M03 Quiz Take 2

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Ivy Tech Community College, Indianapolis *

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110

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Information Systems

Date

Feb 20, 2024

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2/9/24, 11:27 PM Victoria Lynn Hall (She/Her)'s Quiz History: M03 Quiz https://ivylearn.ivytech.edu/courses/1251944/quizzes/4401355/history?version=2 1/8 M03 Quiz Results for Victoria Lynn Hall (She/Her) Score for this attempt: 20 out of 20 Submitted Feb 3 at 4:44pm This attempt took 8 minutes. 1 / 1 pts Question 1 What are the two states in which backups can be taken Consistent and inconsistent Correct! Correct! Partial and Incremental Restoring and recovery Full and Differential 1 / 1 pts Question 2 Data Integrity refers to: Limiting access to the data stored in the database Maintaining the quality of the data stored in the database. Correct! Correct! Ensuring the data is updated regularly The current state of the data stored in the database 1 / 1 pts Question 3
2/9/24, 11:27 PM Victoria Lynn Hall (She/Her)'s Quiz History: M03 Quiz https://ivylearn.ivytech.edu/courses/1251944/quizzes/4401355/history?version=2 2/8 What are the type of participation available in an entity set relationship? All Ternary Total Correct! Correct! Partial Correct! Correct! 1 / 1 pts Question 4 An entity has a set of properties known as attributes. True Correct! Correct! False 1 / 1 pts Question 5 Using ERD Chen Notation entities are represented using: Ovals Rectangle Correct! Correct! Diamonds Triangles Square
2/9/24, 11:27 PM Victoria Lynn Hall (She/Her)'s Quiz History: M03 Quiz https://ivylearn.ivytech.edu/courses/1251944/quizzes/4401355/history?version=2 3/8 1 / 1 pts Question 6 The extended version of an ER uses which of the following features: Attribute inheritance Correct! Correct! Generalization Correct! Correct! Specialization Correct! Correct! Aggregation Correct! Correct! 1 / 1 pts Question 7 Data security consist of: Protection of data Correct! Correct! Only the people who should have access to the data are the only ones who can access the data Correct! Correct! Ensure that data is accessed by its intended user Correct! Correct! Prevention of data corruption Correct! Correct! Authentication/authorization, encryption, and masking are some of the popular means of data security Correct! Correct!
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2/9/24, 11:27 PM Victoria Lynn Hall (She/Her)'s Quiz History: M03 Quiz https://ivylearn.ivytech.edu/courses/1251944/quizzes/4401355/history?version=2 4/8 1 / 1 pts Question 8 How do you eliminate M:N relationship in a relational database? Create a Composite Table Correct! Correct! Add foreign keys to each table to reference the other table primary key You do not need to eliminate M:N relationship Add additional attributes to the tables in the relationship 1 / 1 pts Question 9 An Entity Relational Diagram consist of the following components used to define a database schema Attributes, constraints, tuples Datafiles, entities, relationship Entities, attributes, relationship Correct! Correct! Data model, value, data 1 / 1 pts Question 10 ERD Notation represents a complete set of work flow shapes & symbols used in the graphical representation of data. True Correct! Correct!
2/9/24, 11:27 PM Victoria Lynn Hall (She/Her)'s Quiz History: M03 Quiz https://ivylearn.ivytech.edu/courses/1251944/quizzes/4401355/history?version=2 5/8 False 1 / 1 pts Question 11 A composite table: Is a feature included in the specialization process A table used to link two or more entities participating in a M:N relationship Correct! Correct! Consist of a primary key from all the entities in the schema 1 / 1 pts Question 12 The actual physical backup files are known as: Transaction logs Full backups Backup files Backupsets Correct! Correct! 1 / 1 pts Question 13 An entity whose existence is dependent on another entity is known as:
2/9/24, 11:27 PM Victoria Lynn Hall (She/Her)'s Quiz History: M03 Quiz https://ivylearn.ivytech.edu/courses/1251944/quizzes/4401355/history?version=2 6/8 Strong Entity Weak Entity Correct! Correct! 1 / 1 pts Question 14 Who does the database designer have to interact with to understand the needs of the application? IT Manager Database Administrator Domain experts and Users Correct! Correct! Programmer 1 / 1 pts Question 15 An entity is a thing or object in the real world that is distinguishable from other object. True Correct! Correct! False 1 / 1 pts Question 16 A relationship is:
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2/9/24, 11:27 PM Victoria Lynn Hall (She/Her)'s Quiz History: M03 Quiz https://ivylearn.ivytech.edu/courses/1251944/quizzes/4401355/history?version=2 7/8 Identified business rules An association among one or more entities Correct! Correct! Attributes that share the same value A set of related business policies 1 / 1 pts Question 17 Does each DBMS has its own architecture for handling transaction log files? Yes Correct! Correct! No 1 / 1 pts Question 18 When designing database schemas we must ensure that we avoid redundancy and incompleteness. True Correct! Correct! False 1 / 1 pts Question 19 Specialization is
2/9/24, 11:27 PM Victoria Lynn Hall (She/Her)'s Quiz History: M03 Quiz https://ivylearn.ivytech.edu/courses/1251944/quizzes/4401355/history?version=2 8/8 the process of designating subgroupings within an entity Correct! Correct! the containment relationship that exists between a higher level entity set and one or more lower level entity set. 1 / 1 pts Question 20 What are the types of relationships exist within a relational database design? Many to Many Correct! Correct! Zero to Many One to None One to One Correct! Correct! One to Many Correct! Correct! Quiz Score: 20 out of 20