最新的CompTIA Data+ Certification - DA0-001免費考試真題
問題1
A database consists of one fact table that is composed of multiple dimensions. Each dimension is represented by a denormalized table. This structure is an example of a:
正確答案: D
說明:(僅 VCESoft 成員可見)
問題2
Which of the following roles is responsible for ensuring an organization's data quality, security, privacy, and regulatory compliance?
正確答案: D
說明:(僅 VCESoft 成員可見)
問題3
Which of the following BEST describes the issue in which character values are mixed with integer values in a data set column?
正確答案: C
說明:(僅 VCESoft 成員可見)
問題4
Andy is a pricing analyst for a retailer. Using a hypothesis test, he wants to assess whether people who receive electronic coupons spend more on average.
What should Andy's null hypothesis be?
What should Andy's null hypothesis be?
正確答案: A
說明:(僅 VCESoft 成員可見)
問題5
Which of the following are reasons to create and maintain a data dictionary? (Choose two.)
正確答案: C,D
說明:(僅 VCESoft 成員可見)
問題6
Which of the following data types is best for representing count data?
正確答案: B
說明:(僅 VCESoft 成員可見)
問題7
For which of the following test statistics would a low value imply a potentially meaningful result?
正確答案: A
說明:(僅 VCESoft 成員可見)
問題8
Which of the following data sampling methods involves dividing a population into subgroups by similar characteristics?
正確答案: B
說明:(僅 VCESoft 成員可見)
問題9
Which of the following is the first step an analyst should perform upon receiving a business request for analysis?
正確答案: B
說明:(僅 VCESoft 成員可見)
問題10
Which of the following types of analyses is best to use when tracking sales revenue against quarterly targets?
正確答案: C
說明:(僅 VCESoft 成員可見)

