Introduction to IT

D322 - Introduction to IT System Administrator ANSWER: A person who is responsible for providing technical support for hardware and software issues end users encounter, such as log-in issues. Network Administrator ANSWER: A person who is responsible for designing, planning, setting up, and maintaining an organization's network. Database administrator ANSWER: A person who is responsible for installing and configuring databases. This position also fixes database errors and creates user accounts. Security Administrator ANSWER: A person who is responsible for installing, administrating, and troubleshooting network security issues. Web Administrator ANSWER: 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 ANSWER: A person who is responsible for overseeing a company's cloud computing systems. A strong understanding of operating systems such as LINUX, UNIX, and Windows is required. Network Architect ANSWER: 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 ANSWER: A person who is responsible for modernizing business processes and developing reasons or rationales for or against a process being automated. Cyber Architect ANSWER: 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 ANSWER: A person who is responsible for allowing an organization to take full control of its data. Software Engineer ANSWER: 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 ANSWER: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 ANSWER: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 ANSWER:Supports, monitors, and maintains workplace technology and responds to user requests for help. Systems Analyst ANSWER: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 ANSWER:Who uses statistical and other quantitative methods to gain insights that support the organization's decision making. Security Analyst ANSWER:A person who is responsible for monitoring an organization's network for security breaches. Cybersecurity Specialist ANSWER:Works with organizations to keep their information systems secure and ensure integrity, confidentiality, and availability of data. Technical Consultant ANSWER:Provides technical expertise by developing and implementing IT systems for external clients. Web Developer ANSWER:Builds and maintains websites and their infrastructure. Need to understand client-side, server-side, and database web technologies. Software Tester ANSWER:A person who is responsible for creating, documenting, and executing manually created test plans and procedures relating to system anomalies. Technical Sales ANSWER:IT professionals in the role of sales or account managers identify and help clients adopt IT services or techniques. Data Pyramid ANSWER:It is a concept that visualizes the data-information-knowledge-wisdom hierarchy. Information ANSWER: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 ANSWER:Includes raw facts or observations. Knowledge ANSWER: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 ANSWER:it is knowing the right thing to do. IPOS (Input-Process-Output-Storage) ANSWER: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 ANSWER:CPU, storage, and peripheral devices CPU (Contract Processing Unit) ANSWER:The CPU supports data processing. The CPU is the electronic circuit responsible for executing computer program introductions. Computer Memory ANSWER:Stores ephemeral programs and data in use temporarily for quick access and primarily store it in RAM (Random Access Memory) Peripheral Devices ANSWER:It supports the input and output operations of the system. Three parts of CPU ANSWER:ALU (Arithmetic Logic Unit), Control Unit, and Processor Register Arithmetic Logic Unit (ALU) ANSWER:It contains circuitry that performs on data. Such as addition and subtraction Control Unit ANSWER:It contains circuitry coordinating the machine's activities Processor Register ANSWER:It contains data storage cells called registers Registers ANSWER: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) ANSWER:Holds the memory location of data that needs to be accessed. Memory Data Register (MDR) ANSWER:Holds data that is being transferred to or from memory RAM (Random Access Memory) ANSWER:Sometime referred to as primary or main memory. When the computer is off the data will be lost.