartphone applications customers are most likely to use. Her main source of information will be online surveys that will be collected from customers over the next six months.
Which practices would help ensure that she will collect quality data?

A. Developing questions for the survey that are directly related to customers' application preferences
B. Changing some of the questions on the survey after the first 3 months
C. Having customers in certain demographics fill out the survey multiple times
D. Changing any data on surveys where she thinks the customer has made an error

Explanation:
Developing questions for the survey that are directly related to customers’ application preferences is a practice that would help ensure collecting quality data.
Nadia should focus on relevant questions related to application preferences to gather accurate data.
Reference

Question#2

Which system component allows a collection of computers to communicate with each other?

A. Hard drive
B. Network
C. Mouse
D. USB connector

Explanation:
• The system component that allows a collection of computers to communicate with each other is the network.
• Networks enable communication between computers, allowing data exchange, resource sharing, and collaboration.
• Therefore, the correct answer is B. Network.

Question#3

Which IT role is responsible for installing new hardware and troubleshooting existing hardware?

A. Web administrator
B. Network administrator
C. Security administrator
D. System administrator

Explanation:
• System administrators manage the upgrade and installation of new hardware and software, perform troubleshooting to address any problems with computer systems, and assess viruses and potential threats to a company’s network1.
Therefore, the correct answer is D. System administrator. ‍

Question#4

Which data type should be used to calculate 90% of the retail price of an item?

A. Boolean
B. Floating-point
C. Auto-number
D. String

Explanation:
To calculate a percentage of a price, you need a data type that can handle decimal values, as the result may not be a whole number.
Here’s why a floating-point data type is appropriate:

Question#5

Which securely best practice designates specific persons who are authorized to view and edit particular parts of a database system?

A. Authentication
B. Encryption
C. Antiviral software
D. Role-based access control

Explanation:
• Role-based access control (RBAC) is a securely best practice that designates specific persons who are authorized to view and edit particular parts of a database system.
• In RBAC, access permissions are assigned based on predefined roles or job functions within an organization.
• Here’s how RBAC works:

Exam Code: Introduction to ITQ & A: 67 Q&AsUpdated:  2025-11-23

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