Test Answers on MIS exam 4 – Flashcards
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Data, instructions, and information travel along transmission media in either analog or digital form, depending on the transmission media.
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true
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____ is provided by applications such as email, FTP, browser, discussion boards, chat rooms, Internet messaging, videoconferencing, and VoIP.
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Communications software
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Which of the following statements best describes a BAN?
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a set of wearable or implanted body sensors that turns the body into a human router
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Which of the following is a transmission media on which data, instructions, or information travel?
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communications travel
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What is a receiving device?
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a device that accepts the transmission of data, instructions, or information
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Only small networks use routers.
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false
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What is the approximate distance most Bluetooth devices can be from each other to communicate, without using additional equipment?
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33 feet
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Which of the following has the fastest transfer rate?
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ATM
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Your school computer library has a network that connects computers and devices within a few small rooms. What type of network does it likely use?
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LAN
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Infrared (IR) is a wireless transmission medium that sends signals using infrared light waves.
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true
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Which of the following terms is an electrical disturbance that can degrade communications?
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noise
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Which of the following has the fastest maximum transfer transmission rate?
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UWB
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Which of the following technologies is the new tollbooth on the local highway most likely to use?
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RFID
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How many feet can the range of Bluetooth devices be extended with additional equipment?
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325 ft
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ISDN and DSL are more widely used than cable.
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false
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A MAN typically includes one or more WANs like those shown in the accompanying figure, but covers a smaller geographic area than a LAN.
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false
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Which of the following defines how a network uses close-range radio signals to communicate between two devices or objects equipped with this technology?
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NFC
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Which of the following is a wireless transmission medium that distributes radio signals through the air over long distances?
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broadcast radio
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Which of the following is the maximum transfer transmission rate for communications satellites?
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2.56 Tbps
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Contactless payment is a popular use of UWB technology.
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true
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Which of the following can be avoided if a computer or mobile device has a motherboard that integrates networking capability?
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NIC
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A DSL modem converts digital signals to analog signals and vice versa so that data can travel along an analog phone line.
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false
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With FTTP service, an optical terminal at your location receives the signals and transfers them to a router connected to a computer.
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true
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Which of the following is not an application of communications satellite technology?
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a fixed wireless
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What is another term for an Internet peer-to-peer network?
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a file sharing network
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In a networked environment, no authorized computer user can access data and information stored on other computers on the network.
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false
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In reference to computer communications, what does the term noise mean?
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electrical disturbances
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The star topology is primarily used for LANs but it is also used in WANs.
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false
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Your smartphone, digital camera, and printer are all part of a network in your workspace. What type of network is likely in use?
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PAN
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What type of media transmits multiple signals simultaneously?
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broadband
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Which of the following is true of the installation of a network like the one shown in the accompanying figure?
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It must have built-in wireless capability or the appropriate wireless network card, USB adapter, or other wireless device
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Which of the following is the data transfer rate equivalent to one million bits per second?
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Mbps
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Wireless access points have high-quality antennas for optimal signals.
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true
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A MAN usually is managed by a consortium of users or by a single network provider that sells the service to the users.
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true
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The fifth generation of cellular transmissions is expected to provide artificial intelligence capabilities on wearable devices.
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true
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You are a technology expert and you have been asked to predict which technology will become the Internet standard for data transmission, replacing T3 lines. Which of the following are you most likely to predict?
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ATM
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Which of the following technologies is your new remote control most likely to use?
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IrDa
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What term is used to describe the time it takes a signal to travel from one location to another on a network?
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latency
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Which of the following statements is NOT true about multidimensional databases?
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Most multidimensional databases use a standard query language.
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One application that uses multidimensional databases is an object-oriented database.
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false
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The graphical interface, called a fourth-generation language, allows system developers to drag and drop objects to build programs and apps.
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false
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A macro is a series of statements that instructs a program or app how to complete a task.
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true
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Which of the following is a number(s) or character(s) that is appended to or inserted into a primary key field?
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check digit
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In what kind of recovery does the DBMS use the log to reenter changes made to a database since the last save or backup?
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forward
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What is the process of presenting data graphically as charts, maps, or other pictorial formats in order to understand the resulting information easily?
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data visualization
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Which of the following is a request for specific data from a database?
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query
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What is the process of comparing data with a set of rules or values to determine if the data meets certain criteria?
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validation
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It often is easier and faster to develop programs that use the database approach.
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true
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Compared with relational databases, which of the following is true of object-oriented databases?
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they store data in objects
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A DBMS uses which of the following to perform validation checks?
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data dictionary
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What is the term for a collection of data organized in a manner that allows access, retrieval, and use of that data?
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a database
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What is another term used for data dictionary?
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a repository
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Metadata describes the widespread growth of data, the variety of formats in which this data is available, and the processing required to make this data accessible in a timely manner.
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false
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In a file processing system, each department or area in an organization shares files collectively.
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false
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DBMSs that maintain inactive data for an extended period of time seldom flag records.
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false
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Which term describes a huge database that stores and manages data required to analyze historical and current transactions?
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data warehouse
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Which term does a user of a relational database use to refer to a file?
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table
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Which of the following is a collection of data organized in a manner that allows access, retrieval, and use of that data?
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database
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Information literacy prepares students, employees, and citizens to manage information so that they can be knowledgeable decision makers.
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true
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Large enterprises often hire teams of consultants to offer advice about technology-related concerns.
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true
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Which of the following is the application of human intelligence to computers?
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artificial intelligence
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Which of the following helps salespeople manage customer contacts, schedule customer meetings, log customer interactions, manage product information, and place customer orders?
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SFA
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Which of the following has meaning to the person who receives it?
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useful information
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A cloud architect works closely with users to analyze their requirements, designs and develops new information systems, and incorporates new technologies.
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false
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Which of the following manages one or more administrative human resources functions?
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Human Resources Information System (HRIS)
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In most circumstances, the licensed software owner can make multiple copies of software, for back up or to share with other users.
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false
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The designers of webpages are known as web developers.
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true
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What does a Project Management Professional (PMP) test evaluate?
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knowledge of tasks required during system development
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Some security certifications relate specifically to the area of digital forensics.
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true
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Obtaining an advanced certification in networking implies that you have achieved a standard of competence, enabling you to address the complex issues that arise when planning, installing, managing, and troubleshooting an operating system.
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false
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Which of the following allows for storage and management of a company's documents?
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DMS
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Photo identification is a form of which type of information?
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verifiable
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A database designer installs and maintains operating system software and provides technical support to the programming staff
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false
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What is NOT an advantage of ERP?
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supports access control, security, version tracking of documents
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Data analysis certifications focus on the discovery, collection, and analysis of evidence on computers and networks.
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true
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Which of the following identifies business requirements, strategies, and solutions for cloud storage and services that meet a company's goals or needs?
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cloud architect
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Cisco, Novell, Sun, and others offer certifications that test knowledge of installing, configuring, operating, and administering which of the following?
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networks
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Only if you are currently employed, may you find a career planning website useful.
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false
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Which of the following are programs that analyze data, such as those in a decision support system?
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OLAP
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A help desk technician answers technology-related questions in person, on the phone, or via email or an online chat room.
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true
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A mix-app combines features of native and mobile web apps.
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false
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Like native apps, hybrid apps are developed for specific platforms and deployed to an app store.
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false
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IBM, Microsoft, Novell, RedHat, Sun, and others offer certifications that test knowledge of what?
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operating systems
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Which of the following is a description of a database analyst?
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uses data modeling techniques and tools to analyze and specify data usage
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Which of the following manages one or more administrative human resources functions?
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Human Resources Information System (HRIS)
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Which of the following prepares students, employees, and citizens to manage information so that they can be knowledgeable decision makers?
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information literacy
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Which of the following is well versed in HTML5, JavaScript, and CSS?
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web designer
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Whether you are seeking a new job or currently are employed, which of the following websites is NOT useful?
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instagram
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Which of the following allows hiring managers to learn more about you beyond what you can convey in a traditional one-page paper resume?
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professional online presence
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Which of the following helps users analyze information and make decisions?
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DSS
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Very few for-profit and nonprofit companies and organizations have been affected by malware intrusions into their point-of-sale systems.
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false
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What does a Project Management Professional (PMP) test evaluate?
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knowledge of tasks required during system development
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Which type of test is used to verify that all programs in an application work together properly?
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systems
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Which of the following controls production equipment, such as drills, lathes, and milling machines?
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CAM
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It is good practice to back up and wipe all data before turning over your computer or device to an IT or computer repair technician.
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true
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Which of the following is NOT taught by corporate trainers?
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how to set up a Facebook account
