What are the properties that are not required by the BASE model? Select one or m

Question

What are the properties that are not required by the BASE model? Select one or more: O a. Basically available b. Basic atomicity c. Soft consistency Od. Eventual durability Dynamo is a NoSQL database developed by Amazon. Which of the following about Dynamo is/are correct? Select one or more: a. Compared with relational databases, Dynamo is designed to operate with weaker consistency which can result in high availability O b. Dynamo provides simple read and write operations to a data item that can be uniquely identified by a key. c. Dynamo provides security related support for managing data, such as authentication and authorization. d. Dynamo is incrementally scalable and allows service owners to scale up and down based on their current request load.

Explanation / Answer

1)

a.BASIC AVAILABLE

3)
a.Hbase

4)
a.Collection

5)
b.MongoDB can support indexed on any attribute of documents in a collection

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