D322 - INTRODUCTION TO IT EXAM QUESTIONS WITH VERIFIED SOLUTIONS LATEST UPDATE 2026

D322 - INTRODUCTION TO IT EXAM QUESTIONS WITH VERIFIED SOLUTIONS LATEST UPDATE 2026 System Administrator - Answers A person who is responsible for providing technical support for hardware and software issues end users encounter, such as log-in issues. Network Administrator - Answers A person who is responsible for designing, planning, setting up, and maintaining an organization's network. Database administrator - Answers A person who is responsible for installing and configuring databases. This position also fixes database errors and creates user accounts. Security Administrator - Answers A person who is responsible for installing, administrating, and troubleshooting network security issues. Web Administrator - Answers A person who is responsible for troubleshooting error messages employees encounter when attempting to access their organization's website. Also, responsible for tracking, compiling, and analyzing website usage data. Cloud Architect - Answers A person who is responsible for overseeing a company's cloud computing systems. Strong understanding of operating systems such as LINUX, UNIX, and Windows is required. Network Architect - Answers A person who is responsible for designing networks and monitoring traffic. This position is responsible for installing routers and modems and upgrading hardware and software that are essential for the network to function properly. Automation Architect - Answers A person who is responsible for modernizing business processes and developing reasons or rationales for or against a process being automated. Cyber Architect - Answers A person who is responsible for designing, building, testing, and implementing security systems within an organization's information technology network. An individual within this position requires a thorough understanding of an organization's IT systems to anticipate possible network security breaches. Machine Learning Engineer - Answers A person who is responsible for allowing an organization to take full control of its data. Software Engineer - Answers A person who is responsible for designing and developing software that makes hardware and software systems work, including operating systems, database systems, and embedded systems. Network Engineer - Answers A person who is responsible for setup, configure, maintain, and upgrade system where data resides that support the exchange of information, including communication systems and networks. Cloud Engineer - Answers These individuals design and set up automation, cloud storage, data centers, virtual servers, and web services with an emphasis on a particular solution's cost benefits to users, and security of data processing. Technical Support - Answers Supports, monitors, and maintains workplace technology and responds to user requests for help. Systems Analyst - Answers Investigate business problems and create information systems to provide solutions. It requires both business and technical knowledge and rely on effective communication to understand client's requirements. Data Analyst - Answers Who uses statistical and other quantitative methods to gain insights that support the organization's decision making. Security Analyst - Answers A person who is responsible for monitoring an organization's network for security breaches. Cybersecurity Specialist - Answers Works with organizations to keep their information systems secure and ensure integrity, confidentiality, and availability of data. Technical Consultant - Answers Provides technical expertise by developing and implementing IT systems for external clients. Web Developer - Answers Builds and maintains websites and their infrastructure. Need to understand client-side, server-side, and database web technologies. Software Tester - Answers A person who is responsible for creating, documenting, and executing manually created test plans and procedures relating to system anomalies. Technical Sales - Answers IT professionals in the role of sales or account managers identify and help clients adopt IT services or techniques. Data Pyramid - Answers It is a concept that visualizes the data-information-knowledge-wisdom hierarchy. Information - Answers A collection of data from a variety of sources. Data is continually aggregating and is not useful until it has been processed and is presented in a usable form. Information can be unstructured or structured, and the key term associated with it is meaning Data - Answers Includes raw facts or observations. Knowledge - Answers It is hard to define. It is a dynamic combination of experience, values, and contextual information. The key term associated with knowledge is "context" Wisdom - Answers it is knowing the right thing to do. IPOS (Input-Process-Output-Storage) - Answers The IPOS model explains what computer systems are used for. They take input, process it, and provide an output while using storage to keep intermediate and final results of the transformation of data. Individual hardware components support the function of computer systems. Three basic computer components - Answers CPU, storage, and peripheral devices CPU (Contract Processing Unit) - Answers The CPU supports data processing. The CPU is the electronic circuit responsible for executing computer program introductions. Computer Memory - Answers Stores ephemeral programs and data in use temporarily for quick access and primarily store it in RAM (Random Access Memory) Peripheral Devices - Answers It supports the input and output operations of the system. Three parts of CPU - Answers ALU (Arithmetic Logic Unit), Control Unit, and Processor Register Arithmetic Logic Unit (ALU) - Answers It contains circuitry that performs on data. Such as addition and subtraction Control Unit - Answers It contains circuitry coordinating the machine's activities Processor Register - Answers It contains data storage cells called registers Registers - Answers They serve as temporary holding places for data being manipulated by the CPU. It holds the inputs to the ALU and stores the results. Memory Address Register (MAR) - Answers Holds the memory location of data that needs to be accessed. Memory Data Register (MDR) - Answers Holds data that is being transferred to or from memory RAM (Random Access Memory) - Answers Sometime referred to as primary or main memory. When the computer is off the data will be lost. ROM (Read Only Memory) - Answers A component that stores instructions for crucial system activities, including booting up the systems and initializing different computer components. Bus (or Bus Lines) - Answers The wires that serve as electrical roadways, transmitting information between CPU and other components. Three types of Bus - Answers Address bus, data bus, and control bus Address Bus - Answers Carries the destination address of the data is assigned to be processed. Data Bus - Answers Carries data between the processor, the memory unit, and the input/output devices. Control Bus - Answers Carries control signals/commands from the CPU. Controls and coordinates all activities within the computer system System Unit - Answers also known as a tower or chassis, encases various components (CPU, RAM, power supply, etc.) Mother board - Answers Main circuit board for the computer containing bother soldered components that cannot removed and sockets or slots for components can be removed. System Clock - Answers It sends out a pulse of electricity at regular intervals. The more pulses sent out, the faster the computer. Expansion slots - Answers a place in a computer where an expansion card can be inserted. Ports - Answers Allow cables to be plugged in without opening the system unit. e.g., parallel, serial, and USB (Universal Serial Bus). Secondary Storage - Answers Hold data and information permanently. The Saved content remains on even when the computer is powered down. Input Device - Answers The device that translates data into a form that the computer can understand, Output Device - Answers The device that translates information into a form that humans can understand. Communication Devices - Answers Allow a computer to send and receive data and from other computers. Supercomputer - Answers the biggest and fastest computers, designed to process huge amounts of data. It is particularly useful in scientific and engineering applications such as weather forecasting, scientific simulations, and nuclear energy research. Mainframe Computer - Answers designed to support hundreds or thousands of users simultaneously. They also support multiple programs at the same time, making them useful to big organizations that manage and process high volumes of data. Workstation - Answers a single-user computer designed for technical or scientific applications. It has a faster microprocessor, a large amount of RAM, and high-speed graphics cards. It generally performs a specific job with great expertise. Graphics, music, and engineering design departments often use this type of system. microcomputer - Answers more commonly known as a personal computer. It is a general-purpose computer for individual use. It has a memory, storage, input and output units, and a microprocessor as a central processing unit. Desktops, laptops, and handheld or mobile devices are all microcomputers. PAN (Personal Area Network) - Answers A small network consisting of personal devices at close range; the devices can include cell phones, PDAs, and notebook computers. LAN (Local Area Network) - Answers A network consists of a collection of computers in a single building or building complex. For example, the computers in a manufacturing building may be connected via a LAN. WAN (Wide Area Network) - Answers WANs link systems over a greater distance, including machines on the opposite sides of the world. Four common network topologies - Answers Bus, star, ring, and mesh Bus network - Answers The machines are connected to a common communication line called a bus. (Connecting several computers in a straight line.) Star network - Answers Various computers connected in the middle by a router Ring network - Answers Computers are arranged in a circle with each one connecting to the computers on either side. Unlike the star diagram, there is no device in the middle to which they connect. (Connect directly to each other as a peer). Mesh network - Answers connects every device in a network to every other device; mesh networks enable redundancy while also introducing significantly more network traffic. Client/Server network - Answers The basic roles played by the processes are categorized as either a client making requests or a server satisfying client requests. Peer-to-Peer (P2P) - Answers the basis of file-sharing services, a computer communications model and network whose computers are considered equal peers who can send, store, and receive information equally well Distributed Systems - Answers Interactions between computers via networks have become commonplace and multifaceted. Many modern systems, such as global information retrieval systems or computer games, are designed as distributed systems. Distributed systems execute software as processes on more than one computer. Clustering computing - Answers Use many independent computers to provide computations or services comparable to those of a larger machine. The cost of several individual machines can be less than a higher-priced supercomputer, with comparable performance. Grid computing - Answers Typically includes specialized software to make it easier to distribute the workload and data among the machines in the grid. Cloud computing - Answers Provides large pools of shared computers that can be allocated to clients as needed. Services such as Amazon's Elastic Compute Cloud allow clients to rent virtual computers by the hour no matter where the associated computer hardware is located. IPv4 - Answers 32bit address pattern (e.g., 192.207.177.103) IPv6 - Answers 128bit address pattern (e.g., 2001:DB8:12:34::1111) ICANN (International Corporation for Assigned Names and Numbers) - Answers A non-profit organization that coordinates the internet's operations HTTP (Hypertext Transfer Protocol) - Answers the protocol used for transmitting web pages over the Internet SMTP (Simple Mail Transfer Protocol) - Answers A communications protocol that enables sending email from a client to a server or between servers. POP (Post Office Protocol) - Answers an email protocol that stores and downloads messages to a client IMAP (internet mail access protocol) - Answers A more recent and advanced electronic email system for incoming mail. VoIP (Voice over Internet Protocol) - Answers protocol that transmits phone calls over the same data lines and networks that make up the Internet; also called Internet telephony Hypertext Markup Language (HTML) - Answers links documents, allowing users to move from one to another simply by clicking on a hot spot or link Web Server - Answers A computer that runs special software to serve up Web content by responding to requests. URL (Uniform Resource Locator) - Answers A location or address identifying where documents can be found on the Internet, a Web address HTML (Hypertext Markup Language) - Answers The standard coding language used to construct World Wide Web documents. Malware - Answers Malicious software is any software intentionally designed to cause damage to a computer, server, client, or computer network.