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DA0-001 Exams Dumps, New DA0-001 Test Vce

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CompTIA DA0-001, also known as the CompTIA Data+ Certification Exam, is a certification exam designed for professionals who work with data in various capacities. DA0-001 Exam is offered by CompTIA, a leading provider of IT certifications, and is designed to test the knowledge and skills required to manage, analyze, and interpret data.

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CompTIA Data+ Certification Exam Sample Questions (Q45-Q50):

NEW QUESTION # 45
A business unit made the following modification to the values in a table:

Which of the following data quality dimensions was applied in this scenario?

A. Consistency
B. Accuracy
C. Completeness
D. Integrity

Answer: B

NEW QUESTION # 46
A customer's telephone number is in the format 123-456-7890. Which of the following data types is used for the phone number?

A. Text
B. Boolean
C. Number
D. Date

Answer: A

Explanation:
A telephone number, despite being composed of digits, is not used for calculations and often includes formatting characters such as hyphens (-). Therefore, the most appropriate data type for a telephone number is Text (or VARCHAR in SQL databases), which can accommodate various formats and lengths, and preserve leading zeros that might be present in some phone numbers. Storing phone numbers as numeric data types would strip away any formatting and could lead to the loss of significant leading digits (like zeros in international numbers).
* Boolean is a binary data type and only represents true or false values.
* Date is a data type used for dates.
* Number could technically store phone numbers, but it is not suitable due to the reasons mentioned above.
References:
* Best Practices for Storing Phone Numbers1
* Data Types in SQL for Phone Numbers2

NEW QUESTION # 47
A data analyst is working with a team to create a dashboard for a client who requires on-demand access.
Which of the following is the best delivery method to support the clients' requirement?

A. Subscription
B. Email
C. Scheduled
D. Static

Answer: A

Explanation:
Explanation
The best delivery method to support the client's requirement is C. Subscription.
Short explanation: A subscription is a delivery method that allows the client to access the dashboard on-demand, whenever they need it. A subscription can be set up by the data analyst or the client themselves, and it can be configured to send an email notification when the dashboard is updated or refreshed. A subscription also allows the client to view the dashboard online or download it as a file format of their choice12
A: Email is not the best delivery method because it does not allow the client to access the dashboard on-demand. Email deliveries are sent at a fixed time or frequency, and they may not reflect the latest data or changes in the dashboard. Email deliveries also have limitations on the file size and format of the dashboard attachments1
B: Scheduled is not the best delivery method because it does not allow the client to access the dashboard on-demand. Scheduled deliveries are similar to email deliveries, except that they are triggered by a specific event or condition, such as a data update or a threshold value. Scheduled deliveries also have the same limitations as email deliveries on the file size and format of the dashboard attachments1
D: Static is not the best delivery method because it does not allow the client to access the dashboard on-demand. Static deliveries are one-time deliveries that are manually generated by the data analyst or the client. Static deliveries do not update or refresh automatically, and they may become outdated or irrelevant over time. Static deliveries also have limitations on the file size and format of the dashboard files3

NEW QUESTION # 48
An analyst has been tracking company intranet usage and has been asked to create a chat to show the most- used/most-clicked portions of a homepage that contains more than 30 links. Which of the following visualizations would BEST illustrate this information?

A. Heat map
B. Pie chart
C. Scatter plot
D. Infographic

Answer: A

Explanation:
This is because a heat map is a visualization that uses colors to represent different values or intensities of a variable. A heat map can be used to show the most-used/most-clicked portions of a homepage that contains more than 30 links by assigning different colors to each link based on how frequently they are clicked by the users. For example, a link that is clicked very often can be colored red, while a link that is clicked rarely can be colored blue. A heat map can help the analyst to identify which links are more popular or important than others on the homepage. The other visualizations are not as effective as a heat map for this purpose. Here is why:
A scatter plot is a visualization that uses dots or points to represent the relationship between two variables. A scatter plot cannot show the most-used/most-clicked portions of a homepage that contain more than 30 links because it does not have a clear way of mapping each link to a point on the graph.
A pie chart is a visualization that uses slices or sectors to represent the proportion of each category in a whole.
A pie chart cannot show the most-used/most-clicked portions of a homepage that contains more than 30 links because it does not have enough space to display all the categories clearly and accurately.
An infographic is a visualization that uses images, icons, charts, and text to convey information or tell a story.
An infographic cannot show the most-used/most-clicked portions of a homepage that contain more than 30 links because it does not have a consistent or standardized way of representing each link and its click frequency.

NEW QUESTION # 49
A data analyst has removed the outliers from a data set due to large variances. Which of the following central tendencies would be the best measure to use?

A. Mean
B. Range
C. Median
D. Mode

Answer: A

NEW QUESTION # 50
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