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WGU C182 FInal Exam Study Set
What is the definition of information technology? - correct answer//-It is the technology used to create, maintain, and make information accessible. Which IT position has the responsibillity of working with routers and switches? - correct answer//-Network Administrator In which generation were silicon chips first used in computers? - correct answer//-Third generation Which low-level language corresponds one to one with assembly? - correct answer//- machine language What allows an organization to use software through the internet? - correct answer//- Saas or Software as a Service What is one of IT's role in golobalization? - correct answer//-It allows companies to reach a wider customer base. Which category of computer has an external flat screen monitor, optical disk drive, and a large capacity hard drive? - correct answer//-Desktop Which two software application packages would be classified as productivity software? - correct answer//-Spreadsheet program and word processor Which two computer peripherals are connected to the computer through a port? - correct answer//-External microphone and USB flash drive Which term is defined as a collection of information used to support management of an organization? - correct answer//-Information system A website logs the timestamp, location, and browser of every visitor. It then 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. What is the timestamp considered in this scenerio? - correct answer//-Data a dept manager is creating a budget estimate for the upcoming year. The manager would like to determine whether the data will be available when the decision for the next year have to be made. Which characteristic of valuable data is the manager considering? - correct answer//-Reliable Which two are parts of an information system? - correct answer//-Databases and Networks.
What is the difference between processing and storage? - correct answer//-Processing involves temporary information, while storage involves permenant information. What type of information processing allows input data to be accepted as a set of records and processed as a unit? - correct answer//-Batch processing What is the role of the systems administrator? - correct answer//-To install and maintain network resources. Which action would be important for the IT department to take in order to help their business meet the goal of increased expansion? - correct answer//-Expanding the infrasturcture to support additional locations. What step should be taken by a business when a third-party solution is found that will benefit a project? - correct answer//-Contact the group to arrange a demo of their product. Which risk assessment question is part of the initiation phase? - correct answer//-Could the end users reject the outcome of the project? In what phase of a project does time estimation occur? - correct answer//-Planning What effect does scope creep have on a project? - correct answer//-It increases unplanned costs for the project. Which system requirement is an example of considering user needs in the design of an information system? - correct answer//-Allowing easy access to customer account information. Which type of systems testing includes having the customer test the system in an operational setting to see if it is useful? - correct answer//-User Acceptance Which type of systems conversion involves starting the conversion with a portion of end users? - correct answer//-Pilot What are two necessary elements of business continutiy planning? - correct answer//- Identifying risks that may occur Assessing key organizational activities. - correct answer//- Which disaster recovery strategy is used to save information to multiple hard drives at the same time? - correct answer//-Data mirrorring Which action would support confidentiality? - correct answer//-Updating security software.
What is the difference between proprietary and open-source software license? - correct answer//-Proprietary software has a cost whereas open - source software is free. Which two components are parts of a central processing unit? - correct answer//-Control Unit (CU) Arithmetic logic unit (AlU) - correct answer//- An employee needs to edit a contract and prepare a hard copy for a project team. Which two peripheral devices should be used? - correct answer//-printer monitor - correct answer//- Which motherboard component helps cool the cpu? - correct answer//-heat sink Which item is a storage device? - correct answer//-flash drive In which type of network topology is each networked device directly connectd to every other networked device? - correct answer//-Mesh Which communication medium is typically used when sending data transmissions over very long distances? - correct answer//-Radio signals What indicates a specific internet location? - correct answer//-The ip address Translates human readable aliases into IP addresses - correct answer//-domain name system (DNS) Which part of a Uniform Resource Locator identifies the location of the document on the server? - correct answer//-Resource path id Which goal of information Assurance (IA) requires that information is accessible when needed? - correct answer//-Availability Which technique uses all possible combination of letters and numbers to crack a password? - correct answer//-brute force which is a characterisc of high level languages? - correct answer//-language translator programs are required. how does a compiler work? - correct answer//-It requires the components of the software to be defined from the onset. On which tier of the n tier architecture model are user interfaces developed? - correct answer//-presentation
Which component facilitates communication between the other two components in the MVC architecture model? - correct answer//-controller What is the difference between a compiled and interpreted computer language? - correct answer//-compiler translates an entire program into executable progam which can be run at a later time, while the interpreter does this incrementally. Which two languages have traditionally been used for automation rather than software development? - correct answer//-TCL and Python because they are scripting languages Which is true of databases and the application that interact with them? - correct answer//-Applications are interdependent with the database. What is another term for a formula that outlines how to execute a task? - correct answer//-Algorithm What is the role of drivers in facilitating communication between application and databases? - correct answer//-They allow the ODBC to be used for interactions with the database and applications. Which sql clause is used to inform the database management system which table should be interrograted by the query? - correct answer//-FROM Which data type is used to represent product order code that comprises alphanumeric characters? - correct answer//-String data Why is it important to ensure that data support business goals? - correct answer//-To aid in making strategic decisions. In which category of the DIKW hierarchy would business intelligence be located? - correct answer//-Knowledge Which field must contain a unique value in order for a relational database table to function? - correct answer//-primary key What are the three main categories of databases? - correct answer//-Flat file, relational, and hierarchal What is the database administrators role in security? - correct answer//-To institute protocols to protect the databases from external threats. A single chip process developed in 1974 by IBM - correct answer//-microprocessor Over the years, the number of transisters that can be placed on a chip has increased by how much? - correct answer//-By orders of maginitude rather than linearly
Relies on a session and allows you to test out an idea because th ey are executed as they're written. - correct answer//-interpreter Requires that the componenets of the software all be defined from the onset and is considered to have more efficient code. - correct answer//-compiler What generation used vacuum tubes in computers? - correct answer//-first generation What generation of computers began to use transistors? - correct answer//-second what generation of computers introduced the silicon chip? - correct answer//-third what type of computer still uses silicon chips? - correct answer//-tablet What generation of computers introduced operating systems? - correct answer//-third What do integrated circuits need to function? - correct answer//-silicon chip a location beacon that uses bluetooth technology and can be embedded in any location aware mobile device. - correct answer//-iBeacons The myriad of types of devices that can and will be connected to the internet in the next few years. - correct answer//-the internet of things (IoT) What does RFID stand for? - correct answer//-Radio frequency identification device Refers to data sets that are so large and complex that they will require more advanced database management/processing tools than we currently use. - correct answer//-big data what cloud service provides access and use of software to businesses through the internet? - correct answer//-Saas or software as a service which form of cloud computing enables teams of developers to quickly and reliably develop and deliver applications by accessing the same environment in real-time. - correct answer//-Paas or Platform as a Service Which cloud service provides all the resources (servers, data storage) tha an IT dept needs ouside of the org making them accessible by anyone, anywhere - correct answer//-IaaS or Infrastructure as a Service Reduced costs - correct answer//- Increased speed of development of projects - correct answer//- The ability to quickly and easily scale operations. - correct answer//-
Less reliance on internal IT expertise. - correct answer//-Benefits of cloud computing What are the risks of cloud computing? - correct answer//-Org becomes dependent on the reliability and performance of a third party vendor. Adverse effects on internal IT employees. - correct answer//- Could raise concerns about data ownership and compliance issues. - correct answer//- Possible breach in security. - correct answer//- What are the main components in a computer? - correct answer//-CPU memory - correct answer//- input/output (i/o) system - correct answer//- bus - correct answer//- what does ipos stand for? - correct answer//-input, process, output, storage Includes all peripheral devices for input, output, storage and network. - correct answer//- i/o subsystem consists of long term storage devices - correct answer//-disk drives tapes - correct answer//- The device that permits information to move between each component. - correct answer//-The bus Also known as the chassis or cabinet. - correct answer//-The case of a computer The circuitry and electrical channels that enable communication among the electronic components. - correct answer//-the bus the printed circuit board that houses the cpu, memory chips, and expansion cards in any computer. - correct answer//-the motherboard also referred to as "the chip" - correct answer//-CPU Retrieves instructions and raw data (input) and manages the transmission of the instructions and data to the alu. - correct answer//-Control unit
software more specific towards artists and graphic designers - correct answer//-drawing software also referred to as horizontal software - correct answer//-productivity software Software used by select groups with an organization or to a specific discipline such as music sequencers, samplers, and digital recorders for muscians. - correct answer//- vertical software progams that make up the operating system and directly supports the computer system itself. - correct answer//-system software Pieces of the operating system that run in the background all of the time - correct answer//-daemons or services works with hardware to provide a network service, types of software includes web servers, email servers, and database servers - correct answer//-server software software stored on an individual computer - correct answer//-local application the ability to have computation anywhere at any time - correct answer//-ubiquitous computing Android, Chrom, and iOS are common operating systems for which type of computer? - correct answer//-mobile devices dedicated computers within a network whose function is to respond to network requests and provide a network service - correct answer//-server loaded when the computer is first booted, included components that handle process mgmt, resource mgmt, and memory mgmt - correct answer//-kernel sits on top of the hardware and is the interface between hardware and software - correct answer//-the kernel a piece of the operating system that provides specific interfaces between the OS running a computer and hardware. - correct answer//-device drivers an interface for the user that provides access to the kernel - correct answer//-the shell programs that allow the user to monitor and improve system performance - correct answer//-system utilities sometimes referred to as root or superuser - correct answer//-administrator account hat is the role of a web server - correct answer//-to respond to HTTP requests
What does http stand for? - correct answer//-hypertext transfer protocol Used in an organization to act as a giant cache of web pages that anyone in the organization has recently retrieved. - correct answer//-proxy server what type of server has the capability of blocking specific servers and rejecting responses that contain certain content? - correct answer//-proxy server permits database access across a network. Performs tasks such as data analysis, data manipulation, security, and archiving. - correct answer//-database server like a web server, this server host files and allows clients to access those files. However, it instead provides access in the form of uploading and downloading files. - correct answer//-ftp server a computer with a large hard disk storing files that any or many users of the network may wish to access. - correct answer//-file server data that has been processed - correct answer//-information in the dikw, what is data? - correct answer//-data is the input directly received by human or computer. in dikw, what is information? - correct answer//-information is inferred from data, meaning that one or many processes have been applied to the data to tranform it into a more useful form. in dikw, what is knowledge? - correct answer//-refined information that hte user of the knowledge is able to call forth only relevant portions of information when needed. in dikw, what is wisdom? - correct answer//-having both knowledge and experience which characteristic of quality data requires data being used to be applied directly to the decision being made. - correct answer//-relevance characateristic of quality data where data is provided efficiently and on time so that companies can utilize it in their business. - correct answer//-timely characteristic of quality data whereas data must be complete and not contain errors or lapses of data. - correct answer//-thorough characteristic of quality data whereas data is captured once only, where possible, and captured as close to the point of activity as possible. - correct answer//-accurate
software that has been moved into the public domain and are made available as executables. - correct answer//-public domain software created in the open source community and made freely available as source code - correct answer//-open source protects an original work, but no the ideas behind the work - correct answer//-copyright excluse right to make copies, prepare derivative works, and distribute copies of the work for the duration of the author's life plus 70 years. - correct answer//-copyright
