D322 Introduction to IT - Set 5 - Part 1

Test your knowledge of technical writing concepts with these practice questions. Each question includes detailed explanations to help you understand the correct answers.

Question 1: What is the purpose of a firewall in network security?

To monitor network traffic

To prevent unauthorized access to or from a private network

To back up data

To increase network speed

Question 2: Which of the following is an example of two-factor authentication?

Username and password

Password and security questions

Password and one-time code sent to a phone

Email verification only

Question 3: Which database query language is used to retrieve and manipulate data in a relational database?

XML

SQL

HTML

JSON

Question 4: Which cloud service model provides software applications over the internet without the need to install them locally?

SaaS

PaaS

IaaS

DaaS

Question 5: What is a common characteristic of open-source software?

It is free but cannot be modified

It is proprietary and licensed

It allows users to modify and distribute the source code

It only runs on specific hardware

Question 6: Which type of backup copies only the files that have changed since the last full backup?

Full backup

Incremental backup

Differential backup

Partial backup

Question 7: What does the acronym IoT stand for in technology?

Internet of Things

Internet of Technology

Interface of Tools

Integration of Technology

Question 8: Which type of network topology connects devices in a circular configuration, passing data in one direction?

Star topology

Bus topology

Ring topology

Mesh topology

Question 9: Which security method uses encryption to convert data into an unreadable format for transmission over a network?

Tokenization

Firewalls

VPN

Encryption

Question 10: Which type of cloud computing offers the ability to develop, run, and manage applications without managing the underlying infrastructure?

SaaS

PaaS

IaaS

DaaS

Question 11: What is the primary function of RAM in a computer system?

To store data permanently

To store data temporarily for quick access

To perform calculations

To connect to a network

Question 12: Which of the following is an example of a database management system (DBMS)?

Microsoft Word

Oracle

Adobe Photoshop

Python

Question 13: Which process in computing ensures that only authorized users have access to certain data?

Authentication

Encryption

Backup

Validation

Question 14: What is the purpose of a content delivery network (CDN)?

To secure network traffic

To improve website loading times by caching content

To monitor user activity

To restrict access to certain websites

Question 15: Which of the following best describes the purpose of SQL injection attacks?

To overload a system with excessive traffic

To inject malicious code into a web application’s database

To steal data during transmission

To disrupt a network by flooding it with traffic

Question 16: What is the primary function of the CPU in a computer system?

To store data

To process instructions and perform calculations

To manage network connections

To provide security for the system

Question 17: Which term refers to a unique number assigned to devices on a network for identification and communication?

IP address

MAC address

DNS

Subnet

Question 18: What is the main purpose of two-factor authentication (2FA)?

To encrypt data during transmission

To increase the difficulty of unauthorized access

To backup data

To optimize network speed

Question 19: Which of the following is a characteristic of a relational database?

Data is stored in a flat file

Data is organized into rows and columns

Data is stored in unstructured formats

Data is encrypted by default

Question 20: What does the acronym RAID stand for in data storage?

Redundant Array of Independent Disks

Random Access of Independent Data

Reliable Access for Independent Devices

Redundant Access of Internal Devices

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