DA0-001 Brain Dumps, DA0-001 Reliable Exam Book

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Passing Score, Duration & Questions For The CompTIA DA0-001 Exam

Languages: English
Exam Length: 90 questions
Format: Multiple choice and performance-based
The passing score: 675 (on scale of 100-900)
Time Duration: 90 minutes

The CompTIA DA0-001 exam covers a range of topics, including data storage and management, database design and implementation, data analysis and reporting, and data security and compliance. Candidates must demonstrate a comprehensive understanding of these topics in order to pass the exam and earn their certification.

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CompTIA Data+ Certification Exam Sample Questions (Q217-Q222):

NEW QUESTION # 217
Which of the following types of analyses should be used to evaluate the connections and anomalies in a data set when either known patterns are being violated or new patterns are emerging?

A. Graph
B. Regression
C. Correlation
D. Descriptive

Answer: A

NEW QUESTION # 218
Which one of the following in NOT a common data integration tool?

A. ELT
B. APIs
C. ETL
D. XSS

Answer: D

Explanation:
Explanation
Cross-site Scripting (XSS) is a security vulnerability usually found in websites and/or web applications that accept user input.
XSS is a client-side vulnerability that targets other application users, while SQL injection is a server-side vulnerability that targets the application's database. How do I prevent XSS in PHP? Filter your inputs with a whitelist of allowed characters and use type hints or type casting.

NEW QUESTION # 219
Consider this dataset showing the retirement age of 11 people, in whole years:
54, 54, 54, 55, 56, 57, 57, 58, 58, 60, 60
This tables show a simple frequency distribution of the retirement age data.

A. 0
B. 1
C. 2
D. 3

Answer: C

Explanation:
Explanation:
A measure of central tendency (also referred to as measures of centre or central location) is a summary measure that attempts to describe a whole set of data with a single value that represents the middle or centre of its distribution.
There are three main measures of central tendency: the mode, the median and the mean. Each of these measures describes a different indication of the typical or central value in the distribution.
What is the mode?
The mode is the most commonly occurring value in a distribution.
The most commonly occurring value is 54, therefore the mode of this distribution is 54 years.

NEW QUESTION # 220
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?

A. 7,038
B. 9,600
C. 10,800
D. 10,600

Answer: D

Explanation:
This is because the number of datapoints increases each day by approximately 20% of the total number from the day before. Therefore, to find the number of datapoints on the next day, we can use the formula:

Plugging in the given values, we get:

Since we are dealing with whole numbers, we can round up the result to the nearest integer, which is 10,600.

NEW QUESTION # 221
Exhibit.

Which of the following logical statements results in Table B?

Answer: A

Explanation:
The logical statement that results in Table B is Option D. Option D is a logical statement that uses the AND operator to combine two conditions: Name = "Tom" and Region = "BC". The AND operator returns true only if both conditions are true, otherwise it returns false. Therefore, Option D will select only the rows from Table A that satisfy both conditions, which are rows 4, 5, 6, and 7. These rows form Table B, as shown below:
Name | Gender flag | Level | College | Code | Region Tom | Male | Elementary | A | BC | BC Kim | Female | Elementary | A | BC | BC Pat | Female | Elementary | A | BC | BC Ben | Male | Elementary | A | BC | BC The other options are not correct, as they use different logical operators or conditions that do not result in Table B. Option A uses the OR operator, which returns true if either condition is true, or both. Option A will select all the rows from Table A except row 3, which does not match either condition. Option B uses the NOT operator, which returns the opposite of the condition. Option B will select all the rows from Table A except rows 4, 5, 6, and 7, which match the condition. Option C uses a different condition, Region = "ON", which does not match any row in Table A. Option C will select no rows from Table A. Reference: [SQL Logical Operators - W3Schools]

NEW QUESTION # 222
......

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