최신 DA0-001 무료덤프 - CompTIA Data+ Certification

문제1

Which of the following explains why standardization of data field names is important to master data management concepts?

A. The quality of the data is consistent and improved.

B. The colors in data visualization are enhanced.

C. The data looks more appealing.

D. The data is decompressed.

정답: A

설명: (DumpTOP 회원만 볼 수 있음)

문제2

While reviewing survey data, an analyst notices respondents entered "Jan," "January," and "01" as responses for the month of January. Which of the following steps should be taken to ensure data consistency?

A. Delete any of the responses that do not have "January" written out.

B. Sort any of the responses that say "Jan" and update them to "01".

C. Filter on any of the responses that do not say "January" and update them to "January".

D. Replace any of the responses that have "01".

정답: C

설명: (DumpTOP 회원만 볼 수 있음)

문제3

A research analyst collects ten data points from 1.000 specimens. The analyst will not need any additional data to complete the analysis and will not need to retrieve information by specifier. Which of the following is the best data structure for the analyst to use?

A. Relational database

B. Flat file

C. JSON

D. NoSQL

정답: B

설명: (DumpTOP 회원만 볼 수 있음)

문제4

An analyst reviews the following table:

Which of the following data types is represented in the values in the RefNo column?

A. Alphanumeric

B. Numeric

C. Currency

D. Real Number

정답: B

설명: (DumpTOP 회원만 볼 수 있음)

문제5

A data analyst is using a two-tailed, independent t-test to determine whether the type of stretching, dynamic or static, has any influence on a dancer's flexibility. Which of the following is the alternative hypothesis?

A. The means of the static and dynamic stretching groups do not differ from each other.

B. A dancer's flexibility is improved through static stretching.

C. The change in a dancer's flexibility is not equal to zero.

D. There is a difference in a dancer's flexibility between static and dynamic stretching.

정답: D

문제6

Each month an analyst needs to execute a data pull for the two prior months. Which of the following is the most efficient function for the analyst to use?

A. Logical

B. Aggregate

C. Date

D. System

정답: C

설명: (DumpTOP 회원만 볼 수 있음)

문제7

An analysts building a monthly report for production and wants to ensure the audience is aware of its once-a- month cadence. Which of the following is the MOST important to convey that information?

A. The data refresh date

B. Frequently asked questions

C. A report summary

D. The date of the dashboard build

정답: D

설명: (DumpTOP 회원만 볼 수 있음)

문제8

Given the table below:

Which of the following variable types BEST describes the "Year" column?

A. Alphanumeric

B. Numeric

C. Text

D. Date

정답: D

설명: (DumpTOP 회원만 볼 수 있음)

문제9

Which of the following report types is most appropriate for a high-level, year-end report requested by a Chief Executive Officer?

A. Recurring

B. Ad hoc

C. Dynamic

D. Self-service

정답: A

설명: (DumpTOP 회원만 볼 수 있음)

문제10

An analyst is currently working on a ticket for revamping a company-wide dashboard that has been in use for five years. Which of the following should be the first step in the development process?

A. Make changes to a frequently used report that is already in production.

B. Build an additional dashboard with fewer views that are tailored toward each specific team.

C. Talk to the group that made the request to determine the desired goal.

D. Develop a more streanMined dashboard to roll out by the next delivery date.

정답: C

설명: (DumpTOP 회원만 볼 수 있음)

문제11

You would like to measure how well an organization is achieving its goals.
What type of analysis should you perform?

A. Outlier analysis.

B. Trend analysis.

C. Performance analysis.

D. Predictive analysis.

정답: C

설명: (DumpTOP 회원만 볼 수 있음)

문제12

A data analyst is attempting to understand how ice cream consumption is affected by different attributes. such as cost, temperature. and income level. Which of the following regression analyses should the data analyst perform to understand this relationship?

A. Cox

B. Logistic

C. Ordinary least squares

D. Polynomial

정답: C

설명: (DumpTOP 회원만 볼 수 있음)

문제13

A data governance analyst who is reviewing a retailer's data set notices that sales data is captured at the regional level but not at the individual store level. Which of the following best describes the issue with this data set?

A. Data consistency

B. Data integrity

C. Data accuracy

D. Data attribute limitations

정답: D

설명: (DumpTOP 회원만 볼 수 있음)

문제14

Which of the following data protection methods provides confidentiality for data in transit?

A. De-identification

B. Anonymization

C. Encryption

D. Masking

정답: C

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