DA0-001試験無料問題集（365題）「CompTIA Data+ Certification 認定」

出題：1

Which of the following is the most appropriate to consider when creating a schema of a central group broken into detailed subcategories?

A. Star

B. Snowflake

C. Relational

D. Hierarchical

正解：D 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：2

A data analyst has been asked to organize the table below in the following ways:
By sales from high to low -
By state in alphabetic order -

Which of the following functions will allow the data analyst to organize the table in this manner?

A. Sorting

B. Grouping

C. Filtering

D. Conditional formatting

正解：A 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：3

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. Date

B. System

C. Aggregate

D. Logical

正解：A 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：4

A data analyst is asked on the morning of April 9, 2020, to create a sales report that identifies sales year to date. The daily sales data is current through the end of the day. Which of the following date ranges should be on the report?

A. January 1, 2020 to April 7, 2020

B. January 1, 2020 to April 1, 2020

C. January 1, 2020 to April 8, 2020

D. January 1, 2020 to April 9, 2020

正解：D 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：5

A data analyst for a media company needs to determine the most popular movie genre. Given the table below:

Which of the following must be done to the Genre column before this task can be completed?

A. Merge

B. Delimit

C. Concatenate

D. Append

正解：B 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：6

Which of the following is the best description of discrete data types?

A. The frequency of the number of times each value occurs by using whole numbers

B. Non-numeric data used to describe attributes of a population sample

C. Non-numeric data used to describe attributes of a population sample ranked in a specific order

D. Numeric values that can be measured on a continuous scale

正解：A 解答を投票する

出題：7

A data analyst needs to create a dashboard using the company's yearly revenue data sets. Which of the following would be the best way to plot the information to show the top-performing region?

A. A waterfall chart

B. A line chart

C. A stacked bar chart

D. A heat map

正解：C 解答を投票する

出題：8

Which one of the following is a measure of dispersion?

A. Mean.

B. Median.

C. Variance.

D. Mode.

正解：C 解答を投票する

出題：9

Which one of the following programming languages is specifically designed for use in analytics applications?

A. R

B. C++

C. Python.

D. Java.

正解：A 解答を投票する

出題：10

A financial institution is reporting on sales performance to a company at the account level. Due to the sensitive nature of the government the does il with, some account information is not shown. Which of the following fields should be masked?

A. Customer name

B. Product name

C. Start date

D. Sales volume

正解：A 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：11

Which of the following best describe qualitative data? (Select two).

A. Batch

B. Real-time

C. Ordinal

D. Discrete

E. Continuous

F. Nominal

正解：C,F 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：12

Which of the following is an example of a discrete variable?

A. The number of people in an office

B. The time to complete a task

C. The height of a horse

D. The temperature of a hot tub

正解：A 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：13

Given the following report:

Which of the following components need to be added to ensure the report is point-in-time and static? (Select two).

A. A control group for the phrases

B. The date when the report was last accessed

C. Filter buttons for the status

D. The time period lhe report covers

E. The date on which the report was run

F. A summary of the KPIs

正解：B,E 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：14

Which of the following is an example of a at flat file?

A. CSV file

B. JPEG file

C. JSON file

D. PDF file

正解：B 解答を投票する

出題：15

Given the following graph:

Which of the following summary statements upholds integrity in data reporting?

A. Sales are approximately equal for Product A and Product B across all strategies.

B. Strategy 4 provides the best sales in comparison to other strategies.

C. While Strategy 2 does not result in the highest sales of Product D, over all products it appears to be the most effective.

D. Product D should be promoted more than the other products in all strategies.

正解：B 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：16

Which of the following analysis techniques is an unsupervised data mining process?

A. Descriptive

B. Predictive

C. Clustering

D. Regression

正解：C 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

DA0-001試験無料問題集「CompTIA Data+ Certification 認定」