Practice exam Flashcards
The _____ keyword in SQL is used to inform the DBMS of the specific criteria the data should match to be returned as the output of the query.
WHERE clause
Which of the following best describes the purpose of expansion slots in modern computers?
Expansion slots allow additional cards to be connected to the motherboard that interface with peripheral devices.
This type of software is made freely available as source code.
Open source software
Marcus has a summer job working at a real estate agency. He is entering client addresses into the company’s computer system. At which stage of the DIKW hierarchy is Marcus working?
Data
Which of the following is/are true of the IPOS cycle?
Once words, numbers or images are entered, a computer processes the data into useable information that can then be accessed to answer questions or meet specific needs.
Which of the following statements best represents the relevant characteristic of quality data?
The data used applies to the question being answered.
Which of the following best describes the differences between memory and the hard drive?
Memory stores instructions and data used by programs in the moment; whereas a hard drive stores data, programs, and files that can be accessed at a future time.
Which of the following would NOT be considered hardware?
Word processor
What is the correct order of project phase for Project Management?
Initiation, Planning, Executing, Closing
In the _______ phase of the SDLC (system development life cycle), architects think about the components that they would need to solve the problem or implement the plan.
Design
A program written in a high-level language must be converted into __________ code to be executed by the computer.
Machine
Which type of software includes programs such as Microsoft Word and PowerPoint?
Application
Which software is run automatically rather than by the end user?
System Software
This type of database is the most common format for storing data as it provides users with a great deal of flexibility, allowing for multiple tables.
Relational
________________ is a general term that describes any attack that takes advantage of humans’ trusting nature.
Social engineering
What is a program that will allow a computer to easily access the hardware and software of the computer system?
Operating system
What external component will allow peripherals to be connected to the system unit and connect additional input, output, storage, and communication devices?
Ports
Which of the following is an accurate definition of a computer system?
A computer system is a collection of hardware and software components that work together to meet the needs of the user.
In this phase of testing the system is given to a segment of end users for testing from their perspective before the final version is released.
Beta
A scanner is a peripheral device for what system?
I/O
Which project phase consists of determining the objectives and activities, organizing the activities, and estimating the time and costs?
Planning
The scope of the project is considered what?
The work that needs to be done
With ________ an IT department resources (i.e. servers, data storage) are located outside of the organization and are accessible by anyone, anywhere.
IaaS (Infrastructure as a Service)
During which generation did computers begin to see widespread use in business?
Third generation
Learning about social engineering and how to protect passwords is ___.
Education
In 2nd generation computers, which of the following high-level programming languages was created to be business-oriented?
COBOL
Which two are both types of scripting languages?
ASP and Python
As a new sales manager, Edgar is studying the historical and current sales report numbers to determine the top three salespersons of the year. At which stage of the DIKW hierarchy is Edgar working?
Information
What is an advantage of outsourcing?
Cost-effective if time is constrained
The _______ keyword in SQL is used to inform the DBMS what fields or attributes are of interest (and where they are located, i.e. which table/relation they can be found in).
SELECT
What is the definition of business intelligence?
Business intelligence is a term used to reflect the knowledge a business can create by analyzing data gathered from multiple sources.
The _______ includes the protocol, domain, and all subdomains, as well as the resource path ID and name of the document.
URL
Which of the following is an example of a relational database?
A database containing student records with fields such as Student ID, First Name, Last Name, Major, GPA that links to other databases in the University’s system.
An operating system will write and change data to multiple hard drives at the same time so that if something happens to one hard drive, another hard drive is available to speed up data recovery. This statement best describes which of the following?
Data mirroring
Which of the following are the three main categories of databases?
Hierarchical , Flat File, Relational
This form of cloud computing is offered as a service by some major organizations, such as Amazon and Google, and used extensively by app developers. Its intent is to be able to quickly and reliably develop and deliver applications
PaaS (Platform as a Service)
What is another term that defines a script?
Interpreted program
__________ uses the concept of reflection of light through a core made up of glass or plastic.
Optical wire
A company’s ability to recover after a disaster is directly related to which of the following?
Business continuity plan
Which of the following would NOT be the responsibility of the system administrator?
Answering e-mails from potential customers.
Which of the following types of information present a threat to someone’s privacy?
Student ID and credit card numbers
This server addresses protocols such as: IMAP, POP3, SMTP, HTTP, MAPI, and MIME?
eMail server
Which of the following would NOT require the use of a network?
Loading a statistical program on your personal computer.
___________ is ephemeral, meaning data stored is lost when the computer is powered off.
RAM
What is the definition of a Platform as a Service (PaaS)?
A Platform as a Service is the ability to quickly and consistently develop and deliver applications.
Which is found on the motherboard and stores information, but the information is not permanent?
RAM
The team will write a final report detailing the processes and outcomes of the project in which project phase?
Closing
Which of the following aligns IT goals and organization goals?
IT goals include cloud computing and organization goals include real-time communication to contain costs while scaling quickly
In a SQL query, the __________ operation combines two tables together?
JOIN
Which of the following best describes the Internet?
The Internet is a global network of networks.
Which device permits packet switching so that a message can be routed to the next link in a network?
Router
A ____________ is also known as a datasheet.
Database Table
The ______ keyword in SQL is used to inform the DBMS what tables are to be interrogated by the query and, if more than one table contains the data of interest, how they are to be combined or joined.
FROM
Select the statement that best describes the difference between software and hardware.
Computer software is developed by writing a program using programming language whereas computer hardware is the physical components such as memory modules and disk drives.
The role of a ______ ______ is to respond to requests most typically come from web browsers, such as HTTP
web server
The role of a ______ ______ is to respond to requests most typically come from web browsers, such as HTTP
web server
Which of the following statements best describes the difference between information systems and information technology?
An information system does not have to use computer hardware; whereas information technology requires the use of hardware and software.
Which of the following best describes a hierarchical database format?
Data are modeled using parent-child relationships.
During this phase of Project Management, the projects scope and project management plan are defined.
Initiation phase
Which of the four main components of a computer is described by this statement: This component executes all of the arithmetic and logic operations and is responsible for controlling (commanding) all of the components in the computer.
CPU
During _______ users test the system in an operational setting to make sure the system continues to align with business objectives and meet the goals of the stakeholders.
User Acceptance Testing
Which of the following are operations used to alter the data within a relation of a database?
Update, Delete, Insert
A local area network (LAN)
Allows hardware sharing within one office
In this network topology ALL devices have a single point-to-point connection with a central device.
STAR network
All of the following are parts of a URL except for:
LAN
This database structure format organizes data using a tree-like or organizational chart type structure (i.e. parent-child structure).
Hierarchal
In a __________ shell forward slash (/) is used to express directory paths?
Linux
Which of the following statements best defines the CPU?
The CPU controls the speed at which instructions are retrieved and processed in the computer.
Which of the following is the correct function of the compiler?
Translates the entire program, creating an executable program, which can be run at a later time.
The __________________ is the electronic circuit responsible for executing computer program instructions.
Central Processing Unit
