IT)Already Passed!!.
Information Technology - Correct answer-The technology used in creating, maintaining, and making
information accessible.
IT Professional Roles - Correct answer-Administration and Support
System Administrator - Correct answer-Maintains all aspects of the system including hardware,
software, and programming.
Network Administrator - Correct answer-In charge of all aspects of the computer network
Database Administrator - Correct answer-Focuses on the design, development, and support of database
management systems (DBMSs).
Security Administrator - Correct answer-Installs, configures, and administers firewall security to protect
systems and proactively work to stop intrusions.
Web Administrator - Correct answer-Installs, configures, maintains, secures, and troubleshoots web
severs.
,Knowledge - Correct answer-Knowledge is a dynamic combination of experience, values, contextual
information, expert insight, and grounded intuition that provides an environment and framework for
evaluating and incorporating new experiences and information.
Wisdom - Correct answer-Wisdom is knowing the right thing to do.
Data - Correct answer-Data is raw facts or observations.
Information - Correct answer-Information is a collection of processed data from a variety of sources.
Information Systems - Correct answer-Information systems are collections of data and information used
to support decision-making in organizations.
IaaS - Correct answer-The Infrastructure as a service (IaaS) model provides access in a virtualized
environment and the computing resources are composed of virtualized hardware. If the client is
responsible for licensing the operating system and managing the back-end networking, it is considered
IaaS. Examples include AWS.
SaaS - Correct answer-With the Software as a service (SaaS) model, the software is licensed to
customers with subscriptions and central hosting. Some examples include Gmail, Google Docs, and
Microsoft Office 365.
PaaS - Correct answer-In the Platform as a service (PaaS) model, customers have access to a platform
that supports the development and management of web applications.
If the cloud service provider is responsible for licensing the operating systems, and back-end storage and
networking, it is considered PaaS.
SELECT database operation - Correct answer-The selection operation takes rows from one table and
creates a new table.
Asterisk (*) database operation - Correct answer-The asterisk (*) means everything from that table.
,UNION database operation - Correct answer-The union operation combines distinct fields from multiple
tables that have the same set of attributes and data types.
JOIN database operation - Correct answer-A join operation combines two tables, but records are only
appended when a matching criterion is met.
Data lake - Correct answer-A data lake is a system of data stored in raw format.
Support IT Professionals - Correct answer-Help desk and training.
Information - Correct answer-Processed data.
DIKW Hierarchy - Correct answer-Defines the transition of data to information from knowledge to
wisdom. (Data Information Knowledge Wisdom)
Data in DIKW - Correct answer-The input directly received by the user (or computer). It is generally not
usable until it has been converted into a relevant form.
Information in DIKW - Correct answer-Having been inferred from data; one or more processes have
been applied to the data to transform it into a more useful form.
Knowledge in DIKW - Correct answer-Information that has been put to use; information placed into a
context. Refined information such that the user of the knowledge is able to call forth only relevant
portions of information when needed.
Wisdom in DIKW - Correct answer-Provides a social setting to knowledge; an understanding of the
"why". Can only come by having both knowledge and experience.
Information Systems - Correct answer-A collection of data and information used to support the
management of an organization. Also refers to the technical components and human resources that
enable the assembly, storage, and processing of data and the delivery of information. This has existed
for a lot longer than computers.
, Characteristics of Quality Data - Correct answer-Relevance - the data being used must apply directly to
the decision being made
Timely - data must be efficient and must be provided in a timely manner
Thorough - the data must be complete
Accurate - data should be captured only once, where possible and should be captured as close to the
point of activity as possible.
Reliable - data should reflect stable and consistent data collection processes across collections points
and over time
IPOS - Correct answer-The Input-Procession-Output-Storage Cycle
Input - Correct answer-Raw data is entered by the user.
Processing - Correct answer-Raw data is organized or structured for usefulness.
Output - Correct answer-Information is output so user can see results.
Storage - Correct answer-Processed information is stored for permanent record.
Computer System - Correct answer-A collection of components that work together to meet the needs of
the user; typically categorized as either hardware, software, networks, or users.
Hardware - Correct answer-Physical components of a computer system which include the system unit
and its components and peripheral devices; tangible aspects of the computer.