WGU D279 UTM1 TASK TIPS USER
INTERFACE DESIGN COMPLETE
DOCUMENT COMPREHENSIVE TEST BANK
2026 FULL QUESTIONS AND SOLUTIONS
GRADED A+
⩥ Number Integer. Answer: Numeric data, whole numbers.
Ex: 4
⩥ Floating Point. Answer: Decimal.
Ex: 4.2
⩥ Date/Time. Answer: Type of Data
⩥ Boolean/Logical. Answer: Type of Data.
Ex: True/False (in reply to active subscriber?)
Only two possible answers: yes/no or true/false
⩥ Flat File Database. Answer: One large single table without relations
between tables.
*Most common is CSV file (files separated by comma)
*Flat file is used if amount of data is fairly small.
, Ex: Spreadsheet
⩥ Relational Database. Answer: Most common structure for database.
*Distinguished by multiple tables with interrelated fields.
*When queried, data can be pulled form any # of relations that may be
contained in multiple databases.
*Provides lots of flexibility.
⩥ Hierarchical Database. Answer: Organizes data by using tree-like or
organizational chart type structure.
*Main data points can have multiple sub-data points (Parent/child
structure)-Subpoints can only have one main data point.
* Records can be broken up so one portion is in one location and another
is in another section.
Ex: Employee database could list all employees, but a child relation
could contain info about employee position, pay level, responsibilities.
Another child relation could include info about employee projects. Sub
data is always specific to main data point.
⩥ Tuples. Answer: Records represented by rows.
⩥ Unshielded Twisted Pair (UTP). Answer: Most commonly used
network connections. Looks just as it sounds, wires twisted together in a
pair.
INTERFACE DESIGN COMPLETE
DOCUMENT COMPREHENSIVE TEST BANK
2026 FULL QUESTIONS AND SOLUTIONS
GRADED A+
⩥ Number Integer. Answer: Numeric data, whole numbers.
Ex: 4
⩥ Floating Point. Answer: Decimal.
Ex: 4.2
⩥ Date/Time. Answer: Type of Data
⩥ Boolean/Logical. Answer: Type of Data.
Ex: True/False (in reply to active subscriber?)
Only two possible answers: yes/no or true/false
⩥ Flat File Database. Answer: One large single table without relations
between tables.
*Most common is CSV file (files separated by comma)
*Flat file is used if amount of data is fairly small.
, Ex: Spreadsheet
⩥ Relational Database. Answer: Most common structure for database.
*Distinguished by multiple tables with interrelated fields.
*When queried, data can be pulled form any # of relations that may be
contained in multiple databases.
*Provides lots of flexibility.
⩥ Hierarchical Database. Answer: Organizes data by using tree-like or
organizational chart type structure.
*Main data points can have multiple sub-data points (Parent/child
structure)-Subpoints can only have one main data point.
* Records can be broken up so one portion is in one location and another
is in another section.
Ex: Employee database could list all employees, but a child relation
could contain info about employee position, pay level, responsibilities.
Another child relation could include info about employee projects. Sub
data is always specific to main data point.
⩥ Tuples. Answer: Records represented by rows.
⩥ Unshielded Twisted Pair (UTP). Answer: Most commonly used
network connections. Looks just as it sounds, wires twisted together in a
pair.
