You Are Choosing a NoSQL Database to Handle Telemetry Data

question 35

Multiple Choice

You are choosing a NoSQL database to handle telemetry data submitted from millions of Internet-of-Things (IoT) devices. The volume of data is growing at 100 TB per year, and each data entry has about 100 attributes. The data processing pipeline does not require atomicity, consistency, isolation, and durability (ACID) . However, high availability and low latency are required. You need to analyze the data by querying against individual fields. Which three databases meet your requirements? (Choose three.)

• A) Redis
• B) HBase
• C) MySQL
• D) MongoDB
• E) Cassandra
• F) HDFS with Hive

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Definitions:

Marginal Utility

The extra pleasure or benefit a consumer receives from using an additional unit of a product or service.

Demand Schedule

A table that lists the quantity of a good that consumers are willing and able to purchase at varying price points, at a specific moment in time.

Total Utility

The total satisfaction or benefit that a consumer derives from consuming a certain quantity of goods or services.

Consumer Surplus

Describes the difference between the total amount that consumers are willing and able to pay for a good or service and the total amount that they actually pay.