IS 201 Midterm

Which of the following is an advantage of Worldwide Interoperability for Microwave Access (WiMAX)? a. It incurs low costs. b. It is fast and easy to install. c. It requires little power. d. It is unaffected by weather conditions.

CD-ROMs and DVDs are examples of _____. a. magnetic disks b. magnetic tapes c. main memory devices d. optical discs

In the context of virtual reality (VR) technology, the main technology used in an exocentric environment is _____. a. QR code b. nanotechnology c. WiMAX d. 3D graphics

To begin designing a relational database, one must define the _____ by defining each table and the fields in it. a. physical structure b. foreign key c. logical structure d. primary key

A _____ is the software that acts as an intermediary between two systems. a. backdoor b. proxy server c. Trojan program d. database

The purpose of an information system's _____ component is generating the most useful type of information for making decisions. a. external data b. database c. internal data d. process

A(n) _____ is a matrix barcode consisting of black modules arranged in a square pattern on a white background. a. QR (quick response) code b. telepen code c. radio frequency identification (RFID) tag d. latent image barcode

In a data warehouse, _____ means collecting data from a variety of sources and converting it into a format that can be used in transformation processing. a. loading b. transformation c. extraction d. aggregation

Which of the following forms of text used in an encryption algorithm is unreadable without a decryption key? a. Codetext b. Plaintext c. Ciphertext d. Cleartext

In the context of virtual reality (VR) technology, _____ refers to allowing users in different locations to interact and manipulate the same world at the same time by connecting two or more virtual worlds. a. networked communication b. interaction c. full-body immersion d. telepresence

Managers could use a _____ to assess the effect on final product costs of a nine percent increase in raw materials. a. financial information system b. human resource information system c. marketing information system d. manufacturing information system

A(n) _____ is an interface between a computer and a printer that enables the computer to transfer multiple bits of information to the printer simultaneously. a. expansion slot b. control unit c. serial port d. parallel port

Online brokerage firms operate in a highly combative and ambitious environment, so they use information technologies to make their services more unique in order to combat _____. a. supplier power b. rivalry among existing competitors c. buyer power d. the threat of new entrants

Worldwide Interoperability for Microwave Access (WiMAX) is designed for wireless _____. a. metropolitan area networks (MANs) b. local area networks (LANs) c. wide area networks (WANs) d. personal area networks (PANs)

In a(n) _____ data model, each record can have multiple parent and child records. a. operations b. hierarchical c. network d. relational

A _____ attack floods a network or server with service requests to prevent legitimate users' access to the system. a. backdoor b. phishing c. denial-of-service d. social engineering

In a(n) _____ file, each alphabetic, numeric, or special character is represented with a 7-bit binary number. a. ASCII b. EBCDIC c. Unicode d. extended ASCII

A write once, read many (WORM) disc is a common type of _____. a. read-only memory (ROM) b. magnetic storage c. random access memory (RAM) d. optical storage

The _____ of a data model defines the boundaries of a database, such as maximum and minimum values allowed for a field. a. operations b. file structure c. integrity rules d. data structure

Microsoft Access is an example of _____ in an information system. a. external data b. knowledge base management system c. internal data d. database management system

A(n) _____ is often used, so remote users have a secure connection to an organization's network. a. terminal resource network b. intrusion detection system c. biometric security system d. virtual private network

Data in a data warehouse can be differentiated from data in a database in that the former _____. a. is used for capturing and managing transactions b. only keeps recent activity in memory c. is focused on a specific area d. captures raw transaction data

A _____ is a collection of data from a variety of sources used to support decision-making applications and generate business intelligence. a. data pattern b. data warehouse c. data mine d. data dictionary

The _____ component of a virtual reality (VR) system is an input device that captures and records movements of a user's feet as the user turns in different directions. a. fuzzy logic b. kernel c. crawler d. walker

Data warehouses are sometimes called "hypercubes" because they_____. a. are function oriented b. capture raw transaction data c. store multidimensional data d. manage transactions

The _____ component is responsible for data storage, manipulation, and retrieval. a. data definition b. data administration c. database engine d. application generation

Which of the following is considered an intentional security threat? a. Backdoors b. A user's accidental deletion of data c. Floods d. Power outages

The most common technology used with an egocentric virtual environment is _____. a. software as a service (SaaS) b. nanotechnology c. a head-mounted display (HMD) d. 3D graphics

An advantage of silicon over gallium arsenide is that: a. it is less fragile than gallium arsenide. b. it emits light, whereas gallium arsenide does not. c. it survives much higher doses of radiation than gallium arsenide. d. it withstands higher temperatures than gallium arsenide.

In the context of computer and network security, _____ means that a system must not allow the disclosing of information by anyone who is not authorized to access it. a. validity b. confidentiality c. integrity d. availability

Read-only memory (ROM) is different from random access memory (RAM) in that: a. it is nonvolatile memory. b. it is volatile memory. c. it is a secondary memory. d. it is a read-write memory.

_____ are an external data source of an information system. a. Personnel records b. Inventory reports c. Sales records d. Labor statistics

The _____ view of a database involves how data is stored on and retrieved from storage media. a. logical b. physical c. analytical d. rational

In grid computing, each participant in a grid is referred to as a _____. a. branch b. node c. cell d. tag

Which of the following is a type of access control used to protect systems from unauthorized access? a. Passwords b. Firewalls c. Identification badges d. Steel encasements

Nanotechnology incorporates techniques that involve the structure and composition of materials on a _____. a. nanoscale b. nanobyte c. nanometer d. nanoframe

The variety dimension of big data refers to a combination of _____. a. raw data and metadata b. structured data and unstructured data c. data definition and data manipulation d. data warehouse and data mart

The _____ component of a database management system (DBMS) is used to create and maintain the data dictionary. a. application generation b. data manipulation c. data definition d. data administration

Which of the following is a nonbiometric security measure? a. Passwords b. Electronic trackers c. Firewalls d. Signature analysis

In accordance with Porter's Five Forces model, _____ power is high when customers have fewer options and low when customers have more options. a. prospect b. user c. supplier d. buyer

Which of the following components of a data model describes methods and calculations that can be performed on data, such as updating and querying data? a. File structure b. Integrity rules c. Data structure d. Operations

Which of the following is a biometric security measure? a. Signature analysis b. Firewalls c. Electronic trackers d. Passwords

In a relational data model, a(n) _____ operation searches data in a table and retrieves records based on certain criteria. a. join b. find c. select d. insert

Which of the following issues is faced by application service providers (ASPs)? a. Compatibility issues b. Inflexibility c. Lack of portability d. Privacy issues

_____ is one of the strategies of Michael Porter's three strategies for successfully competing in the marketplace. a. Groupthink b. Emotion c. Focus d. Simulation

A level 2 security system protects _____. a. Web servers b. e-mail servers c. corporate networks d. back-end systems

A logic bomb is a type of _____. a. blended threat b. backdoor c. worm d. Trojan program

Extended ASCII data code allows representation of _____ characters. a. 1042 b. 265 c. 1024 d. 256

A level 3 security system focuses on protecting _____. a. front-end servers b. corporate networks c. users' work stations d. back-end systems

One of the disadvantages of silicon is that: a. it cannot emit light. b. it is very soft and fragile. c. it cannot be used for mass production of silicon devices. d. it is very expensive.

In designing a management information system, the first task is to define the system's _____ clearly. a. hardware components b. users c. objectives d. database

The _____ component of a database management system (DBMS) is used for tasks such as backup and recovery, security, and change management. a. data administration b. data manipulation c. data definition d. application generation

Transistors were the major technology used during the _____ generation of computers. a. fourth b. third c. second d. first

_____ are usually placed in front of a firewall and can identify attack signatures and trace patterns. a. Intrusion detection systems b. Biometric security measures c. Physical security measures d. Proxy servers

Java and C++ are _____ languages. a. assembly b. second-generation computer c. machine d. high-level

A typical PDA includes a(n) _____. a. calendar b. external monitor c. external keyboard d. mouse

The _____ dimension of big data refers to the sheer quantity of transactions, measured in petabytes or exabytes. a. volume b. velocity c. viscosity d. variety

Which of the following technologies could be used to prevent one coworker from checking in for another in an organization? a. Bluetooth b. Grid computing c. Biometrics d. Nanotechnology

A level 1 security system is used to protect _____ against unauthorized access. a. corporate networks b. users' work stations c. internal database servers d. front-end servers

One major obstacle to using virtual reality (VR) technology is that not enough _____ are currently available to carry out the data transmissions needed for a VR environment capable of re-creating a conference. a. nanomaterials b. avatars c. fiber optic cables d. quick response codes

One advantage of grid computing is _____, meaning more nodes can be added for additional computing power without affecting the network's operation. a. improved reliability b. immersion c. scalability d. simulation

A _____ is a peripheral device for recording, storing, and retrieving information. a. disk drive b. multiprocessor c. motherboard d. control unit

In the context of computer and network security, _____ refers to the accuracy of information resources within an organization. a. integrity b. availability c. confidentiality d. validity

In comparison to a flat file system, in a database, _____. a. complex requests can be difficult to handle b. more sophisticated security measures can be seen c. more storage space is required d. programs and data are interdependent

The _____ approach to setting up a distributed database management system (DDBMS) combines fragmentation and replication. a. optimization b. allocation c. encapsulation d. normalization

A(n) _____ encryption usually works better for public networks, such as the Internet. a. asynchronous b. symmetric c. asymmetric d. synchronous

Data sent through a virtual private network (VPN) can be encrypted using the _____ protocol. a. User Datagram b. Layer Two Tunneling c. Secured Sockets layer d. Transmission Control

A(n) _____ operation pares down a table by eliminating columns according to certain criteria a. project b. insert c. find d. join

Which of the following is an advantage of application service providers (ASPs)? a. ASPs ensure that applications fully meet an organization's needs. b. ASPs make certain that software is kept up to date, based on users' requests. c. ASPs offer software customized to users' needs. d. ASPs allow integration with a customer's other applications and systems easily.

Business analytics uses _____ to support decision-making activities. a. OLAP b. data mining tools c. dashboards d. query reports

The four Ms of resources are _____. a. materials, money, modeling, and monitoring b. manpower, machinery, materials, and money c. management, motivation, manpower, and monitoring d. manpower, monitoring, movement, and modeling

Network administrators use _____ technology to get antivirus updates to be automatically downloaded on employees' workstations. a. SaaS b. push c. pull d. virtual reality

In _____ encryption, the same key is used to encrypt and decrypt a message. a. asymmetric b. synchronous c. symmetric d. asynchronous

Future progress in _____ includes further development in natural language processing that should make information systems easier to use. a. artificial intelligence b. computer literacy c. computer criminals d. personal computing power

Bluetooth can be used to create a _____, to communicate among computerized devices. a. personal area network (PAN) b. metropolitan area network (MAN) c. wide area network (WAN) d. local area network (LAN)

The output of an information system is _____. a. information b. a process c. data d. a database

Similar to phishing, _____ is directing Internet users to fraudulent Web sites with the intention of stealing their personal information, such as Social Security numbers, passwords, bank account numbers, and credit card numbers. a. cybersquatting b. sniffing c. pharming d. spoofing

With _____ technology, a Web server delivers information to users who have signed up for this service instead of waiting for them to request the information be sent to them. a. CAVE b. radio frequency identification c. pull d. push

_____ are an example of internal source of data for an information system. a. Competitors b. Population statistics c. Personnel records d. Economic conditions

The _____ operator is used when all the conditions in a query by example (QBE) form are required to be met. a. AND b. OR c. MIS d. NOT