D322 Introduction to IT Questions & Answers!!

The team will write a final report detailing the processes and outcomes of the project in which project phase? -ANSWER Closing As a new sales manager, Edgar is studying the historical and current sales report numbers to determine the top three salespersons of the year. At which stage of the DIKW hierarchy is Edgar working? -ANSWER Knowledge A scanner is a peripheral device for what system? -ANSWER I/O In a SQL query, the __________ operation combines two tables together? -ANSWER JOIN An operating system will write and change data to multiple hard drives at the same time so that if something happens to one hard drive, another hard drive is available to speed up data recovery. This statement best describes which of the following? -ANSWER Data mirroring Which of the following statements best defines the CPU? -ANSWER The CPU controls the speed at which instructions are retrieved and processed in the computer. Which two are both types of scripting languages? -ANSWER Ruby and Python The ______ keyword in SQL is used to inform the DBMS what tables are to be interrogated by the query and, if more than one table contains the data of interest, how they are to be combined or joined. -ANSWER FROM What is the definition of a Platform as a Service (PaaS)? -ANSWER A Platform as a Service is the ability to quickly and consistently develop and deliver applications. Which project phase consists of determining the objectives and activities, organizing the activities, and estimating the time and costs? -ANSWER Planning In the _______ phase of the SDLC (system development life cycle), architects think about the components that they would need to solve the problem or implement the plan. -ANSWER Design The _____ keyword in SQL is used to inform the DBMS of the specific criteria the data should match to be returned as the output of the query. -ANSWER WHERE clause In this network topology ALL devices have a single point-to-point connection with a central device. -ANSWER STAR network Which of the following best describes the Internet? -ANSWER The Internet is a global network of networks. Which of the following would NOT require the use of a network? -ANSWER Loading a statistical program on your personal computer. Which of the following statements best describes the difference between information systems and information technology? -ANSWER An information system does not have to use computer hardware; whereas information technology requires the use of hardware and software. What is the definition of business intelligence? -ANSWER Business intelligence is a term used to reflect the knowledge a business can create by analyzing data gathered from multiple sources. What is the correct order of project phase for Project Management? -ANSWER Initiation, Planning, Executing, Closing Which of the following types of information present a threat to someone's privacy? -ANSWER Student ID and credit card numbers ___________ is ephemeral, meaning data stored is lost when the computer is powered off. -ANSWER RAM Which of the four main components of a computer is described by this statement: This component executes all of the arithmetic and logic operations and is responsible for controlling (commanding) all of the components in the computer. -ANSWER CPU The role of a ______ ______ is to respond to requests most typically come from web browsers, such as HTTP -ANSWER Web server The __________________ is the electronic circuit responsible for executing computer program instructions. -ANSWER Central Processing Unit Which of the following is