Final answer:
The fully managed NoSQL database service provided by AWS is Amazon DynamoDB, offering low-latency access to data at any scale and supporting key-value and document data structures.
Step-by-step explanation:
The fully managed NoSQL database service offered by AWS Cloud services is Amazon DynamoDB. Amazon SQS is a message queuing service, Amazon ElastiCache is a caching service, and Amazon RDS is a managed relational database service for MySQL, PostgreSQL, Oracle, SQL Server, and MariaDB.
Amazon DynamoDB provides fast and predictable performance with seamless scalability. As a NoSQL database, DynamoDB supports key-value and document data structures, and it is designed to provide low-latency access to data at any scale. It is commonly used in mobile, web, gaming, ad tech, IoT, and many other applications sensitive to performance at scale.