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2021 Apr P2090-032 Study Guide Questions:
Q1. How is data stored in a Hadoop cluster?
A. The data is divided into blocks, and copies of these blocks are replicated across multiple servers in the Hadoop cluster.
B. The data converted into a single block, and the block is stored in just one of the servers in the Hadoop cluster.
C. The data is divided into blocks, each block is stored in a different server in the Hadoop cluster, but the blocks are not replicated.
D. The data is converted into a single block, and copies of this block are replicated across multiple servers in the Hadoop cluster.
Answer: A
Q2. Which of the following options contain security enhancements available in InfoSphere BigInsights (Choose two) ?
A. LDAP authentication
B. Secure file transfers through SFTP protocol.
C. Trusted Context.
D. Kerberos authentication protocol.
Answer: A,B
Q3. Which of the following options is CORRECT?
A. InfoSphere Streams submits queries to structured static data.
B. InfoSphere Streams submits queries to structured dynamic data.
C. InfoSphere Streams submits queries tounstructured dynamic data.
D. InfoSphere Streams submits dynamic data to pre-existing queries.
Answer: D
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Q4. Streams jobs can be monitored using the following tools (choose three):
A. Streams Studio.
B. Streams universal web management interface.
C. Streams console.
D. Streamtool command.
Answer: A,C,D
Q5. The following types of indexes are available in the InfoSphere BigInsights? Large Scaleindexing feature, EXCEPT:
A. MapReduce index
B. Parallel index
C. Real-time index
D. Partitioned index
Answer: A
Q6. Which of the following options best describes the differences between a traditional data warehouse environment and a Hadoop environment?
A. Traditional data warehousing environments are mostly ideal for analyzing structured data from various systems, while a Hadoop environment is well suited to deal with semi-structured and unstructured data, as well as when a data discovery process is needed.
B. Hadoop environments are mostly ideal for analyzing structured and semi-structured data from a single system, while traditional data warehousing environment is well suited to deal with unstructured data, as well as when a data discovery process is needed.
C. Typically, data stored in Hadoop environments is cleaned up before storing in the distributed file-system.
D. Typically, data stored in data warehousing environments is rarely filtered and pre-processed. On the other hand, data injected into Hadoop environments is always pre-processed and filtered.
Answer: A
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Q7. Which of the following options is CORRECT?
A. InfoSphere Streams optimizes its workload by aggregating an entire job into a single node.
B. InfoSphere Streams is onlyable to process traditional structured data from a variety of sources.
C. InfoSphere Streams does not allow you to dynamically add hosts and jobs
D. InfoSphere Streams high availability feature allows for processing elements (PEs) on failing nodes to be moved and automatically restarted, with communications re-routed, to a healthy node.
Answer: D
Q8. Hadoop environments are optimized for:
A. Processing transactions (random access).
B. Low latency data access.
C. Batch processingon large files.
D. Intensive calculation with little data.
Answer: C
Q9. In a traditional Hadoop stack, which of the following components provides data warehouse infrastructure and allows SQL developers and business analysts to leverage their existing
SQL skills?
A. Avro.
B. Hive.
C. Zookeeper.
D. Text analytics.
Answer: B
Q10. What is the purpose of IBM InfoSphere Streams Studio?
A. IBM InfoSphere Streams Studio is an Eclipse-ready tool that enables you to create, edit, visualize, test, debug, and run MapReduce jobs for virtualized applications.
B. IBM InfoSphere Streams Studio is an Eclipse-ready tool that enables you to create, edit, visualize, test, debug, and run Streams Processing Language (SPL) and SPL mixed-mode applications.
C. IBM InfoSphere Streams Studio provides an integrated, modular environment for
database development and administration of DB2 databases, Informix, and other non-IBM databases.
D. IBM InfoSphere Streams Studio improves performance and cuts costs by providing
expert advice on writing high quality queries and improving database design.
Answer: B