WGU D326 DTMG 3179 Advanced Data Management FINALS REVIEW QUESTIONS & ANSWERS

WGU D326 DTMG 3179 Advanced Data Management FINALS REVIEW QUESTIONS & ANSWERS
1. Which of the following is NOT a characteristic of Big Data?
 - A) Volume
 - B) Velocity
 - C) Variety
 - D) Vulnerability
 ANS: D) Vulnerability
2. In a distributed computing environment, what does
"MapReduce" refer to?
 - A) A programming model for processing large data sets
 - B) A method of decreasing data storage requirements
 - C) An algorithm for sensor data collection
 - D) A visualization technique for geographical data
 ANS: A) A programming model for processing large data
sets
3. Which of the following data management technologies is most
associated with columnar storage?
 - A) MongoDB
 - B) Cassandra