DATA 2100 FINAL SIGGARD EXAM
QUESTIONS WITH ANSWERS
Data collected and stored by Apple in a database which only its employees may
access are what type of data?
Private data
Alberto has written a program that asks the user for their age and then compares
that value to another number. When the user enters a number, the program runs
successfully. However, when the user enters text, the program crashes. What
can Alberto do to fix this problem?
Use a try/except structure to validate the data type
If x ="Mollie is the best" and y = len(x), what's the value of y?
18
Which Python structure iterates through a series of elements?
for loop
______ encryption is when one key is used to encrypt the message but a
separate key must be used to decrypt it.
Asymmetric cryptography
_____ refers to the extent to which users are able to get the system
(infrastructure) to do what they need it to do.
Usability
Given a rate of 15 new customers per salesperson per day. How many new
customers would I expect after 4 days if I have 10 salespeople?
600
, A ____ attack is an attack on a server intended to prevent that server from
processing legitimate requests by overloading it with fake requests.
Denial of service
Which of the following best describes reliability as it pertains to IT
infrastructure?
The degree to which infrastructure can be expected perform its tasks when
needed
A server that is housed at company headquarters and is managed by the
company's own IT team is an example of...
Internally managed infrastructure
The Federal Reserve of the United States calculates annual inflation by taking a
12-month average of the general increase or decrease in prices in the U.S. Every
time the average is calculated, the newest month replaces the oldest month in
the calculation. Given this information, what type of metric is inflation?
Rolling Average
Office 365 is an example of _____ as a service.
Software
Investment B has a 44% chance of yielding a value of $257,000 and has a 5%
chance of yielding a value of $8,550,000. What is the expected value of
Investment B?
$540,580
A _____________ is a _____________ of a _____________ .
Sample, subset, population
A table contains the field "Date". Within this column, dates are recorded in
various formats, including "mm/dd/yyyy", "Month Day, Year", and
"dd/mm/yyyy". What type of data quality issue exists within this column?
Consistency
QUESTIONS WITH ANSWERS
Data collected and stored by Apple in a database which only its employees may
access are what type of data?
Private data
Alberto has written a program that asks the user for their age and then compares
that value to another number. When the user enters a number, the program runs
successfully. However, when the user enters text, the program crashes. What
can Alberto do to fix this problem?
Use a try/except structure to validate the data type
If x ="Mollie is the best" and y = len(x), what's the value of y?
18
Which Python structure iterates through a series of elements?
for loop
______ encryption is when one key is used to encrypt the message but a
separate key must be used to decrypt it.
Asymmetric cryptography
_____ refers to the extent to which users are able to get the system
(infrastructure) to do what they need it to do.
Usability
Given a rate of 15 new customers per salesperson per day. How many new
customers would I expect after 4 days if I have 10 salespeople?
600
, A ____ attack is an attack on a server intended to prevent that server from
processing legitimate requests by overloading it with fake requests.
Denial of service
Which of the following best describes reliability as it pertains to IT
infrastructure?
The degree to which infrastructure can be expected perform its tasks when
needed
A server that is housed at company headquarters and is managed by the
company's own IT team is an example of...
Internally managed infrastructure
The Federal Reserve of the United States calculates annual inflation by taking a
12-month average of the general increase or decrease in prices in the U.S. Every
time the average is calculated, the newest month replaces the oldest month in
the calculation. Given this information, what type of metric is inflation?
Rolling Average
Office 365 is an example of _____ as a service.
Software
Investment B has a 44% chance of yielding a value of $257,000 and has a 5%
chance of yielding a value of $8,550,000. What is the expected value of
Investment B?
$540,580
A _____________ is a _____________ of a _____________ .
Sample, subset, population
A table contains the field "Date". Within this column, dates are recorded in
various formats, including "mm/dd/yyyy", "Month Day, Year", and
"dd/mm/yyyy". What type of data quality issue exists within this column?
Consistency
