This question examines the four characteristics of big data.

The characteristics of big data can be expressed in "4V", that is, Volume, Variety, Value, Velocity, the four V to summarize the characteristics of big data.

(1) huge volume of data (Volume)

(2) a wide variety of data types (Variety)

(3) low density of value (Value)

(4) high timeliness (Velocity)

The real-time traffic situation of intelligent transportation reflects the high timeliness of big data technology. D is chosen for this question.

Big Data Technology System

(1) Data Preparation Segment

(2) Data Storage and Management Segment

(3) Computational Processing Segment

(4) Data Analysis Segment

(5) Knowledge Presentation Session