Free DataStax Apache-Cassandra-Developer-Associate Exam Questions

Become DataStax Certified with updated Apache-Cassandra-Developer-Associate exam questions and correct answers

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Total 118 Questions | Updated On: Feb 09, 2026

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Question 1

Which is NOT true for a read repair?

A : Read repair is a process of repairing data replicas during a read request.

B : Read repair runs in the foreground as a blocking operation.

C : Read repair ensures that data in your cluster stays in sync.

D : Read repair always occurs when consistency level is ANY.

Answer: D

Question 2

What is wrong with this user-defined type (UDT) definition?

1. CREATE TYPE States (

2. id uuid PRIMARY KEY,

3. name text

4. );

A : UDTs cannot declare primary keys.

B : UUID is not a valid CQL data type.

C : Must start by CREATE TYPE IF NOT EXISTS.

D : The name should be all lower cases.

Answer: A

Question 3

What is a NOT a valid limitation for Cassandra counters?

A : Counters cannot be used for columns part of the PRIMARY KEY of a table.

B : Counter values cannot go below zero.

C : The value of a counter cannot be set.

D : A table that contains a counter can only contain counters.

Answer: B

Question 4

How to define the primary key of a Country table, if we want individual records by country and state, and filtered lists of cities by a population range?

A : PRIMARY KEY (country, state, city, population)

B : PRIMARY KEY ((country, state), city, population)

C : PRIMARY KEY ((country, state), population, city)

D : PRIMARY KEY (country, state, population, city)

Answer: C

Question 5

What is an example of hybrid-cloud deployment?

A : Cassandra in on-premise data center accessed from AWS virtual machines.

B : Cassandra deployed on both on-premise and on Azure virtual machines.

C : Cassandra in two inter-connected on-premise data centers.

D : Cassandra in two separate on-premise data centers.

Answer: B

Page: 1 / 24

Total 118 Questions | Updated On: Feb 09, 2026

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