Intro to IT C182 Practice Test

Intro to IT C182 Practice Test With All Answers Correct Definition of IT IT is the technology used in creating, maintaining, and making information accessible as well as the people who supply and support the use and integration of Information Technology in an organization. Network Administrator Responsible for working with routers and switches Silicon Chips 1st in computers 3rd Generation 1-1 assembly Machine language SaaS Allows users to use a software application installed on a remote server IT's role in Globalization It allows companies to reach a wider customer base Desktop External flat screen monitor, optical disk drive, and a large capacity hard drive Productivity Software Word processor and spreadsheet program Computer peripherals connected through a port External microphone and USB flashdrive Information System Collection of information used to support management of an organization. Includes Networks and Databases Timestamp Data A website logs the timestamp, location, and browser of every visitor. Then it aggregates this content into peak traffic times and days, minimum and maximum hits for each country and region, and popularity of certain browsers among visitors. Processing vs Storage Involves temporary information. Storage involves permanent information. Virtual Machines Software emulator program that permits a computer user to used multiple computers and multiple platforms without the expense of purchasing multiple computers Peer-to-peer Each computer is roughly equal to every other computer Client-Server One computer will request information from another computer, which responds with requested information Operating System Allows the user to control the actions of the software, and though the software, to access hardware. Internet browsers displaying web pages requires support from OS. Linux OS Linux runs on both servers and workstations Proxy Servers Allows updates to the network server to improve internet access while blocking certain social media websites Cloud based application software provided by third parties Shareware Permits free temporary use followed by long-term activation for a fee End user license agreement Establishes the customer's right to use the software Proprietary vs Open-source software license Proprietary software has a cost whereas open-source software is free Copyright Gives the author of a software package the ability to prevent unauthorized duplication for at least 35 years Central Processing Unit Control Unit and Arithmetic Logic Unit Peripheral Devices Printer and Monitor HDMI port on a laptop 3 Heat Sink Motherboard component helps to cool the CPU Mesh Each network device is directly connected to every other networked device Radio Signals Communication medium typically used when sending data transmissions over a very long distance IP address Indicates specific internet location DNS Domain name system Translates human-readable aliases into IP addresses Resource Path ID Uniform Resource Locator (URL) identifies the location of the document on the server Availability for Assurance and Security Requires that information is accessible when needed Brute Force Technique uses all possible combinations of letters and numbers to crack a password Smart card two-factor authentication High level languages Use object-oriented programs Compiler Requires the components of the software to be defined from the onset Presentation Tier of an N-Tier architecture model interfaces are developed Controller Facilitates communication between the two components in the MVC architecture model Compiled and interpreted computer language A compiler translates an entire program into executable program, which can be run at a later time, while the interpreter does this incrimentally TCL & Python Two languages traditionally used for automation rather than software development Applications interdependent with databases. Algorithm Another term for a formula that outlines how to execute a task Role of drivers in facilitating communication between applications and databases They allow the application to interact with the database FROM SQL clause used to inform the database management system (DBMS) which tables should be interrogated by the query String Data type used to represent product order code that comprises alphanumeric characters. String Data is info compiled throughout time sorted by name and number Ensuring data support business goals to aid in making strategic decisions Intelligence located in DIKW hierarchy Knowledge Primary key Filed must contain unique value in order for a relational database table to function 3 main categories of databases Flat file, relational, hierarchical Database Administrator's Role in Security To institute protocols to protect the databases from external threats Batch Info processing that allows input data to be accepted as a set of records and processed units Purpose of the IT department Helps the organization achieve strategic goals Systems Administrator To install and maintain network resources. System administration is the process of maintaining the operating system of a computer system. Initiation Phase Risk Assessment Question Could the end user reject the outcome of the project? Planning Phase Estimations occur Scope Creep impacts allocation of resources for the project User Acceptance Type of systems testing that allows customers to test the systems in an operational setting to see if it's useful Pilot Systems conversion involves starting the conversion with a portion of the end users 2 necessary elements of business continuity planning Assessing key organizational activities and identifying risks that may occur Data mirroring Disaster recovery strategy used to save info to multiple hard drives at the same time Enabling File Encryption Supports confidentiality Security Breach Notification Laws Regulation governs the actions of a company in the case of data records being compromised, lost, or stolen Database Administrator Tasks will include installation, maintenance,