Exam 2 MIS
Hash
A digitial fingerpring or unique identifier that helps create secure transactions
Computer Networks
A network is a group of two or more devices/computers connected together
Step 4 of the IaaS
Add the IP address to the packet
Step 1 of the IaaS
Assemble the data packet
one of the first computer aided design programs ever devleoped
AutoCAD
What is the requirement for referential integrity in a table relationship?
Data on both sides of the relationship must be present.
Open Data
Data that offers free access, distribution and usage is known as
Data administration responsibility: Location data collection
Deciding that the organization will begin collecting and storing users' locations upon the release of the next generation software for its mobile app
Data administration responsibility: Sharing data policy
Defining policies stating that employees may not share data with people who are not employees of the organization
What are dependent data marts?
Dependent data marts extract data from a data warehouse when it is needed.
Data administration responsibility: Two-factor authentication
Determining that two-factor identification must be used to access data that the company has determined confidential
What does the Internet of Things refer to?
Everything connected to the internet
What are hybrid data marts?
Hybrid data marts combine data from a data warehouse and other collecting systems.
Step 2 of the IaaS
Identify the correct domain name
Step 5 of the IaaS
Implement Transmission Control Protocol
What are independent data marts?
Independent data marts are separate from a data warehouse and are created to collect data relating only to particular business functions.
Is an instant computing infrastructure composed of processing, data storage, and a variety of other computing resources provided by a cloud vendor
Infrastructure as a service
helps organizations avoid the cost of acquiring and managing their own physcial servers and datacenter architecture
Infrastrucutre as a servic
What does IoT stand for?
Internet of Things
What is referential integrity?
It applies to data quality within the structure of a relational database.
Step 3 of the IaaS
Look up the IP address using the Domain Name System
Computer networks
Networks range in size from small home networks to the internet whihc is the worlds largest network
Better Communication
People from across the organization, regardless of their physical location, can share content in real-time including documents, spreadsheets, videos, and messages.
hosting of hardware and software
Platform as a service
3 common SQL language
SELECT, WHERE, FROM
Database management system
SQL statement is used to ask a question or communicate a request of ____.
Step 6 of the IaaS
Send the message
What are examples of devices in the Internet of Things?
Sensors, wearable tech, smartphones
Tableau
The ability to explore and anayze data in seconds using a drag and drop interface as well as natural language processing which allows for the presentation of questions are major attributes of ____.
Line Chart
Used to compare values over time
Pie Chart
Used to represent part to whole relationships in a data set
Scalable
a major trend in data analytics is the use of AI to focus on small data which is more precise, using small datasets that are capable of impacting decesions in the present
record
a row of information
Transmission control protocol
a suite of communicatio protocols used as a private network communications protocol for private networks including intranets and extranets covers how software applications communicate across networks and how data packets are assembled and reassembled
Web usage mining
also called log mining, includes analysis of web access logs or the when how and r=frequency of website access
Purpose of SQL statement
answer questions about the database
referential integrity
be consisten: a foreign key field that references a primary key field must agree with that primary key
Platform as a service
cloud-based computing software model where cloud service providers offer hardware and software tools need for application/software development via the interned
project life cycle according to harvard phases
collection, wrangling, sensing
trends in analytics
composable data, scalable AI, data analytics a a core business function
Computer networks
computer networks support many different software applications
5 essential aspects of analytical thinking and skills
curiosity, understanding context, having a technical mindset, data design, data strategy
3 trends is analytics include
data analytics as a core business function , composable data, scalable AI
Fields
data is organized in complex and meaningful collections specified by the data base administrator
3 competencies organizations invest in to support DDDM
data proficiency, building a data driven community, agility in analytics and data analysis
3 responsibilities of data analyst
data reporting, data visualization, data structuring
open data
data that offers free access, distribution, and usage is known as...
Data integrity to an organization
databases and database management system with a high level of data integrity enable more efficient data maintenance in support of organizational goals
3 step viualization process is comprised of which of the following
explore data sets for patterns, planning for visuals, create your visual
Data warehouses primary use
facilitate the analysis of data from multiple sources
Tableau uses 3 things to help DDDM
facts, metrics, data
How are data marts different from data warehouse
focus on an individual department or business function and manage less data than a warehouse
Data quality Audits
gain an overall assessment of the strengths and weaknesses of their data
web structure mining
includes analysis of hyperlinks, nodes, and related web pages
Web Content mining
includes extraction of information from web pages/documents, including text, images, videos and interactives
site visibility
includes how/when the site surfaces when queries are executed in search engines
Accessibility
includes the structure of websites and pages to ensure device/platform access and scalability ensuring information is available to users and acces for those with physical an congnitiive limitations for users
NIC(network inferface card)
inorder to connect to internet and other computers on a network each device must have this
truncating
is to shorten the y-axis to make differences appear larger than they actually are
continuous data ollection
measureable and counted data that can have almost any numeric value
Microsoft power BI
microsofts analytics software that allows for the processing, manipulation, and visualization of data is called _____.
data normalization
organized approach to simplify tables to eliminate redundancy
3 step data visualization process
planning visuals, create visuals, explore data sets for patterns
6-step process analyts use to create data-driven decision making includes?
prepare, analysis, ask
data anonymization
protecting private or sensitive information by eliminating or encrypting information is the goal
Advantage of performing a data quality audit
recommends ways the organization can improve its data quality and reduce costs through increasing data consistency
usability
refers to how easily website user/visitors can interact with the site
SQL task
retrieve data
streamlined workflow
scheduling activities can easily be added and updated in the software. remote team members are actively engaged in workflow, duties and processes due to the real time nature of the software
Main charcteristic of a relationol database
stores and allows acces to data objects that are reltaaed to one another
XML(Extensible Markup Language)
tech that are able to exchange information with each other using standardized web communication protocols and languages
2 dashes"- -"
tells the SQL that whatever comes after is a comment and should be ignored in the query
data ecosystem
the IT architecture and infrastrucutre, software applications, programming languages, and storage technologies used for the collection, storage, analysis, and interpretation of meaningful data is referred to as the
data transformation
the process of converting the format of data fom one form to another is called
composable data and analytics
the process of taking components from data sources and analytics platforms to create a more user friendly experience that makes finding critical insights easier is called
Scatterplot
used to disgram pairs of numerical data. Help to determine if there is a correlation between variables
Bar Chart
used to display slices of information.Allow for comparing one group of data to other groups