Information Technology Management Essentials - D075 (solutions provided)

Which type of computer runs a network operating system (NOS)? correct answers A server Which type of software is designed to easily generate Gantt charts? correct answers Project management software What term refers specifically to the physical aspects of a computer such as circuit boards, processor chips, memory, and keyboards? correct answers Hardware Which application software features tables, records, and fields that can be queried, updated, and managed by users, programmers, and business analysts? correct answers Database software Which term refers to any person in a business who uses a computer to complete their day to day tasks of the business? correct answers End-users What is the main purpose of a firewall? correct answers To prevent unauthorized users from accessing the network. A large company has decided to invest in new IT systems, including a new server. Which IT professional should be tasked with setting up and maintaining the server? correct answers Computer System Administrator A small business has a single network that allows every employee to connect through a central server when they are in the company's main office. What type of network is the business using? correct answers Local area network (LAN) What term refers to the study, design, development, implementation, support, and management of computer-based information systems? correct answers Information Technology An employee receives an email that appears to be from the IT department. The email asks the recipient to click a link to verify their username and password. Upon closer inspection, the employee realizes that the email is a fraudulent attempt to obtain their password. What type of fraud does this email represent? correct answers Phishing A data analyst is working with a very large set of data and trying to calculate the amount of data processing that needs to be completed each week. Which attribute of big data is this analyst addressing? correct answers Velocity ** relates to how many data are presented that need to be stored or processed over a given time period. Which tool allows large data sets to be stored and processed across multiple servers? correct answers Hadoop **an infrastructure for storing and processing large sets of data across multiple servers.