D-DS-OP-23

What is the primary purpose of Apache Kafka in a data processing architecture?A . Storing historical dataB . Running machine learning algorithmsC . Processing real-time data streamsD . Running complex SQL queriesView AnswerAnswer: C

Match each data type with its corresponding Redis data structure. View AnswerAnswer:

In the ELT process, data is transformed after being loaded into the target system. Which tools can be used for ELT? (Select all that apply)A . Apache HadoopB . Apache SparkC . TalendD . Microsoft SSISE . Amazon RedshiftView AnswerAnswer: BCD

How is replication implemented in Redis?A . Client-server communication protocol is used, whereby every client replicates data from the serverB . Data is shared among many computers to enable fault tolerance and data accessibilityC . Meta information is generated based on the client-server communication protocolD . The developer copies and...

Match each data type with its corresponding Redis data structure. View AnswerAnswer:

Which of the following are components of the ETL process? (Select all that apply)A . ExtractionB . TransmissionC . LoadingD . Transformation VisualizationView AnswerAnswer: ACD

Which IoT data processing tool uses a storage abstraction called Stream for continuous and unbounded data?A . Apache NiFiB . Apache StormC . PravegaD . EdgeX FoundryView AnswerAnswer: C

Match each data type with its corresponding Redis data structure. View AnswerAnswer:

Which tool provides fine-grained access control and security for Hadoop components?A . Apache AtlasB . Apache RangerC . Apache KnoxD . Apache HBaseView AnswerAnswer: B

What is the primary storage system used by the Hadoop ecosystem?A . MongoDBB . HDFSC . Amazon S3D . CassandraView AnswerAnswer: B