EMC D-DS-OP-23リアルに2024年最新のブレーン問題集で模擬試験問題集
D-DS-OP-23試験問題 リアルなD-DS-OP-23練習問題集
質問 # 15
Which tool builds batch processing as a special case of stream data processing?
- A. Apache Spark
- B. Apache Flink
- C. Apache Oozie
- D. Apache Hive
正解：B
質問 # 16
In Python, which data type is one dimensional and immutable?
- A. List
- B. Tuple
- C. Array
- D. Set
正解：B
質問 # 17
Which component of the Apache Atlas framework allows metadata to be added to the Atlas environment?
- A. Graph Engine
- B. Ingest/Export
- C. Apps
- D. Metadata Sources
正解：B
質問 # 18
What type of expertise is required to be an effective data engineer?
- A. Accounting
- B. Project management
- C. Business analysis
- D. Big Data tools
正解：D
質問 # 19
You are designing a genomics analysis application and need to set up an Apache Oozie job to execute a single MapReduce workflow at 12:00 AM EST every day.
Which Oozie job type should you implement?
- A. Workflow
- B. Bundle
- C. JobTracker
- D. Coordinator
正解：D
質問 # 20
What are three programming languages supported by Apache Spark?
- A. Python, R, and C++
- B. Python, R, and Scala
- C. PL/SQL, R, and Scala
- D. Python, C, and Scala
正解：B
質問 # 21
What is the primary focus of the EdgeX Foundry architecture?
- A. Big data analytics
- B. Edge computing and IoT devices
- C. Cloud computing
- D. Quantum computing
正解：B
質問 # 22
Match each Apache Storm component with its description.
正解：
解説：
質問 # 23
What is the purpose of memory management in Apache Flink?
- A. Control how much memory the runtime operations use
- B. Convert all of the data into Java objects
- C. Eliminate the need for serialization of the data
- D. Ensure no disk space is ever required
正解：A
質問 # 24
Which IoT data processing tool enables businesses to make real-time decisions to capitalize on the Analytics of Things (AoT)?
- A. Nautilus
- B. Apache NiFi
- C. Apache Kafka
- D. Pravega
正解：A
質問 # 25
Match each data type with its corresponding Redis data structure.
正解：
解説：
質問 # 26
Why is it important to control the capabilities of a workload during runtime in Kubernetes?
- A. Apply API authorization on a cluster
- B. Support data exfiltration from a pod
- C. Limit resource usage on a cluster
- D. Enable management of application secrets
正解：C
質問 # 27
Match each major support project of Hadoop with its definition.
正解：
解説：
質問 # 28
What is metadata in the context of data governance?
- A. Data access logs
- B. Data quality metrics
- C. Data encryption keys
- D. Data about data
正解：D
質問 # 29
Which NoSQL database type is best suited for handling graph-based data structures and complex relationships?
- A. Key-value store
- B. Column-family store
- C. Graph database
- D. Document store
正解：C
質問 # 30
What step in a query plan determines the best execution path for the provided query?
- A. Optimizer
- B. Algebrizer
- C. Execution
- D. Parser
正解：A
質問 # 31
A manufacturing organization intents to minimize production costs by analyzing real-time data after implementing IoT tools.
Which business driver would be affected if the organization follows this strategy?
- A. Product choices
- B. New sources of revenue
- C. Customer experience
- D. Operational efficiency
正解：D
質問 # 32
Which of the following accurately describes Apache Storm? (Select all that apply)
- A. A distributed stream processing system
- B. A machine learning library
- C. A batch processing framework
- D. A file storage system
正解：A
質問 # 33
What is a common use case for a document-based NoSQL database like MongoDB?
- A. Managing hierarchical data
- B. Performing complex SQL queries
- C. Storing structured tabular data
- D. Tracking real-time data streams
正解：A
質問 # 34
What is a data pipeline best practice related to Extract-Transform-Load (ETL) jobs?
- A. ETL jobs should be flexible to source data changes such as new variables or attributes.
- B. ETL jobs should be manually executed and monitored to ensure the highest quality.
- C. A failed ETL job should be re-run immediately without taking any corrective actions.
- D. A failed ETL job should always be marked as completed so that any other scheduled jobs can execute.
正解：A
質問 # 35
An organization has decided to structure their governance model to allow either a single individual or a team to control and maintain the master data.
Which governance model is being implemented?
- A. Distributed
- B. Federated
- C. Hybrid
- D. Centralized
正解：D
質問 # 36
What is a privacy regulation that aims to protect the personal data of European Union citizens?
- A. FERPA
- B. HIPAA
- C. GDPR
- D. CCPA
正解：C
質問 # 37
Which tool provides fine-grained access control and security for Hadoop components?
- A. Apache HBase
- B. Apache Knox
- C. Apache Atlas
- D. Apache Ranger
正解：D
質問 # 38
How is replication implemented in Redis?
- A. Data is shared among many computers to enable fault tolerance and data accessibility
- B. Client-server communication protocol is used, whereby every client replicates data from the server
- C. Meta information is generated based on the client-server communication protocol
- D. The developer copies and pastes the data in multiple databases
正解：A
質問 # 39
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