Correct Answer : In-memory data grid
Explanation : Hazelcast is an open-source, distributed, in-memory data grid designed for high availability and scalability.
Correct Answer : IMap
Explanation : IMap is a distributed key-value store in Hazelcast that can be used for distributed caching.
Correct Answer : They are fully ACID-compliant
Explanation : Hazelcast’s distributed transactions are fully ACID-compliant, meaning they provide Atomicity, Consistency, Isolation, and Durability guarantees.
Correct Answer : Serialised
Explanation : Hazelcast saves queue entries in serialised form by default.