MIS 150 QUIZ 1 UPDATED ACTUAL QUESTIONS AND
CORRECT ANSWERS
Question:
1. Accurate, relevant, and timely information is the key to ____.
Answer:
good decision making
Question:
2. April is a database administrator, she wants to provide a description of the data characteristics and the
set of relationships that link the data found within the database. What should she use?
Answer:
Metadata
Question:
3. Which of the following refers to the situation where different versions of the same data are stored at
different places because they were not updated consistently?
Answer:
Data redundancy
Question:
4. Omar is constructing a data model. In his model he includes a description of the data structure that will
store end-user data and has an enforceable set of rules to ensure data integrity. What component does he
need to include to make his data model implementation ready
Answer:
data manipulation methodology
Question:
5. Within the database environment, a data model represents data structures and their attributes, relations,
constraints, and transformations with the purpose of supporting a specific problem domain. Define
"problem domain" in the context of data models
Answer:
a clearly defined area within a real-world environment that will be systematically addressed
Question:
6. Business rules use simple language to establish definitions of entities, attributes, relationships, and
constraints. For instance, a business rule establishing that entities can have multiple attributes, and that
each available attribute may be associated with only one entity, might be stated as "An employee may be
assigned multiple devices" and "Each device may be assigned to only one employee". Classify the
relationship between EMPLOYEES and DEVICES in this example using shorthand notation.
Answer:
1:M
CORRECT ANSWERS
Question:
1. Accurate, relevant, and timely information is the key to ____.
Answer:
good decision making
Question:
2. April is a database administrator, she wants to provide a description of the data characteristics and the
set of relationships that link the data found within the database. What should she use?
Answer:
Metadata
Question:
3. Which of the following refers to the situation where different versions of the same data are stored at
different places because they were not updated consistently?
Answer:
Data redundancy
Question:
4. Omar is constructing a data model. In his model he includes a description of the data structure that will
store end-user data and has an enforceable set of rules to ensure data integrity. What component does he
need to include to make his data model implementation ready
Answer:
data manipulation methodology
Question:
5. Within the database environment, a data model represents data structures and their attributes, relations,
constraints, and transformations with the purpose of supporting a specific problem domain. Define
"problem domain" in the context of data models
Answer:
a clearly defined area within a real-world environment that will be systematically addressed
Question:
6. Business rules use simple language to establish definitions of entities, attributes, relationships, and
constraints. For instance, a business rule establishing that entities can have multiple attributes, and that
each available attribute may be associated with only one entity, might be stated as "An employee may be
assigned multiple devices" and "Each device may be assigned to only one employee". Classify the
relationship between EMPLOYEES and DEVICES in this example using shorthand notation.
Answer:
1:M
