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MT exam_03_02_21_ CSE 511_ Solutions - Arizona State University CSE 511 $7.99   Add to cart

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MT exam_03_02_21_ CSE 511_ Solutions - Arizona State University CSE 511

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MT exam_03/02/21  This is a preview of the draft version of the quiz Graded Quiz 20 Midterm Exam Yes 60 Minutes No Always After Mar 4 at 12am Yes No  Published Preview  Edit  MT exam day/time: Tuesday March 2nd 2021, 7:40 PM-8:40 PM MST. MT duration: 1 hour. Number of que...

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  • May 2, 2023
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  • Exam (elaborations)
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3/4/2021 MT exam_03/02/21: CSE 511: Data Processing at Scale (2021 Spring)


 Published Preview  Edit 




MT exam_03/02/21
 This is a preview of the draft version of the quiz



MT exam day/time: Tuesday March 2nd 2021, 7:40 PM-8:40 PM MST.

MT duration: 1 hour.

Number of questions: 30 questions.

At the beginning of the exam:
You must show your student ID.
Your camera must be ON.
Your phone must be OFF.

Quiz Type Graded Quiz
Points 20
Assignment Group Midterm Exam
Shuffle Answers Yes
Time Limit 60 Minutes
Multiple Attempts No
View Responses Always
Show Correct Answers After Mar 4 at 12am
One Question at a Time Yes
No

https://canvas.asu.edu/courses/75440/quizzes/531153?preview=1 1/22

,3/4/2021 MT exam_03/02/21: CSE 511: Data Processing at Scale (2021 Spring)

Require Respondus LockDown
Browser
Required to View Quiz Results No
Webcam Required No
Lock Questions After Yes
Answering


Due For Available from Until

Mar 2 at 8:40pm Everyone else Mar 2 at 7:40pm Mar 2 at 8:40pm


Mar 2 at 9:10pm 1 student Mar 2 at 7:40pm Mar 2 at 9:10pm


Preview




Score for this quiz: 20 out of 20
Submitted Mar 4 at 3:33pm
This attempt took 7 minutes.


Question 1 0..5 pts


Which of the following conversion occurs when one creates a relational
database from an entity-relationship diagram?


Entities become columns


Attributes become tables

Correct!
Attributes become columns


Explanation: Each attribute becomes a column in a table during this
conversion. The rest are all false.



Entities become rows


https://canvas.asu.edu/courses/75440/quizzes/531153?preview=1 2/22

, 3/4/2021 MT exam_03/02/21: CSE 511: Data Processing at Scale (2021 Spring)




Question 2 0..5 pts


Under which of the following scenarios is database recovery necessary?


Data entry error


Keyboard failure


Relational database design error

Correct! Transaction failure


Explanation: Transaction failure is the only scenario where database
recovery is necessary. The other scenarios do not affect the
database itself and hence we do not need to recover the database




Question 3 0..5 pts


While translating ER diagrams to relational models, which is true for weak
entity sets?



● Weak entity set and identifying relationship set are translated into
different tables



● None of the given options


● Weak entity set is translated into a table

Correct!
● Weak entity set and identifying relationship set are translated into a
single table


https://canvas.asu.edu/courses/75440/quizzes/531153?preview=1 3/22

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