[Mar-2023] Updated and Accurate DA0-001 Questions & Answers for passing the exam Quickly [Q49-Q70]

[Mar-2023] Updated and Accurate DA0-001 Questions & Answers for passing the exam Quickly [Q49-Q70]

March 22, 2023 latestexam 0 Comments

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[Mar-2023] Updated and Accurate DA0-001 Questions & Answers for passing the exam Quickly

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What Do You Know About The Need For CompTIA DA0-001 Exam

CompTIA Data+ is the industry’s standard for preparing for entry-level IT jobs. CompTIA Data+ validates that you have the skills needed to succeed in a technical career, and the certification can help you advance your career. CompTIA DA0-001 exam dumps will help your to make you career.

If you are interested in careers as a systems administrator, network engineer or software developer, this exam can help you show potential employers you have the necessary technical knowledge and skills.

The CompTIA Data+ certification covers topics such as storage networks, desktop support services, operating systems and more. It also includes a section on cloud computing, which helps prepare candidates for future job roles that may require them to use cloud-based technologies.

Things You Should Know about the CompTIA DA0-001 Exam

CompTIA Data+ is a certification that validates your understanding of the fundamentals of computer data storage and management. It’s a foundational certification that can be used to secure entry-level positions in various fields, such as IT, business intelligence, and application development.

CompTIA Data+ is not the only certification available for this subject matter. The CompTIA A+ and Microsoft Certified Solutions Associate exams also cover similar material. However, unlike those exams, CompTIA D+ does not have a pre-requisite requirement for passing it. If you already have a working knowledge of networking, operating systems (OS), and some basic computer concepts, you can prepare for this exam without any prior experience in these areas. CompTIA DA0-001 exam dumps will help you to clear the concepts.

CompTIA Data+ is designed to ensure that candidates have a thorough understanding of how data storage works and the basic concepts involved in managing it. This includes an understanding of how information is stored electronically on hard drives, solid-state drives (SSDs), magnetic tapes, optical discs and other storage devices; along with how data can be retrieved from these devices using appropriate software tools.

NEW QUESTION 49
The category PII (Personally identifiable information) includes all of the following, except_________.

Trade secrets.

Medical records.

Browsing habits.

Financial information.

NEW QUESTION 50
Angela is aggregating data from CRM system with data from an employee system.
While performing an initial quality check, she realizes that her employee ID is not associated with her identifier in the CRM system.
What kind of issues is Angela facing?
Choose the best answer.

ETL process.

Record linkage.

ELT process.

System integration.

While this scenario describes a system integration challenge that can be solved with ETL or ELT, Angela is facing a Record linkage issue.

NEW QUESTION 51
You would like to know whether the mean height of a group of children is statistically significantly different from that of another group.
What statistical test would be most appropriate?

Chi-square test

t-test

Sigma test

p-test

NEW QUESTION 52
Which of the following should be accomplished NEXT after understanding a business requirement for a data analysis report?

Rephrase the business requirement.

Determine the data necessary for the analysis

Build a mock dashboard/presentation layout.

Perform exploratory data analysis.

NEW QUESTION 53
An analyst runs a report on a daily basis, and the number of datapoints must be validated before the data can be analyzed. The number of datapoints increases each day by approximately 20% of the total number from the day before. On a given day, the number of datapoints was 8,798. Which of the following should be the total number of datapoints on the next day?

7,038

9,600

10,600

10,800

NEW QUESTION 54
A data analyst has been asked to merge the tables below, first performing an INNER JOIN and then a LEFT JOIN:

Customer Table –
In-store Transactions –

Which of the following describes the number of rows of data that can be expected after performing both joins in the order stated, considering the customer table as the main table?

INNER: 6 rows; LEFT: 9 rows

INNER: 9 rows; LEFT: 6 rows

INNER: 9 rows; LEFT: 15 rows

INNER: 15 rows; LEFT: 9 rows

NEW QUESTION 55
James wants to analyze profit based on sales of five different product categories.
His source data set consists of 5.8 million rows with columns including region, product category, product name, and sales price.
How should he manipulate the data to facilitate his analysis?
Choose the best answer.

Transpose by region and summarize.

Transpose by product category and summarize.

Transpose by product name and summarize.

Transpose by sales price and summarize.

Correct answer B. Transpose by product category and summarize.
We can transpose this data by product category to perform this analysis broken out by product category.
Transposing by sales price, region, or product name will not further his state analytical goal.

NEW QUESTION 56
Which one of the following is NOT one of the five dimensions of data quality?

Confidentiality.

Accuracy

Consistency.

Completeness.

NEW QUESTION 57
Maria is developing a script that will perform some common analytics tasks.
In order to improve the efficiency of her workflow, she is using a package called the Tidyverse.
What programming language is she using?

Python

Ruby

C++

The tidyverse is a collection of packages for the R programming language designed to facilitate the analytics workflow.
The tidyverse is not available for Python, Ruby, or C++, all of which are general-purpose programming languages.

NEW QUESTION 58
Zip code,____________, and___________ uniquely identify 87% of people in the United States.

first name, last name

phone number, email address

date of birth, gender

gender, first name

NEW QUESTION 59
Chris is building a database to store prices for items on a restaurant menu.
What data type is most appropriate for this field?

Numeric.

Date.

Tags.

Alphanumeric.

Prices are numbers stored in dollars and cents; as such, the data type needs to be capable of storing numbers.

NEW QUESTION 60
What data obfuscation technique is designed to be reversible?

Hashing

Tokenization

Masking

Deletion

NEW QUESTION 61
An analyst has received the requirements for an internal user dashboard. The analyst confirms the data sources and then creates a wireframe. Which of the following is the NEXT step the analyst should take in the dashboard creation process?

Optimize the dashboard.

Create subscriptions.

Get stakeholder approval.

Deploy to production.

NEW QUESTION 62
What type of metric is commonly shown on dashboards to assist senior leaders in assessing the organization’s progress toward significant goal?

KMI

KPI

KRI

KCI

NEW QUESTION 63
An analyst needs to conduct a quick analysis. Which of the following is the FIRST step the analyst should perform with the data?

Conduct an exploratory analysis and use descriptive statistics.

Conduct a trend analysis and use a scatter chart.

Conduct a link analysis and illustrate the connection points.

Conduct an initial analysis and use a Pareto chart.

NEW QUESTION 64
Which of the following is a control measure for preventing a data breach?

Data transmission

Data attribution

Data retention

Data encryption

NEW QUESTION 65
Ellen is a 17-year old student enrolled in her first year of college. Under Family Educational Rights and Privacy Act FERPA, who has the right to control disclosure of her educational records to third parties?

Ellen’s parents or guardians have this right.

In this situation, nobody is eligible to assert rights under FERPA.

The school exercises this right on Ellen’s behalf.

Ellen retains this right herself.

NEW QUESTION 66
What effort has the goal of maintaining a single source of truth for the most important data elements handled by the organization?

MDM (Master Data Management)

IPS (Intrusion Prevention System)

MAM (Mobile Application Management)

DLP (Data Loss Prevention)

Master data management (MDM) involves creating a single master record for each person, place, or thing in a business, from across internal and external data sources and applications. This information has been de-duplicated, reconciled and enriched, becoming a consistent, reliable source. Once created, this master data serves as a trusted view of business-critical data that can be managed and shared across the business to promote accurate reporting, reduce data errors, remove redundancy, and help workers make better-informed business decisions.

NEW QUESTION 67
What technique is used to swap the values in rows and columns of tabular data?

Transposition.

Regression.

Association.

Classification.

NEW QUESTION 68
Most data that exists in the world is structured data.

True

False

NEW QUESTION 69
How many variables are normally shown on a standard heat map?

NEW QUESTION 70
A publishing group has requested a dashboard to track submissions before publication. A key requirement is that all changes are tracked, as multiple users will be checking out documents and editing them before submissions are considered final. Which of the following is the BEST way to meet this stakeholder requirement?

Display the version number next to each submission on the dashboard.

Present a data refresh date at the top of the dashboard.

Confirm the dashboard is adhering to the corporate style guide.

Use permissions to ensure users only see certain versions of the submissions.

Loading …

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