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Apache Cassandra VIP Certification Practice Exam
CASSANDRA — This exam mirrors the DataStax Certified Apache Cassandra Developer Associate exam (DS220) and Administrator Associate exam (DS210), issued by DataStax; real exams consist of approximately 60 multiple-choice questions with a 90-minute limit and a 70% passing threshold.
29
Questions
90m
Time Limit
70.00%
To Pass
Question 1 of 29👑 VIP
A development team is designing a Cassandra table to store IoT sensor readings. Each sensor produces hundreds of readings per day and the application must query all readings for a given sensor within a specific date range. Which PRIMARY KEY definition best satisfies these requirements while avoiding unbounded partition growth? CREATE TABLE sensor_readings ( sensor_id uuid, bucket text, event_time timestamp, value double, PRIMARY KEY (??) );
Questions 2–29 and full explanations are VIP-exclusive.