WGU Intro to IT 1

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 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.

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.

Which two are both types of scripting languages?

ASP & Python

A local area network (LAN)

Allows hardware sharing within one office

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 would NOT be the responsibility of the system administrator?

Answering e-mails from potential customers.

Which type of software includes programs such as Microsoft Word and PowerPoint?

Application

A company's ability to recover after a disaster is directly related to which of the following?

Business continuity plan

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.

Why is it essential to know what information will be needed from the database from the outset of development? Select all that apply.

By knowing the purpose, the developer can determine how many fields are needed in the database. The developer can determine which data types would help fulfill the purpose. The purpose determines the structure of the database.

In 2nd generation computers, which of the following high-level programming languages was created to be business-oriented?

COBOL

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

The __________________ is the electronic circuit responsible for executing computer program instructions.

Central Processing Unit

The team will write a final report detailing the processes and outcomes of the project in which project phase?

Closing

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.

What is an advantage of outsourcing?

Cost-effective if time is constrained

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

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 best describes a hierarchical database format?

Data are modeled using parent-child relationships.

A ____________ is also known as a datasheet.

Database Table

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

________, sometimes referred to as middleware, facilitate the communication of hardware and software.

Device driver

Learning about social engineering and how to protect passwords is

Education

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 database structure format organizes data using a tree-like or organizational chart type structure (i.e. parent-child structure).

Hierarchal

Which of the following are the three main categories of databases?

Hierarchical , Flat File, Relational

A scanner is a peripheral device for what system?

I/O (input/output)

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

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)

What is the correct order of project phase for Project Management?

Initiation, Planning, Executing, Closing

What is another term that defines a script?

Interpreted program

In a SQL query, the __________ operation combines two tables together?

JOIN

All of the following are compiled languages except for:

Javascript

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?

Knowledge

All of the following are parts of a URL except for:

LAN

In a __________ shell forward slash (/) is used to express directory paths?

Linux

Which of the following would NOT require the use of a network?

Loading a statistical program on your personal computer.

A program written in a high-level language must be converted into __________ code to be executed by the computer.

Machine language

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 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.

This type of software is made freely available as source code.

Open source software

What is a program that will allow a computer to easily access the hardware and software of the computer system?

Operating system

__________ uses the concept of reflection of light through a core made up of glass or plastic.

Optical wire

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)

Which project phase consists of determining the objectives and activities, organizing the activities, and estimating the time and costs?

Planning

During this phase of Project Management, the projects scope and project management plan are defined.

Planning phase

What external component will allow peripherals to be connected to the system unit and connect additional input, output, storage, and communication devices?

Ports

Which is found on the motherboard and stores information, but the information is not permanent?

RAM

___________ is ephemeral, meaning data stored is lost when the computer is powered off.

RAM

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

Which device permits packet switching so that a message can be routed to the next link in a network?

Router

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.

SELECT

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 clause

________________ is a general term that describes any attack that takes advantage of humans' trusting nature.

Social engineering

In this network topology ALL devices have a single point-to-point connection with a central device.

Star

Which of the following types of information present a threat to someone's privacy?

Student ID and credit card numbers

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 best describes the Internet?

The Internet is a global network of networks

Which of the following statements best represents the relevant characteristic of quality data?

The data used applies to the question being answered.

The scope of the project is considered what?

The work that needs to be done

During which generation did computers begin to see widespread use in business?

Third generation

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 _______ includes the protocol, domain, and all subdomains, as well as the resource path ID and name of the document.

URL

Which of the following are operations used to alter the data within a relation of a database?

Update , Delete , Insert

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

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

The role of a ______ ______ is to respond to requests most typically come from web browsers, such as HTTP

Web server

Which of the following would NOT be considered hardware?

Word processor

This server addresses protocols such as: IMAP, POP3, SMTP, HTTP, MAPI, and MIME?

eMail server

Which software is run automatically rather than by the end user?

System Software

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