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

質問 1

Which of the following types of dashboards should a business intelligence engineer develop in order to provide information about failed data pipelines?

（A）Strategic

（B）Referencing

（C）Technical

（D）Operational

正解：D 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 2

A data analyst is asked to create a sales report for the second-quarter 2020 board meeting, which will include a review of the business's performance through the second quarter. The board meeting will be held on July 15, 2020, after the numbers are finalized. Which of the following report types should the data analyst create?

（A）Self-service

（B）Dynamic

（C）Static

（D）Real-time

正解：C 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 3

An analyst is working with a data set that lists individuals' first and last names in separate columns. Which of the following processes should the analyst use to combine the first and last names into a single spreadsheet cell?

（A）Merges

（B）Blend

（C）Concatenate

（D）Transpose

正解：C 解答を投票する

質問 4

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

（A）Anonymization

（B）De-identification

（C）Encryption

（D）Masking

正解：C 解答を投票する

質問 5

A data analyst needs to create a data visualization that aids in un the cumulative impact of sequentially introduced values that are positive or negative. Which of the following data visualization methods should the analyst use?

（A）A bubble chart

（B）A waterfall chart

（C）A scatter plot

（D）A line chart

正解：B 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 6

An analyst is building a new dashboard for a user. After an initial conversation with the user. the analyst created a mock-up of the dashboard. Which of the following best explains why the analyst created the mock-up?

（A）To identify the dimensions and measures

（B）To receive client approval for the final dashboard design

（C）To confirm important details before dashboard development begins

（D）To send to the client after deploying the dashboard to production

正解：C 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 7

A development company is constructing a new Init in its apartment complex. The complex has the following floor plans:

Using the average cost per square foot of the original floor plans. which of the following should be the price of the Rose Init?

（A）$705,200

（B）$640,900

（C）$702,500

（D）$690,000

正解：C 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 8

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）Start date

（B）Sales volume

（C）Customer name

（D）Product name

正解：C 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 9

An analyst is currently working on a ticket to revamp 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）Build an additional dashboard with fewer views tailored toward each specific team.

（B）Develop a more streamlined dashboard to roll out by the next delivery date.

（C）Make changes to a frequently used report that is already in production.

（D）Talk to the group that made the request to determine the desired goal.

正解：D 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 10

Samantha needs to share a list of her organization's top 50 customers with the VP of sales.
She would like to include the name of the customer, the business they represent, their contact information, and their total sales over the past year.
The VP does not have any specialized analytics skills or software but would like to make some personal notes on the dataset.
What would be the best tool for Samantha to use to share this information?

（A）SAS.

（B）Microsoft Excel.

（C）Power BI.

（D）Minitab.

正解：B 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 11

Taylor wants to investigate how manufacturing, marketing, and sales expenditures impact overall profitability for her company.
Which of the following systems is the most appropriate?

（A）OLTP.

（B）OLAP.

（C）Data mart.

（D）Data warehouse.

正解：D 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 12

An analyst needs to create an analytics dashboard for an employee intranet site to improve the search functionality, display relevant information, and maintain an updated FAQ page. Which of the following visualizations would best represent what employees are searching for?

（A）A histogram

（B）A word cloud

（C）A scatter plot

（D）A pie chart

正解：B 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 13

Which of the following data types should an analyst use to provide the most flexibility when recording emails on a form?

（A）Discrete

（B）Alphanumeric

（C）Text

（D）Continuous

正解：C 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 14

You have two databases tables that you would like to join together using a foreign key relationship.
What term best describes this action?

（A）Appending.

（B）Blending.

（C）Mixing.

（D）Merging.

正解：D 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 15

A data analyst is working for a shipping company and calculating the volume of boxes according to the following formula: volume = height × width × depth. Which of the following variable types describes volume?

（A）Derived

（B）Normalized

（C）Aggregated

（D）Concatenated

正解：A 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 16

Five dogs have the following heights in millimeters:
300, 430, 170, 470, 600
Which of the following is the mean height for the five dogs?

（A）405mm

（B）394mm

（C）504mm

（D）493mm

正解：B 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 17

A data analyst has been asked to create one table that has each employee's first name, last name, sales, and address. The sales and addresses are listed in the tables below:

Which of the following steps should the analyst take to create the table?

（A）Use lookup with the first name or first name to pull the address field from Table 2 into Table 1.

（B）Create a column that concatenates the first name and last name in each table. Use concatenate and lookup to bring the address field into Table 1.

（C）Use the append formula in both tables for the first name and last name. Use lookup to pull the address field from Table 2 into Table 1.

（D）Transpose the first name and last name in both tables. Use lookup to pull the address field from Table 2 into Table 1.

正解：B 解答を投票する

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

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