Practice — DM5-001–012
Commit to an answer before opening the key.
DM5-001 — Introduction · Foundational · recall
Which statement best matches Chapter 5's definition of data modeling?
A. Discovering, analyzing, and scoping data requirements, then representing and communicating them precisely in a data model.
B. Creating only physical database tables and indexes.
C. Documenting only existing system metadata after implementation.
D. Selecting a database product and configuring storage.
DM5-002 — Introduction · Foundational · understand
Which outcome is a stated goal of data modeling in Chapter 5?
A. Eliminating the need for Data Governance.
B. Confirming and documenting different perspectives so applications align more closely with current and future business requirements.
C. Replacing all application documentation with one physical schema.
D. Guaranteeing that no future data changes will occur.
DM5-003 — Introduction · Standard · understand
Why does Chapter 5 describe data models as a primary communications tool during projects?
A. They replace stakeholder discussion once the first diagram is drawn.
B. They are used only by database administrators.
C. They make data requirements and definitions explicit so business and IT participants can share a precise understanding.
D. They are primarily financial planning documents.
DM5-004 — Introduction · Foundational · recall
Which Chapter 5 data type is used to classify and assign types to things, such as product color or order status?
A. Resource information
B. Business event information
C. Detail transaction information
D. Category information
DM5-005 — Introduction · Foundational · recall
Customer, Supplier, Facility, Organization, and Account are examples of which modeled data type?
A. Resource information
B. Category information
C. Business event information
D. Detail transaction information
DM5-006 — Introduction · Standard · apply
A company models Orders, Supplier Invoices, Cash Withdrawals, and Business Meetings. Which Chapter 5 data type best fits these?
A. Category information
B. Business event information
C. Resource information
D. Detail transaction information
DM5-007 — Introduction · Standard · apply
Point-of-sale line detail, clickstream records, and sensor readings are closest to which Chapter 5 data type?
A. Category information
B. Resource information
C. Detail transaction information
D. Business event information
DM5-008 — Components · Foundational · recall
In Chapter 5, what is an entity?
A. A value assigned to an attribute.
B. A rule restricting allowable values.
C. A connection between two modeled things.
D. A thing about which an organization collects information.
DM5-009 — Components · Standard · distinguish
Using the chapter's recommended terminology, which pairing is correct?
A. Employee is an entity; Jane is an entity instance.
B. Jane is the entity type; Employee is the entity instance.
C. Employee and Jane are both attributes.
D. Jane is a relationship; Employee is a domain.
DM5-010 — Components · Standard · recall
Which three qualities does Chapter 5 identify for high-quality data definitions?
A. Speed, compression, and indexing
B. Clarity, accuracy, and completeness
C. Uniqueness, cardinality, and arity
D. Security, privacy, and retention
DM5-011 — Components · Foundational · recall
What is an attribute in a data model?
A. A set of entities connected by a relationship.
B. A whole subject area of the enterprise.
C. A property or characteristic that describes an entity.
D. A database technology chosen for implementation.
DM5-012 — Components · Standard · understand
Why are domains useful in a data model?
A. They replace entities and relationships.
B. They specify only who owns a data set.
C. They are used only for dimensional facts.
D. They define allowable values or value structures for attributes and promote consistency.