DELL EMC D-DS-OP-23 Dell Data Engineering Optimize Online Training
DELL EMC D-DS-OP-23 Online Training
The questions for D-DS-OP-23 were last updated at Jan 30,2025.
- Exam Code: D-DS-OP-23
- Exam Name: Dell Data Engineering Optimize
- Certification Provider: DELL EMC
- Latest update: Jan 30,2025
A company needs to fill an opening for a key tactical data governance position. The new hire is to be a subject matter expert on customer data and ensure the data policies and standards are adhered to on a daily basis. This role bridges the gap between a data governance program and its execution.
What is a suitable job title for this role?
- A . Data miner
- B . Data scientist
- C . Data steward
- D . Data engineer
Which Cassandra data type represents a collection of key-value pairs, and is represented in curly brackets ({, }) and colon (:)?
- A . List
- B . Map
- C . Set
- D . UUID
What is the primary purpose of Apache Kafka in a data processing architecture?
- A . Storing historical data
- B . Running machine learning algorithms
- C . Processing real-time data streams
- D . Running complex SQL queries
What enables Pravega to rapidly ingest streaming data into durable storage?
- A . Apache Spark
- B . Append-only logs
- C . Relational database schema
- D . MongoDB
What is the purpose of sensor operators in Apache Airflow?
- A . Perform validation checks in parallel
- B . Move data sequentially from one system to another
- C . Use triggers to report each successive retry
- D . Use a poke method to monitor external processes
Why is it important to control the capabilities of a workload during runtime in Kubernetes?
- A . Limit resource usage on a cluster
- B . Apply API authorization on a cluster
- C . Enable management of application secrets
- D . Support data exfiltration from a pod
How is replication implemented in Redis?
- A . Client-server communication protocol is used, whereby every client replicates data from the server
- B . Data is shared among many computers to enable fault tolerance and data accessibility
- C . Meta information is generated based on the client-server communication protocol
- D . The developer copies and pastes the data in multiple databases
What is a difference between Data Governance and Master Data Management (MDM)?
- A . Data governance is an informal system of decision making.
MDM is a formal system of decision making. - B . Data governance implementation involves people, policies, rules, and metrics.
MDM is done automatically with no interference. - C . Data governance focuses mainly on IT practices.
MDM creates the rules and decisions for operational data processes. - D . Data Governance is a formalized system of decision making.
MDM is a comprehensive method to link all data elements to a common point of reference.
What is the data governance role that leverages the data for business purposes, such as increasing sales or reducing manufacturing costs?
- A . Data steward
- B . Data custodian
- C . Security specialist
- D . End user
What is a characteristic of Pig?
- A . Performs real-time reads and writes in HDFS
- B . Uses HiveQL to translate SQL queries into MapReduce jobs
- C . Data warehouse infrastructure that manages jobs in the cluster
- D . Alternative language to Java programming for MapReduce
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