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NEW QUESTION # 105
What GAPP principle says that organizations should provide data subjects with the ability to review and update their personal information?
- A. Consent
- B. Notice
- C. Choice
- D. Access
Answer: D
NEW QUESTION # 106
Which one of the following in NOT a common data integration tool?
- A. APIs
- B. ETL
- C. ELT
- D. XSS
Answer: D
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 # 107
Data stewards protect the organization from legal violations that may result in costly fines and negative publicity.
- A. False.
- B. True.
Answer: B
NEW QUESTION # 108
Olivia has 15 people on her data analytics team. Her team's charter requires that all team members have read access to the finance, human resources, sales, and customer service areas of the corporate data warehouse.
What is the best way to provision access to her team?
Choose the best answer.
- A. Since there are four discrete data subjects, create one role for each subject area.
- B. Enable multifactor authentication (MFA) to protect the data.
- C. Since there are 15 people on her team, create a role for each person to improve security.
- D. Create a single role that includes finance, human resources, sales, and customer services data.
Answer: D
Explanation:
Correct answer D. Create a single role that includes finance, human resources, sales, and customer services data.
While MFA is a good security practice, it doesn't govern access to data.
Creating a single role for her team and assigning that role to the individuals on the team is the best approach.
NEW QUESTION # 109
A company's marketing department wants to do a promotional campaign next month. A data analyst on the team has been asked to perform customer segmentation, looking at how recently a customer bought the product, at what frequency, and at what value. Which of the following types of analysis would this practice be considered?
- A. Custer
- B. Prescriptive
- C. Trend
- D. Gap
Answer: A
Explanation:
Explanation
Customer segmentation is a type of cluster analysis, which is a method of grouping data points based on their similarities or differences. Cluster analysis can help identify patterns and trends in the data, as well as target specific groups of customers for marketing purposes. One common technique for customer segmentation is RFM analysis, which stands for recency, frequency, and monetary value. This technique assigns a score to each customer based on how recently they bought the product, how often they buy the product, and how much they spend on the product. These scores can then be used to create clusters of customers with different characteristics and preferences. Therefore, the correct answer is D. References: Cluster Analysis - Statistics Solutions, RFM Analysis: The Ultimate Guide for Customer Segmentation
NEW QUESTION # 110
Which one of the following values would not be appropriately stored in integer data type?
- A. 0
- B. 1
- C. 1.2
- D. 2
Answer: C
NEW QUESTION # 111
A data set was recorded using multimedia technology. Which of the following is a necessary step on the way to interpretation?
- A. Transcription
- B. Sampling
- C. Structural equation modeling
- D. Sequential analysis
Answer: A
Explanation:
Explanation
The correct answer is B. Transcription.
Transcription is a necessary step on the way to interpretation when a data set was recorded using multimedia technology. Multimedia technology refers to the use of various forms of media, such as audio, video, images, and text, to capture and present information1 Transcription is the process of converting multimedia data into written or textual form, which can then be analyzed using various methods and tools2 Transcription can help to make the data more accessible, searchable, and manageable, as well as to preserve the data for future use.
Structural equation modeling is not correct, because it is a statistical technique that tests the causal relationships between multiple variables using observed and latent variables. Structural equation modeling is not a necessary step on the way to interpretation, but rather an optional method that can be applied to certain types of data.
Sequential analysis is not correct, because it is a method of analyzing the order and timing of events or behaviors in a data set. Sequential analysis is not a necessary step on the way to interpretation, but rather an optional method that can be applied to certain types of data.
Sampling is not correct, because it is the process of selecting a subset of data from a larger population for analysis. Sampling is not a necessary step on the way to interpretation, but rather a preliminary step that can be done before collecting or analyzing the data.
NEW QUESTION # 112
A data analyst has been asked to create a daily manufacturing report for the floor manager Which of the following metrics should be included in the report?
- A. End-of-day stock price
- B. Daily corporate employee count
- C. Tons of steel produced per hour
- D. Annual sales budget
Answer: C
NEW QUESTION # 113
What is the final stage of the data lifecycle?
- A. Archive.
- B. Share.
- C. Store.
- D. Destroy.
Answer: D
Explanation:
Destroying data means it can no longer be read by an operating system or application. Merely deleting a file is insufficient. When you delete a file on an electronic device, you may not be able to see it any longer, but the information is still stored on the device's hard drive or memory chip.
When the time comes that you no longer need a document or set of documents, you should destroy them. Providing that they don't relate to company information, clients or employees, you are able to destroy them as frequently as you please.
NEW QUESTION # 114
Which of the following are reasons to conduct data cleansing? (Select two).
- A. To perform web scraping
- B. To increase the sample size
- C. To calculate trends
- D. To improve accuracy
- E. To track KPls
- F. To review data sets
Answer: C,D
Explanation:
Explanation
Two reasons to conduct data cleansing are:
To improve accuracy: Data cleansing helps to ensure that the data is correct, consistent, and reliable.
This can improve the quality and validity of the analysis, as well as the decision-making and outcomes based on the data12 To calculate trends: Data cleansing helps to remove or resolve any errors, outliers, or missing values that could distort or skew the data. This can help to identify and measure the patterns, changes, or relationships in the data over time13
NEW QUESTION # 115
A research analyst wants to determine whether the data being analyzed is connected to other datapoints. Which of the following is the BEST type of analysis to conduct?
- A. Link analysis
- B. Trend analysis
- C. Exploratory analysis
- D. Performance analysis
Answer: A
NEW QUESTION # 116
Which of the following data manipulation techniques is an example of a logical function?
- A. IF
- B. BOOLEAN
- C. AGGREGATE
- D. WHERE
Answer: B
NEW QUESTION # 117
A data analyst needs to create a weekly recurring report on sales performance and distribute it to all sales managers. Which of the following would be the BEST method to automate and ensure successful delivery for this task?
- A. Print out a copy.
- B. Implement subscription access delivery.
- C. Use scheduled report delivery.
- D. Upload the report to the server.
Answer: C
Explanation:
Explanation
Scheduled report delivery is a feature that allows a data analyst to automate the generation and distribution of a report at a specified time and frequency. This would be the best method to ensure that the sales managers receive the weekly report on sales performance without manual intervention. Subscription access delivery is a feature that allows users to subscribe to a report and access it on demand, but it does not automate the delivery.
Printing out a copy or uploading the report to the server are manual methods that require more time and effort from the data analyst. Reference: CertMaster Practice for Data+ Exam Prep - CompTIA
NEW QUESTION # 118
Which of the following is the correct data type for text?
- A. Float
- B. String
- C. Boolean
- D. Integer
Answer: B
Explanation:
Explanation
The correct data type for text is string. A string is a data type that represents a sequence of characters, such as letters, numbers, symbols, or spaces. A string can be enclosed by single quotes (' ') or double quotes (" ") in most programming languages. For example, 'Hello', "World", and "123" are all strings. The other options are not data types for text, but for other kinds of values. A boolean is a data type that represents a logical value, either true or false. An integer is a data type that represents a whole number, such as 1, 0, or -5. A float is a data type that represents a number with a fractional part, such as 3.14, 0.5, or -2.7. Reference: Data Types - W3Schools
NEW QUESTION # 119
A data analyst was asked to create a chart that shows the relationship between study hours and exam scores for each student using the data sets in the table below:
Which of the following charts would BEST represent the relationship between the variables?
- A. A scatter plot
- B. A histogram
- C. A heat map
- D. A bar chart
Answer: A
Explanation:
Explanation
This is because a scatter plot is a type of chart that shows the relationship between two variables for each observation or unit in a data set, such as study hours and exam scores for each student in this case. A scatter plot can be used to display and analyze the correlation, trend, or pattern among the variables, as well as identify any outliers or clusters in the data. For example, a scatter plot can show if there is a positive, negative, or no correlation between study hours and exam scores, as well as show if there are any students who have unusually high or low exam scores compared to their study hours. The other charts are not the best charts to represent the relationship between the variables. Here is why:
A histogram is a type of chart that shows the frequency or the count of values in a single variable for different intervals or bins, such as exam scores for different ranges in this case. A histogram can be used to display and analyze the distribution, shape, or spread of the variable, as well as identify any gaps, peaks, or skewness in the data. For example, a histogram can show if most students have high, low, or average exam scores, as well as show if there are any intervals that have no students at all.
A heat map is a type of chart that shows the intensity or the magnitude of values in two variables for different categories or groups, such as exam scores and study hours for different student names in this case. A heat map can be used to display and analyze the variation, contrast, or comparison among the categories or groups, as well as identify any hot spots, cold spots, or gradients in the data. For example, a heat map can show which students have higher or lower exam scores and study hours than others, as well as show if there is a color pattern that indicates a relationship between exam scores and study hours.
A bar chart is a type of chart that shows the value or the amount of a single variable for different categories or groups, such as exam scores for different student names in this case. A bar chart can be used to display and analyze the comparison, ranking, or proportion among the categories or groups, as well as identify any differences, similarities, or outliers in the data. For example, a bar chart can show which students have higher or lower exam scores than others, as well as show if there are any students who have exceptionally high or low exam scores.
NEW QUESTION # 120
How many variables may be shown in a simple pie chart?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION # 121
Given the data below:
In which of the following file formats is the data presented?
- A. CSV
- B. RIF
- C. XML
- D. Xs
Answer: A
NEW QUESTION # 122
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