CompTIA Data+365 questions across 37 pages are complete and free, with no account or card.
365 questions in this bank
Free access · progress saved on this device
Given the image below:
Which of the following data schemas is portrayed?
Answer: D
D. star schemas are designed to be simple with denormalized dimensions. while snowflakes further normalizes the dimension tables into other tables
Source: Adapted from community discussion — nshg
Which of the following is a best practice when updating a legacy data source?
Answer: C
Which of the following BEST defines a data outlier?
Answer: C
An analyst needs to create a dashboard with three tiers of information: management, general public (internal users), and external stakeholders. The management team should be able to see all data, while the internal and external groups should see only subsets of that data. Which of the following is the BEST delivery consideration for the dashboard?
Answer: A
An analyst needs to modify an existing dashboard because data is often out of date. Which of the following is the BEST way for the analyst to help resolve the issue?
Answer: D
A data analyst has just finished cleansing a database table and is now ready to update the master. However, the analyst must first check to ensure all the work is accurate. Which of the following data quality checkpoints is the analyst using?
Answer: D
Which of the following is the correct data type for text?
Answer: B
B. The correct data type for text is a string. A string is a data type that represents a sequence of characters, such as letters, numbers, and symbols. Strings are often used to store and manipulate text data, such as names, addresses, and descriptions. The other options (Boolean, integer, and float) are not appropriate data types for text. A Boolean data type represents a true or false value, and an integer data type represents a whole number. A float data type represents a decimal number.
Source: Adapted from community discussion — CineFeX
Which of the following data formats are examples of unstructured data? (Choose two.)
Answer: DF
A data analyst is preparing a presentation for the company’s board of directors. The presentation will not contain any confidential information and will only be provided to the board members. Which of the following is the MOST important information to include in the presentation?
Answer: D
Given the following table:
Which of the following explains why this data set needs to be cleansed?
Answer: C
Keyboard:J Kmove between questionsA–Dselect an answerRshow or hide the answer← →change page
DA0-001 practice, question 61. 365 questions available.
Version 1.0.0. How we source questions