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Test Prep

Data Structures

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Final Review Corrections

Final Quiz 1

Corrections:

33: A is wrong because it uses an outside second key to authorize the user making it two factor authentification while D is just locking out the user of the account if they get the password wrong.

Final Quiz 2

Corrections:

19: D is wrong because at the end of the function it won’t display anything else which is why the answer is C and not D.

14: C is wrong because the amont of data is not increaisng each year, and it is A because the amount of data that is stored for each user averages around 10 GB per user which is why it isnt C and instead A.

Finals Week 2 Quiz 3

Corrections

18: B is wrong because when you plug it into the function the function still works as expected, however when C is plugged in the function stops working as intended

30: The internet is a set of intereconnected networks and not interconnected data sets

42: 2^7 power is 128 and 2^8 is 256

43: People who sign up for a premium account do not get ads

Finals Week 3 Quiz 5

Corrections:

43: B is correct because as the amount of users increases, the internet adjusts and adapts to scale for an increasing amount of viewers

45: C is correct because function one also works to display the correct average however it does it in a way where it uses much more arthmetic operations than in function 2

49: C is correct since if the exam value is over between 71-80 you get a C, and anything 70 and under is not a C. Therefore C is the correct answer.