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DA0-001 β€” questions

Page 13 of 15 Β· 294 total questions.

Topic 1 Β· Question 243

An analyst is looking at the relationship between age and certain health disparities. Which of the following analysis techniques should the analyst use?

  • ATrend
  • BLink
  • CPerformance
  • DExploratory (correct answer)
Reveal answer & explanation
Correct answer: D

The correct answer is D. Option D: Exploratory

Topic 1 Β· Question 244

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?

  • ATalk to the group that made the request to determine the desired goal. (correct answer)
  • BMake changes to a frequently used report that is already in production.
  • CBuild an additional dashboard with fewer views that are tailored toward each specific team.
  • DDevelop a more streamlined dashboard to roll out by the next delivery date.
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: Talk to the group that made the request to determine the desired goal.

Topic 1 Β· Question 245

A business analyst has performed the following steps: β€’ Reviewed research questions and business needs. β€’ Identified data needs and how to collect this information. β€’ Scoped the type of issues of interest based on the data. β€’ Outlined the time frame needed. Which of the following describes what the analyst is trying to develop with this process?

  • AType of analysis (correct answer)
  • BType of data structures
  • CType of observations
  • DType of measurements
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: Type of analysis

Topic 1 Β· Question 246

A company CRM has more than one million email addresses. The company wants to create a new reduced and simplified table that can be exported in a flat file. Which of the following analytics tools is the most appropriate?

  • AMS Excel
  • BPower BI
  • CRapidMiner
  • DSQL (correct answer)
Reveal answer & explanation
Correct answer: D

The correct answer is D. Option D: SQL

Topic 1 Β· Question 247

Which of the following best describes the process of examining data for statistics and information about the data?

  • ACleansing
  • BSearch
  • CProfiling (correct answer)
  • DGovernance
Reveal answer & explanation
Correct answer: C

The correct answer is C. Option C: Profiling

Topic 1 Β· Question 248

The marketing team has a C-level executive who requires a dashboard that displays real-time sales data and performance metrics. The dashboard needs to be accessible on the executives tablet during board meetings. Which of the following dashboard considerations is the most important?

  • AAudience (correct answer)
  • BTable dimensions
  • CData sources
  • DStreamlined access
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: Audience This option meets the real-time / low-latency performance requirement.

Topic 1 Β· Question 249

During an interview, a hiring manager asks an analyst about the analyst's experience using programming languages. The analyst has used HTML, Python, and SQL. Which of the following explains what the analyst has most likely used HTML to accomplish?

  • ATo collect data from user input on the internet
  • BTo design graphics on video games
  • CTo manipulate data with statistical functions
  • DTo develop the front end of a website (correct answer)
Reveal answer & explanation
Correct answer: D

The correct answer is D. Option D: To develop the front end of a website

Topic 1 Β· Question 250

A data set was recorded using multimedia technology. Which of the following is a necessary step on the way to interpretation?

  • AStructural equation modeling
  • BTranscription (correct answer)
  • CSequential analysis
  • DSampling
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: Transcription

Topic 1 Β· Question 251

An analyst is creating a chart that shows the frequencies of values of a variable bucketed into ranges. Which of the following is the most appropriate visual for the analyst to use?

  • ABox plot
  • BPie chart
  • CHistogram (correct answer)
  • DGantt chart
Reveal answer & explanation
Correct answer: C

The correct answer is C. Option C: Histogram

Topic 1 Β· Question 252

Which of the following data types is most commonly used to store address data?

  • AString (correct answer)
  • BArray
  • CBoolean
  • DNumeric
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: String

Topic 1 Β· Question 253

Which of the following is a reason to remove duplicate data?

  • AOnly the first column is desired.
  • BOnly ten rows of data are desired.
  • COnly unique values are desired. (correct answer)
  • DOnly every other row is desired.
Reveal answer & explanation
Correct answer: C

The correct answer is C. Option C: Only unique values are desired.

Topic 1 Β· Question 254

An analyst wants to test the association between the number of doors in a car and the number of gears in the car. Which of the following is the best test to use?

  • Af-test
  • BRegression test
  • CChi-squared test (correct answer)
  • DZ-test
Reveal answer & explanation
Correct answer: C

The correct answer is C. Option C: Chi-squared test

Topic 1 Β· Question 255

An analyst is currently working with a set of data and obtained the following summary: Which of the following analysis techniques is the analyst using?

Exhibit 1 for question 255
  • ATrend
  • BPerformance
  • CExploratory (correct answer)
  • DLink
Reveal answer & explanation
Correct answer: C

The correct answer is C. Option C: Exploratory

Topic 1 Β· Question 256

An analyst wants to compare a student's test performance to the overall performance of other students. Which of the following statistical methods would be best for this comparison?

  • Ap-value
  • BZ-score (correct answer)
  • Ct-test
  • DCorrelation
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: Z-score

Topic 1 Β· Question 257

An analyst needs to develop a visualization that highlights key company aspects. Which of the following visualizations should the analyst create?

  • AScatter plot
  • BHeat map
  • CInfographic (correct answer)
  • DWord cloud
Reveal answer & explanation
Correct answer: C

The correct answer is C. Option C: Infographic

Topic 1 Β· Question 258

Which of the following should a company do to allow remote employees to edit information in a secure database?

  • ASend updates over email.
  • BUtilize an API connection. (correct answer)
  • CCreate a web form.
  • DSet up a cloud drive.
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: Utilize an API connection. This option keeps traffic private / properly secured as required.

Topic 1 Β· Question 259

A sales manager requested a report that contains the first name, last name, and phone number of all of the company's customers and employees. The data engineer needs to return all the records from several tables, even duplicates. Which of the following is the best way to join the two tables?

  • AFULL OUTER JOIN
  • BFULL INNER JOIN
  • CLEFT OUTER JOIN
  • DCROSS JOIN (correct answer)
Reveal answer & explanation
Correct answer: D

The correct answer is D. Option D: CROSS JOIN

Topic 1 Β· Question 260

Which of the following database types is the best to use for transactional SQL?

  • ASnowflake schema
  • BHierarchical
  • CRelational (correct answer)
  • DStar schema
Reveal answer & explanation
Correct answer: C

The correct answer is C. Option C: Relational

Topic 1 Β· Question 261

A business intelligence manager is redesigning a company's internal dashboards. Which of the following is the best tool for the manager to use to preview the redesign?

  • AEmail
  • BWireframe (correct answer)
  • CWebsite
  • DSpreadsheet
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: Wireframe

Topic 1 Β· Question 262

A data analyst is building a closed won quarter-over-quarter report for the sales team. Which of the following will be needed to complete this request?

  • AThe report create date and closed dollar amount
  • BThe closed won quarter and the closed dollar amount (correct answer)
  • CThe segment and closed dollar amount
  • DThe closed won year and sales leader name
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: The closed won quarter and the closed dollar amount

Showing questions 241–260 of 294 Β· Page 13 of 15