2026 Updated Verified Introduction-to-IT Q&As - Pass Guarantee or Full Refund
[Apr-2026] Introduction-to-IT Certification with Actual Questions from PassSureExam
NEW QUESTION # 13
What is the name of the wireless technology that specifically accommodates distances up to 300 feet?
- A. Wi-Fi
- B. Wide area network WAN
- C. Near field communication NFC
- D. Bluetooth
Answer: D
Explanation:
Bluetooth is the wireless technology commonly identified in IT fundamentals as supporting short-range communication up to around 300 feet in higher-power implementations. Bluetooth is designed for personal area networking, connecting devices such as headphones, keyboards, speakers, and smartphones with low power consumption and easy pairing. Different Bluetooth classes exist: some provide only a few meters of range, while higher-power versions can extend to roughly 100 meters, which is close to 300 feet, under good conditions. Wi-Fi typically supports larger local-area coverage and is used to connect devices to local networks and the internet. A wide area network is not a wireless technology standard; it is a type of network spanning large geographic areas. Near field communication is designed for extremely short distances, usually a few centimeters, and is used for contactless payments and quick device taps. Since the question asks for a wireless technology specifically accommodating distances up to 300 feet, Bluetooth best matches that description.
NEW QUESTION # 14
What is the correct definition of a join query?
- A. A join returns all records from a relation but only for certain attributes or fields.
- B. A join is a collection of records organized in some manner.
- C. A join is a search of data in the relation that fit specific parameters.
- D. A join withdraws information from multiple relations.
Answer: D
Explanation:
A join in the context of a database, specifically SQL, is an operation that combines rows from two or more tables based on a related column between them. The purpose of a join is to retrievedata that exists across multiple tables which share a common field or key. The process typically involves the following steps:
1.Identify the Tables: Determine the tables that you want to join.
2.Determine the Common Column(s): Find the column(s) that the tables share, which will be used to match rows.
3.Choose the Type of Join: Decide on the type of join that suits your needs (INNER, LEFT, RIGHT, FULL).
4.Construct the Join Query: Write the SQL statement that specifies the join condition using the ON keyword.
5.Execute the Query: Run the query in the database to retrieve the combined results.
For example, if you have an Orders table and a Customers table, and both have a CustomerID column, you can join them on this column to retrieve a list of orders along with the customer information for each order.
References: The definition and explanation are based on standard SQL documentation and educational resources such as W3Schools1 and GeeksforGeeks2, which provide comprehensive guides on SQL joins.
NEW QUESTION # 15
What is the generation of computing known for natural language processing and machine learning capabilities?
- A. Third
- B. Fourth
- C. Fifth
- D. Second
Answer: C
Explanation:
The fifth generation of computing is commonly associated with artificial intelligence, including natural language processing and machine learning capabilities. In standard Information Technology history, the fifth generation represents a shift from mainly hardware-driven improvements to systems designed to mimic human-like reasoning and communication. Natural language processing focuses on enabling computers to understand and respond to human language, while machine learning allows systems to improve performance by learning from data rather than relying only on fixed, pre-programmed instructions. These capabilities depend on advanced algorithms, large datasets, and powerful computing architectures, including parallel processing and high-performance computing resources. Earlier generations were defined primarily by hardware advancements: vacuum tubes in the first generation, transistors in the second, integrated circuits in the third, and microprocessors in the fourth. Although some AI research existed earlier, the fifth generation is the one most clearly linked in IT documents and curricula with intelligent systems, expert systems, language understanding, and learning-based approaches. Therefore, the correct generation for natural language processing and machine learning is the fifth generation.
NEW QUESTION # 16
What is a common characteristic of a proprietary software license?
- A. A business gains the right to own the software.
- B. A business gains the right to distribute the software freely.
- C. A business gains the right to use the software.
- D. A business gains the right to modify the software's source code.
Answer: C
Explanation:
1.Proprietary Software Definition:
oProprietary software, also known as commercial software, is software that is exclusively owned and controlled by a single entity (usually a software company or vendor).
oUsers must obtain a license to use proprietary software, and the terms and conditions of this license are outlined in an end-user license agreement (EULA).
2.Ownership and Access to Source Code:
oProprietary software is considered "closed-source" because the source code is not available to the public.
oOnly the original developers or copyright holders have access to the complete source code.
oUsers do not have the right to modify or distribute the software's source code.
3.Rights Granted by a Proprietary Software License:
oWhen a business acquires a proprietary software license, it gains the following rights:
Right to Use: The business can use the software for its intended purpose.
Limited Access: Users can interact with the software's user interface but cannot access or modify the underlying code.
Restrictions: The license may impose restrictions on copying, distribution, and reverse engineering.
Enforcement: Violating the license terms can result in legal action by the software vendor.
4.Comparison to Open Source Software:
oProprietary software differs from open source software, where the source code is freely accessible, modifiable, and distributable.
oExamples of proprietary software include Microsoft Windows, Adobe Photoshop, and commercial applications.
References
1.Montague Law: Proprietary Software License Explained for 2023
2.UpCounsel: Proprietary Software License: Everything You Need to Know
3.Wikipedia: Software License
4.TheCyberGarden: Software Licensing - The Proprietary Model and the Open Source Model
5.Toppr: What is Proprietary Software - Definition, Advantages, Disadvantages
NEW QUESTION # 17
Which IT department goal would support business goals?
- A. Promoting the company's products and services
- B. Interviewing applicants for marketing positions
- C. Overseeing funds flowing through the organization
- D. Developing an online shopping cart for company products
Answer: D
Explanation:
IT goals directly support business goals when they enable or improve the core activities that generate revenue or growth. Here's why this option stands out:
*E-commerce Expansion: An online shopping cart directly facilitates sales, expanding the company's reach and providing customers with a convenient way to purchase products. This aligns with common business goals of increasing sales and market share.
NEW QUESTION # 18
Which peripheral replaces the mouse on a mobile device?
- A. Camera
- B. Jack
- C. Stylus
- D. USB
Answer: C
Explanation:
*The peripheral that replaces the mouse on a mobile device is the Stylus.
*Explanation: A stylus is an input device that allows users to interact with touchscreens by tapping, drawing, or writing. It serves as an alternative to using a traditional mouse for precise input on mobile devices.
* Therefore, the correct answer is A. Stylus
NEW QUESTION # 19
Why is business continuity planning essential?
- A. It allows for succession planning.
- B. It ensures that the company will be profitable.
- C. It allows for the quickest return to business operations.
- D. It ensures that the company will avoid asset loss.
Answer: C
Explanation:
Business continuity planning (BCP) is essential for several reasons:
1.Minimizing Downtime:
oBCP ensures that an organization can continue its critical functions during and after disruptions.
oBy having a well-thought-out plan, companies can minimize downtime and quickly resume operations.
2.Risk Mitigation:
oBCP identifies potential risks (e.g., natural disasters, cyberattacks) and develops strategies to mitigate and recover from them.
oIt goes beyond traditional business plans, focusing on resilience during adversity.
3.Economic Stability:
oEconomic downturns (e.g., recessions) pose significant threats to businesses.
oA continuity plan helps companies sustain operations even during tough times, preventing financial instability.
4.Adaptability to Growth:
oDuring periods of growth, businesses need to scale rapidly.
oA continuity plan ensures that infrastructure, resources, and workforce can adapt effectively.
NEW QUESTION # 20
What is one of the goals of the Association for the Advancement of Artificial Intelligence AAAI?
- A. It advances a scientific understanding of the problem-solving capabilities of machines.
- B. It promotes the development and deployment of systems that are reliable, usable, interoperable, and secure.
- C. It helps other organizations design and apply appropriate approaches to personal data collection, use, and disclosure.
- D. It certifies the quality of undergraduate educational programs in the computer science field.
Answer: A
Explanation:
AAAI is a professional scientific society focused on artificial intelligence, and one of its central goals is advancing scientific understanding of the mechanisms and capabilities of intelligent machines. In Information Technology, AAAI is associated with research communities that study machine learning, reasoning, natural language processing, robotics, and problem-solving methods. The goal described in option C matches this mission by emphasizing scientific understanding of machine problem-solving capabilities. Option A aligns more with accreditation organizations, such as ABET, which evaluates academic programs. Option B describes goals associated with standards and computing infrastructure reliability and interoperability, which is more aligned with organizations that focus on standards and systems engineering. Option D aligns more with privacy-focused organizations and governance frameworks. AAAI supports conferences, publications, and collaboration aimed at improving AI theory and practice. Therefore, the correct answer is that AAAI advances a scientific understanding of the problem-solving capabilities of machines.
NEW QUESTION # 21
Which hardware component provides electric pulses that electronic components need in order to operate?
- A. Motherboard
- B. Expansion bus
- C. System clock
- D. Hard drive
Answer: C
Explanation:
The system clock provides the electric timing pulses that electronic components use to coordinate operations.
In Information Technology hardware architecture, digital circuits require a consistent timing signal to synchronize actions such as executing CPU instructions, transferring data across buses, and coordinating memory access. The clock signal is a repeating electrical waveform that establishes a rhythm for the system, allowing components to perform steps in a controlled sequence. CPU speed is commonly measured in cycles per second, such as gigahertz, which reflects how many clock cycles occur each second. While the motherboard contains circuits and connectors that distribute signals, and expansion buses carry data between components, they do not generate the fundamental timing pulses. A hard drive stores data and does not provide timing for the overall system. Because the question asks specifically about providing electric pulses required for operation, it refers to the system clock function that produces and distributes the timing signal.
Therefore, the correct answer is system clock.
NEW QUESTION # 22
How can the organizational culture support ethical guidelines?
- A. By creating the system requirements for computers in the organization
- B. By outlining the roles of IT specialists in the organization
- C. By outlining the protocols to support security and privacy of data
- D. By creating the government regulations that apply to the organization
Answer: C
Explanation:
1.Ethical Leadership: Leaders should model ethical behavior, make decisions in the best interest of stakeholders, and ensure fairness. Ethical leaders influence followers to do the right thing.
2.Ethical Practices: Implement critical organizational practices related to ethics, including recruitment, training, policies, accountability, and decision-making.
3.Ethical Climate: Communicate ethical expectations beyond policies. Foster an environment where employees understand ethics and their implications.
References:
1.How to Create a Culture of Ethics & Accountability in the Workplace
2.Ethics and Organizational Culture
3.How Ethical Leadership Impacts Organizational Culture
4.The Relationship Between Ethics and Organizational Culture
NEW QUESTION # 23
Which component is part of the system unit?
- A. Motherboard
- B. Monitor
- C. Printer
- D. Keyboard
Answer: A
Explanation:
The system unit refers to the main computer case and the internal components housed inside it. In Information Technology hardware terminology, the system unit contains the core electronic parts required for processing and storage, including the motherboard, CPU, RAM, storage drives, power supply, and expansion cards. The motherboard is a central internal component of the system unit because it is the main circuit board that holds and connects major hardware parts through sockets, slots, and buses. By contrast, a keyboard is an external input peripheral, a monitor is an external output display device, and a printer is an external output peripheral used for hard-copy printing. While these peripherals are essential for user interaction, they are not considered part of the system unit itself. Understanding this distinction is important for tasks such as hardware troubleshooting, upgrades, and system assembly, where internal components are serviced within the system unit enclosure. Therefore, the component that is part of the system unit is the motherboard.
NEW QUESTION # 24
What are three operating systems that are commonly used today?
Choose 3 answers
- A. Microsoft Windows
- B. Linux
- C. Mozilla Firefox
- D. Mac OS
- E. Microsoft Outlook
- F. MySQL
Answer: A,B,D
Explanation:
1.Microsoft Windows: Developed and marketed by Microsoft, Windows is the most widely used desktop operating system globally. It accounts for nearly 72% market share for desktop and laptop computers.
Windows provides an intuitive and user-friendly graphical desktop, making it easy to use and navigate. It is versatile and supports various tasks such as word processing, browsing, gaming, software development, video editing, and more1.
2.Linux: Linux is a popular open-source operating system. It was developed by programmer Linus Torvalds in 1991. Linux runs in many organizations, private offices, mobile devices, supercomputers, and over the internet. It already contains almost all the features of the UNIX OS and has additional features. Various distributions of Linux exist, including Ubuntu, Debian, Solus, and Linux Mint. Linux is known for its security, compatibility, and flexibility2.
3.Android: Android is one of the most common operating systems today. It powers smartphones, tablets, and other smart devices. Developed by Google, Android is based on the Linux kernel. It dominates the mobile market and offers a wide range of applications and features for users2.
Comprehensive Detailed Step by Step Explanation:
1.Microsoft Windows:
oWindows is developed and maintained by Microsoft.
oIt provides a graphical user interface (GUI) and is user-friendly.
oWindows 10 is the current version, with earlier versions like Windows XP, Windows 8, and Windows 7.
oAdvantages: Compatibility with hardware, pre-loaded software, ease of use. Disadvantages: Cost, security threats, vulnerability to viruses.
2.Linux:
oDeveloped by Linus Torvalds in 1991.
oOpen-source and free of cost.
oUsed in various environments (organizations, supercomputers, etc.).
oDistributions like Ubuntu, Debian, and Linux Mint.
oAdvantages: Security, compatibility, flexibility. Disadvantages: Multiple versions, not ideal for gamers.
3.Android:
oDeveloped by Google.
oBased on the Linux kernel.
oDominates the mobile market.
oOffers a wide range of apps and features.
References:
1.Toppr: Commonly Used Operating System
2.Tecmint: Most Used Operating Systems in the World1
NEW QUESTION # 25
What are two functions of the IT department within an organization?
Choose 2 answers
- A. To set priorities and allocate staff and budget resources to important product launch projects
- B. To develop and maintain the company's electronic communications network
- C. To oversee enterprise financial decisions and budget items
- D. To advertise products or services
- E. To support information technology needs of an organization
Answer: B
Explanation:
1.Developing and Maintaining the Company's Electronic Communications Network:
oThe IT department is responsible for designing, implementing, and managing the organization's electronic communications infrastructure. This includes networks, servers, email systems, and other communication channels.
oThey ensure that employees can communicate efficiently and securely, both internally and externally.
oRegular maintenance, troubleshooting, and upgrades are part of their responsibilities to keep the network operational and reliable.
2.Supporting Information Technology Needs:
oThe IT department provides technical support to employees, addressing hardware and software issues.
oThey assist with setting up new devices, troubleshooting connectivity problems, and ensuring that employees have the necessary tools to perform their tasks.
oUser training, software updates, and security awareness are also part of their support functions.
Comprehensive Detailed Step by Step Explanation
1.Developing and Maintaining the Company's Electronic Communications Network:
oDesign and Implementation:
The IT department collaborates with network architects and engineers to design a robust and efficient communications network.
They consider factors such as scalability, security, and performance.
oNetwork Infrastructure:
The IT team sets up and configures network devices (routers, switches, firewalls) to create a reliable network infrastructure.
They ensure proper segmentation, VLANs, and access controls.
oServer Management:
IT manages servers (physical or virtual) that host applications, databases, and files.
Regular maintenance includes patching, backups, and monitoring.
oEmail Systems:
The IT department oversees email servers (e.g., Microsoft Exchange, Gmail) to enable efficient communication.
They handle user accounts, spam filtering, and security.
oSecurity Measures:
IT implements security protocols (firewalls, intrusion detection systems) to protect the network from threats.
Regular security audits and updates are essential.
2.Supporting Information Technology Needs:
oHelp Desk Support:
IT staff provide technical assistance to employees via phone, email, or in-person.
They troubleshoot hardware and software issues promptly.
oDevice Setup and Configuration:
When new employees join, IT sets up their workstations, laptops, and mobile devices.
They configure software, install necessary applications, and connect to the network.
oSoftware Updates and Patches:
IT ensures that all software (operating systems, applications) is up to date.
Regular patch management prevents vulnerabilities.
oUser Training and Security Awareness:
IT conducts training sessions to educate employees about security best practices.
They raise awareness about phishing, password hygiene, and data protection.
References
*Electric: The IT Department: Roles & Responsibilities to Know
*Atera: The Different IT Department Roles and Responsibilities
*Presentationskills.me: Departments in an Organization and Their Functions
*Indeed: What Does the IT Department Do Within a Modern Organization?
*CIOsrc: Demystifying What IT Departments Actually Do And Should Do
NEW QUESTION # 26
Which image represents the basic structure of a computer network?
- A. Exhibit B
- B. Exhibit A
- C. Exhibit D
- D. Exhibit C
Answer: C
Explanation:
the basic structure of a computer network is the one depicting cloud computing. In this image, a blue cloud labeled "Cloud" is connected to four different types of devices: a desktop computer, tablet, phone, and laptop.
Each device has an icon representing its type, and all devices are connected to the cloud, symbolizing data access and storage on the cloud.
NEW QUESTION # 27
What do IT professional organizations publish to offer morals by which individuals and companies abide?
- A. Regulations
- B. Ethics
- C. Bylaws
- D. Policies
Answer: B
Explanation:
IT professional organizations publish codes of ethics to provide moral guidance for individuals and organizations working in the technology field. In Information Technology, a code of ethics outlines principles and standards of conduct related to responsibilities such as protecting privacy, ensuring security, avoiding harm, maintaining professional competence, being honest about system capabilities, and respecting intellectual property. These ethical standards help professionals make responsible decisions, especially when technical choices can affect users, society, or critical infrastructure. Regulations are legal requirements issued by governments and enforced through law. Policies are internal rules set by organizations to guide behavior within a specific company or institution. Bylaws are governance rules that define how an organization operates, such as membership, elections, and leadership structure, but they do not primarily serve as moral guidance for the broader profession. Professional ethics documents, on the other hand, are meant to guide behavior across the industry and promote trust and accountability. Therefore, the correct answer is ethics.
NEW QUESTION # 28
What is a component of IT infrastructure?
- A. People
- B. Printer
- C. Networks
- D. Data
Answer: C
Explanation:
*Verified Answer: A component of IT infrastructure is networks.
*Explanation: Networks play a crucial role in connecting various elements of an IT system, enabling communication and data exchange.
* Therefore, the correct answer is A. Networks.
NEW QUESTION # 29
What type of a system requirement involves preventing unauthorized access to data?
- A. User needs
- B. Security
- C. Design
- D. Accessibility
Answer: B
Explanation:
*Unauthorized access refers to gaining entry or access to a system, physical or electronic, without the permission of the owner or administrator.
*Security is the type of system requirement that involves preventing unauthorized access to data.
*Security measures include:
oAuthentication: Verifying user identity.
oEncryption: Protecting data from unauthorized viewing.
oAccess controls: Limiting who can access specific resources.
oFirewalls: Filtering network traffic.
*Ensuring security helps safeguard sensitive information and maintain data integrity.
References:
1.Unauthorized Access: Risks, Examples, and 6 Defensive Measures
2.How to Prevent Unauthorized Access: 10 Best Practices
3.Threat Picture: Unauthorized Access Prevention
4.PMC: Protecting Information with Cybersecurity
5.Cyberpedia: Unauthorized Data Access
1: Unauthorized Access: Risks, Examples, and 6 Defensive Measures 2: How to Prevent Unauthorized Access:
10 Best Practices 3: Threat Picture: Unauthorized Access Prevention 4: PMC: Protecting Information with Cybersecurity 5: Cyberpedia: Unauthorized Data Access
NEW QUESTION # 30
An employee needs to execute a program from the command line.
Which peripheral device should be used?
- A. Keyboard
- B. Speaker
- C. Printer
- D. Hard drive
Answer: A
Explanation:
1.Keyboard Input:
oWhen executing a program from the command line, the keyboard plays a crucial role in providing input to the system.
oThe user types the command or program name using the keyboard, and the operating system interprets these inputs.
oThe keyboard allows the user to interact with the command-line interface (CLI) by entering commands, parameters, and options.
2.Command-Line Execution:
oTo execute a program, the user types the program's name (or its full path) followed by any necessary arguments or options.
oThe operating system processes this input and runs the specified program.
oFor example, to run a Python script named "my_script.py," the user would type:
opython my_script.py
3.Other Peripheral Devices:
oLet's briefly discuss the other options:
Hard Drive (B): The hard drive is a storage device and is not directly involved in executing programs from the command line. It stores files and data but does not execute them.
Speaker : The speaker is an output device used for audio playback. It does not play a role in executing programs.
Printer (D): The printer is an output device used for printing documents. It is not used to execute programs.
References:
*No specific document reference is provided for this basic concept, as it is widely accepted knowledge in the field of information technology.
NEW QUESTION # 31
A programmer needs to create a variable that holds the brand name for a product in an inventory. What is the name of the data type that should be used?
- A. Character
- B. Character string
- C. Boolean
- D. Floating point
Answer: B
Explanation:
A brand name is made up of multiple characters, so it should be stored as a character string. In Information Technology, a character string data type is used to store text values such as names, addresses, descriptions, and identifiers that consist of more than one character. Examples include Sony, Samsung, Dell, or Hewlett Packard. A character type would be limited to only one letter or symbol, which would not hold an entire brand name. Floating-point data types store numeric values with decimals, and Boolean data stores only two states such as true or false, so neither fits a text label like a brand name. Using a string type also allows the system to support searching, sorting, and matching operations for inventory reports and queries. In database design, this type is commonly implemented as VARCHAR or TEXT, depending on the expected length and usage.
Therefore, the correct data type for storing a product brand name is character string.
NEW QUESTION # 32
Which type of off-site storage is an empty shell that can be used for operations in the event of a natural disaster or terrorist attack?
- A. Warm site
- B. Cold site
- C. Icy site
- D. Hot site
Answer: B
Explanation:
The type of off-site storage that serves as an empty shell for operations during a natural disaster or terrorist attack is a Cold site1. Unlike a Hot site, which is fully operational and ready for immediate use, a Cold site requires setup and provisioning before it can be utilized1. It provides a cost-effective solution for disaster recovery while minimizing ongoing expenses.
NEW QUESTION # 33
Which of the following is required for communication over the Internet?
- A. A packet switched network
- B. A LAN
- C. An IP Alias
- D. An analog signal
- E. A circuit switched network
Answer: A
Explanation:
Communication over the Internet relies on packet-switched networks. Here's why:
1.Packet Switching:
oThe Internet uses a packet-switching approach to transmit data.
oIn this method, data is divided into smaller packets before transmission.
oEach packet contains a portion of the original data along with addressing information.
oThese packets are then sent independently across the network.
oAt the destination, the packets are reassembled to reconstruct the original data.
2.Advantages of Packet Switching:
oEfficiency: Packet switching allows multiple users to share the same network resources efficiently.
oRobustness: If a link or node fails, packets can find alternative routes to reach their destination.
oScalability: The network can handle varying traffic loads without significant reconfiguration.
3.Other Options:
oAn IP Alias: An IP alias is an additional IP address associated with a network interface. It is not a requirement for communication over the Internet.
oA LAN (Local Area Network): A LAN is a local network within a limited geographical area. While LANs are essential for local communication, they are not directly required for Internet communication.
oA circuit-switched network: Circuit-switched networks establish dedicated connections between sender and receiver. The Internet does not use this approach.
oAn analog signal: Analog signals were used in older communication systems (e.g., telephone lines), but the Internet primarily relies on digital signals.
References:
*1ITExamAnswers: 5.4.3 Communications Principles Quiz Answers
*2GCFGlobal.org: Computer Basics - Connecting to the Internet
NEW QUESTION # 34
A programmer is working with C. Which type of language is this?
- A. Assembly
- B. Machine
- C. Compiled
- D. Interpreted
Answer: C
Explanation:
C is commonly classified as a compiled programming language. In Information Technology curricula, C source code is typically processed by a compiler that translates the entire program into machine code or into object files that are linked into an executable. This compiled output can then be run directly by the operating system without requiring the original source code to be translated again each time. C is considered a high- level language compared with assembly and machine language, but it still provides relatively low-level control over memory and system resources through pointers and direct data structure manipulation. This makes it popular for systems programming, operating systems, embedded development, and performance- critical applications. Interpreted languages are usually executed through an interpreter at runtime, while machine language is binary code executed directly by the CPU, and assembly language uses mnemonic instructions that map closely to machine operations. Since C is normally translated ahead of time into executable code, it is best categorized as a compiled language. Therefore, the correct answer is compiled.
NEW QUESTION # 35
What is the arrangement of network devices in a mesh topology?
- A. Every device is connected to every other device.
- B. All devices are connected to a single central device.
- C. Every device is connected to exactly two other devices.
- D. Devices are connected to a common communication line.
Answer: A
Explanation:
In a mesh topology, every device is connected to every other device. In Information Technology networking fundamentals, a full mesh topology provides multiple direct paths between nodes, which improves redundancy and fault tolerance. If one connection fails, data can often be rerouted through other links, reducing the chance of total network disruption. This makes mesh designs valuable for mission-critical environments where high availability is required. However, the number of connections grows quickly as devices increase, which raises cost, complexity, and management overhead. The other options describe different topologies: a star topology connects all devices to a central device such as a switch, a bus topology connects devices to a single shared communication line, and a ring topology connects each device to exactly two others, forming a loop. Because the defining feature of a mesh is the extensive interconnection among devices, the correct description is that every device is connected to every other device. Therefore, the correct answer is option C.
NEW QUESTION # 36
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