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: Jul 29, 2025

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Question 1

You execute queries with CL THREE on a single datacenter cluster with RF 3.

Why all operations are strongly consistent?

A : Because this is equivalent to the ANY consistency level.

B : Because CL THREE guarantees strong consistency.

C : Because RF 3 guarantees strong consistency.

D : Because there are 3 replicas in total and they must all confirm any read or write operation.

Answer: D

Question 2

Define the primary key for accounts_by_user:

A : PRIMARY KEY (username, account_number ASC)

B : PRIMARY KEY ((username), account_number)

C : PRIMARY KEY (username, (account_number))

D : PRIMARY KEY ((username, account_number))

Answer: B

Question 3

Primary keys:

A : identify the nodes in the cluster that store the row(s).

B : uniquely identify rows in a table and determine their sort order.

C : uniquely identify rows in a partition and determine their sort order.

D : are alternative surrogate keys for row numbers.

Answer: B

Question 4

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

Question 5

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

Page: 1 / 24

Total 118 Questions | Updated On: Jul 29, 2025

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