DA0-001 Practice Test

DA0-001 Practice Test practice questions, page 14 of 17, with answer review and explanations.

Question 66

Which of the following descriptive statistical methods are measures of central tendency? (Choose two.)

  1. Mean
  2. Minimum
  3. Mode
  4. Variance
  5. Correlation
  6. Maximum

Question 67

Which of the following will MOST likely be streamed live?

  1. Machine data
  2. Key-value pairs
  3. Delimited rows
  4. Flat files

Question 68

A database consists of one fact table that is composed of multiple dimensions. Depending on the dimension, each one can be represented by a denormalized table or multiple normalized tables. This structure is an example of a:

  1. transactional schema.
  2. star schema.
  3. non-relational schema.
  4. snowflake schema.

Question 69

Randy scored 76 on a math test, Katie scored 86 on a science test, Ralph scored 80 on a history test, and Jean scored 80 on an English test. The table below contains the mean and standard deviation of the scores for each of the courses: Using this information, which of the following students had the BEST score?

  1. Randy
  2. Katie
  3. Ralph
  4. Jean

Question 70

Given the data below: In which of the following file formats is the data presented?

  1. XLS
  2. CSV
  3. RTF
  4. XML