WGU D772 COMPREHENSIVE STUDY GUIDE
2026 FULL QUESTIONS AND SOLUTIONS
GRADED A+
◍ Voice over Internet Protocol (VoIP).
Answer: VoIP is a type of broadband application, similar to video, in which
voice calls are transmitted over the Internet.
◍ Types of relationships in a relational database model.
Answer: One-to-One, One-to-Many, and Many-to-Many
◍ Wi-Fi Protected Access (WPA).
Answer: A wireless (tunneling) encryption protocol that provides secure
data transmission over an insecure network.
◍ Analytics Services.
Answer: Creates analytical databases.
◍ Management information system (MIS).
Answer: Provides timely and accurate information that enables managers to
manage their departments more efficiently; analyzes performance.
◍ Network economics (network-based strategy).
Answer: the cost of adding another business participant to a business venture
is small, the potential gain is great.
◍ chief financial officer (CFO).
Answer: manages the company's cash flow and evaluates and communicates
financial risks.
◍ Variables.
Answer: Characteristics or measurements that we are interested in studying.
◍ Protocols.
, Answer: used to ensure the quality and accuracy of the transmission, and
that the transmission is understood by the receiving device.
◍ Data Administrator.
Answer: Responsible for determining and monitoring employees' access to
the company's database management system (DBMS).
◍ Data.
Answer: Unorganized data that lacks meaning.
◍ Object-Oriented Database.
Answer: A database that is designed to store mixed media, as opposed to
tables in relational databases.
◍ Unified Modeling Language (UML).
Answer: A general-purpose modeling language that helps visualize systems
through diagrams.
◍ Development methodologies that allow for the reuse of objects.
Answer: Component-based development and object-oriented development
◍ Rapid application development (RAD).
Answer: software development focuses on the development's process, with
limited emphasis on the planning process and uses prototypes.
◍ Tangible User Interface.
Answer: An interface in which a person interacts with digital information
through the physical environment
◍ Data in Use.
Answer: Data that is in the process of being created, updated, destroyed, or
changed.
◍ Scrum software development methodology.
Answer: form of agile software development that recognizes that customer
needs and wants can change throughout the project. Unexpected changes
and challenges, which cannot be addressed with the traditional waterfall
SDLC model, can be quickly addressed
, ◍ Simple Mail Transfer Protocol (SMTP).
Answer: Used to manage and monitor emails that we receive.
◍ Data Integration Service.
Answer: A depository of extracted business environment data.
◍ Spiral Model (SDLC).
Answer: risk-driven process model generator for software projects. Based on
the unique risk patterns of a given project, the spiral model guides a team to
adopt elements of one or more process models, such as incremental,
waterfall, or evolutionary prototyping.
◍ Dumb Terminal/Thin Client.
Answer: A terminal that depends on the host computer for its processing
power
◍ Sampling Bias.
Answer: Bias that can occur when a sampling method makes it more likely
for some members of the population to be included than others, reducing the
chance of achieving a representative sample.
◍ mesh network.
Answer: network topology in which each node relays data for the network
◍ Pharming.
Answer: Used to steal personal information by redirecting users to
official-looking websites.
◍ Double-Blind.
Answer: When both the participants and the researchers interacting with
them are unaware of the treatment group assignments.
◍ Information Security.
Answer: The concept of protecting valuable information assets.
◍ e-Tailer.
Answer: a retailer selling goods via electronic transactions on the Internet.
2026 FULL QUESTIONS AND SOLUTIONS
GRADED A+
◍ Voice over Internet Protocol (VoIP).
Answer: VoIP is a type of broadband application, similar to video, in which
voice calls are transmitted over the Internet.
◍ Types of relationships in a relational database model.
Answer: One-to-One, One-to-Many, and Many-to-Many
◍ Wi-Fi Protected Access (WPA).
Answer: A wireless (tunneling) encryption protocol that provides secure
data transmission over an insecure network.
◍ Analytics Services.
Answer: Creates analytical databases.
◍ Management information system (MIS).
Answer: Provides timely and accurate information that enables managers to
manage their departments more efficiently; analyzes performance.
◍ Network economics (network-based strategy).
Answer: the cost of adding another business participant to a business venture
is small, the potential gain is great.
◍ chief financial officer (CFO).
Answer: manages the company's cash flow and evaluates and communicates
financial risks.
◍ Variables.
Answer: Characteristics or measurements that we are interested in studying.
◍ Protocols.
, Answer: used to ensure the quality and accuracy of the transmission, and
that the transmission is understood by the receiving device.
◍ Data Administrator.
Answer: Responsible for determining and monitoring employees' access to
the company's database management system (DBMS).
◍ Data.
Answer: Unorganized data that lacks meaning.
◍ Object-Oriented Database.
Answer: A database that is designed to store mixed media, as opposed to
tables in relational databases.
◍ Unified Modeling Language (UML).
Answer: A general-purpose modeling language that helps visualize systems
through diagrams.
◍ Development methodologies that allow for the reuse of objects.
Answer: Component-based development and object-oriented development
◍ Rapid application development (RAD).
Answer: software development focuses on the development's process, with
limited emphasis on the planning process and uses prototypes.
◍ Tangible User Interface.
Answer: An interface in which a person interacts with digital information
through the physical environment
◍ Data in Use.
Answer: Data that is in the process of being created, updated, destroyed, or
changed.
◍ Scrum software development methodology.
Answer: form of agile software development that recognizes that customer
needs and wants can change throughout the project. Unexpected changes
and challenges, which cannot be addressed with the traditional waterfall
SDLC model, can be quickly addressed
, ◍ Simple Mail Transfer Protocol (SMTP).
Answer: Used to manage and monitor emails that we receive.
◍ Data Integration Service.
Answer: A depository of extracted business environment data.
◍ Spiral Model (SDLC).
Answer: risk-driven process model generator for software projects. Based on
the unique risk patterns of a given project, the spiral model guides a team to
adopt elements of one or more process models, such as incremental,
waterfall, or evolutionary prototyping.
◍ Dumb Terminal/Thin Client.
Answer: A terminal that depends on the host computer for its processing
power
◍ Sampling Bias.
Answer: Bias that can occur when a sampling method makes it more likely
for some members of the population to be included than others, reducing the
chance of achieving a representative sample.
◍ mesh network.
Answer: network topology in which each node relays data for the network
◍ Pharming.
Answer: Used to steal personal information by redirecting users to
official-looking websites.
◍ Double-Blind.
Answer: When both the participants and the researchers interacting with
them are unaware of the treatment group assignments.
◍ Information Security.
Answer: The concept of protecting valuable information assets.
◍ e-Tailer.
Answer: a retailer selling goods via electronic transactions on the Internet.
