10/25/25, 5:36 PM CIS 5450 - Midterm 1, Fall 2025 Exam Questions and Answers (Verified Answers) Most Recent exam COMPLETE (2025) (Latest …
CIS 5450 - Midterm 1, Fall 2025 Exam Questions
and Answers (Verified Answers) Most Recent
exam COMPLETE (2025) (Latest Update 2025)
UPDATE!!
Save
Terms in this set (117)
Which of the following is Points on the trajectory of a falling object
least likely to be a good
example of big data
(Purchase behavior for
1000 users, Hundreds of
gene sequences, Points
on the trajectory of a
falling object, A thousand
YouTube videos)
Which of the following Run machine learning algorithms on the data
tasks is not part of
preprocessing data?
(Model and annotate data,
Extract the key parts of
the data, Run machine
learning algorithms on the
data, Clean the data)
Features are: Values used to predict classes or groups
https://quizlet.com/1098310398/cis-5450-midterm-1-fall-2025-exam-questions-and-answers-verified-answers-most-recent-exam-complete-2025-latest… 1/14
, 10/25/25, 5:36 PM CIS 5450 - Midterm 1, Fall 2025 Exam Questions and Answers (Verified Answers) Most Recent exam COMPLETE (2025) (Latest …
What are the three basic tables, arrays, nested
encodings of structured
data?
What kinds of data might web or text data
need pattern-based
extraction?
Which of the following is training
not a part of the standard
data structuring process?
When we read a column names may be assigned based on the file
structured file into a header
dataframe, what will
occur?
When we store a the dataframe index
dataframe in a SQL
database, what do we
have an option of saving
or dropping?
What does projection do? returns a subset of the columns in a dataframe
The document object tree
model is what kind of data
structure?
XPath returns what as its set of matching nodes in order, as a list
result?
The XPath //span matches the span element(s) at any level
what?
An outerjoin will return every tuple in the input relations has a match.
the exact same results as
an innerjoin if
If we join relations that The input columns will be renamed in the output, to
each have an id column, be unique, by appending suffixes to the names
what happens in Pandas?
https://quizlet.com/1098310398/cis-5450-midterm-1-fall-2025-exam-questions-and-answers-verified-answers-most-recent-exam-complete-2025-latest… 2/14
CIS 5450 - Midterm 1, Fall 2025 Exam Questions
and Answers (Verified Answers) Most Recent
exam COMPLETE (2025) (Latest Update 2025)
UPDATE!!
Save
Terms in this set (117)
Which of the following is Points on the trajectory of a falling object
least likely to be a good
example of big data
(Purchase behavior for
1000 users, Hundreds of
gene sequences, Points
on the trajectory of a
falling object, A thousand
YouTube videos)
Which of the following Run machine learning algorithms on the data
tasks is not part of
preprocessing data?
(Model and annotate data,
Extract the key parts of
the data, Run machine
learning algorithms on the
data, Clean the data)
Features are: Values used to predict classes or groups
https://quizlet.com/1098310398/cis-5450-midterm-1-fall-2025-exam-questions-and-answers-verified-answers-most-recent-exam-complete-2025-latest… 1/14
, 10/25/25, 5:36 PM CIS 5450 - Midterm 1, Fall 2025 Exam Questions and Answers (Verified Answers) Most Recent exam COMPLETE (2025) (Latest …
What are the three basic tables, arrays, nested
encodings of structured
data?
What kinds of data might web or text data
need pattern-based
extraction?
Which of the following is training
not a part of the standard
data structuring process?
When we read a column names may be assigned based on the file
structured file into a header
dataframe, what will
occur?
When we store a the dataframe index
dataframe in a SQL
database, what do we
have an option of saving
or dropping?
What does projection do? returns a subset of the columns in a dataframe
The document object tree
model is what kind of data
structure?
XPath returns what as its set of matching nodes in order, as a list
result?
The XPath //span matches the span element(s) at any level
what?
An outerjoin will return every tuple in the input relations has a match.
the exact same results as
an innerjoin if
If we join relations that The input columns will be renamed in the output, to
each have an id column, be unique, by appending suffixes to the names
what happens in Pandas?
https://quizlet.com/1098310398/cis-5450-midterm-1-fall-2025-exam-questions-and-answers-verified-answers-most-recent-exam-complete-2025-latest… 2/14
