NEW QUESTION 1
A telecommunication company is experiencing high churn rate. They have more than five million customers. They have more than 400TB of call detail records per year. The majority of their customers are prepaid, so they can change the telecom provider any time. In order to remedy the situation, they want to understand the customer behavior. For that reason they want to build the individual profile of each customer. They also want to enrich the profile by incorporating social media data. Given this set of requirements, which of the following would you recommend?

• A. Hadoop
• B. RDBMS
• C. Storm
• D. IBM Cloudant

Answer: C

Explanation:
References:
http://www.ibm.com/developerworks/library/os-twitterstorm/

NEW QUESTION 2
You need to set up a distributed storage system for being able to process very large data sets and you want to be able to leverage the Open Data Platform (ODP) Core. Which one of the following would you use?

• A. Apache Spark
• B. IBM GPFS
• C. EMC Isilon
• D. HDFS

Answer: B

NEW QUESTION 3
Which of the following is a consideration in sizing an active archive Hadoop infrastructure?

• A. replication factor within Hadoop
• B. Reporting requirements
• C. velocity or rate at which data is being generated
• D. veracity or trustworthiness of the data

Answer: B

Explanation:
Reference:
http://www.ibm.com/developerworks/library/ba-augment-data-warehouse3/

NEW QUESTION 4
A telco company is struggling to retain their high value customers.The marketing team has access to the billing data and is using it for customer segmentation. They would like to tap on network and social data to understand customer behavior before crafting any special offer. How best can they achieve this task?

• A. By loading both network and social data in the current Enterprise Data Warehouse, then run analytics
• B. By loading network and social data in BigInsights for exploration then moving resulting data to Enterprise Data Warehouse, and merging with billing data for analytics
• C. By loading network, social, and billing data in BigInsights and using available analytics tools
• D. By creating a dedicated data mart in their current Enterprise Data Warehouse

Answer: B

Explanation:
Reference:
https://ibmdatawarehousing.wordpress.com/category/ibm-data-warehouse/

NEW QUESTION 5
In BigSheets you can add sheets to workbooks to progressively edit and explore your data. Which of the following is a CORRECT list of types of sheets that BigSheets provides and can contain predefined logic for analyzing data?

• A. Copy, Formula, Update
• B. Filter, Insert, Union
• C. Distinct, Join, Stored Procedure
• D. Complement, Limit, Group

Answer: D

Explanation:
References:
https://developer.ibm.com/hadoop/blog/2014/08/18/use-bigsheets-analytics/

NEW QUESTION 6
What is the effective meaning of “NoSQL”?

• A. It does not permit the use of SQL
• B. It is not limited to relational database technology
• C. It does not have tables or schemas
• D. It does not permit UPDATE

Answer: C

Explanation:
References:
http://www.sitepoint.com/sql-vs-nosql-differences/

NEW QUESTION 7
Faced with a wide area network implementation, you have a need for asynchronous remote updates. Which one of the following would best address this use case?

• A. GPFS Active File Management allows data access and modifications even when remote storage cluster is unavailable
• B. HDFS Cluster rebalancing is compatible with data rebalancing scheme
• C. A scheme might automatically move data from one DataNode to another if the free space on a DataNode falls below a certain threshold
• D. GPFS File clones can be created from a regular file or a file in a snapshot using the mmclone command
• E. HDFS NameNode The NameNode keeps an image of the entire file systemnamespace and file Blockmap in memor
• F. This key metadata item is designed to be compact, such that a NameNode with 4 GB of RAM is plenty to support a huge number of files and directories

Answer: C

Explanation:
Reference:
http://www-01.ibm.com/support/knowledgecenter/STXKQY_4.1.1/com.ibm.spectrum.scale.v4 r11.adv.d oc/bl1adv_clones.htm

NEW QUESTION 8
Cloudant is defined by which of the following?

• A. A JSON document store
• B. A key/value store
• C. A graph database
• D. A column/family store

Answer: C

Explanation:
References:
http://www.redbooks.ibm.com/redpapers/pdfs/redp5126.pdf

NEW QUESTION 9
A large application vendor wants to port their existing distributed applications to run on Hadoop. In order to be competitive they need to provide monitoring and keep the size of the monitored applications consistent with the configuration. This implies the ability to deploy a replacement, for example, for any failed components. Which of the following would be a workable solution?

• A. Nagios with YARN
• B. Slider with YARN
• C. Oozie with Lucene
• D. OPTIM Performance Manager

Answer: B

NEW QUESTION 10
Which of the following statements is TRUE?

• A. A good use of the BigInsights is as a query-ready archival system for your data warehouse to quickly accessdata
• B. BigInsights and Hadoop based systems in general are best used in high concurrency transactional systems
• C. Hadoop map reduce based computing engine is ideal for use as a real-time or near real- time processingextension to your existing business intelligence reporting
• D. The system ML engine is the preferable option to add unstructured text sentiment analysis to the customerservice reporting system

Answer: A

Explanation:
References: http://www.ibm.com/support/knowledgecenter/SSPT3X_2.1.2/com.ibm.swg.im.infosphere.biginsights.product.doc/doc/bi_enterprise_architecture
.html

NEW QUESTION 11
A telecommunication company needs a Big Data solution that could store and analyze multiple years worth of call detail records (CDRs, aprox. 17 billion events per day) containing switch, billing, and network event data for its millions of subscribers. Which of the following would you recommend for these requirements?

• A. Infosphere DataStage
• B. DB2
• C. Pure Data System for Analytics
• D. SPSS

Answer: C

NEW QUESTION 12
Which of the following statements is TRUE regarding cloud based solutions?

• A. In a Platform as a Service Cloud deployment, the customer chooses the operating system they want to use
• B. Automated recovery from hardware or network failures is not possible in a public cloud implementation, onlyin a private clouds
• C. There are benefits to use the cloud even for small-scale applications
• D. Using firewalls to create network boundaries is sufficient for ensuring cloud security

Answer: C

Explanation:
References:
http://www.ibm.com/developerworks/cloud/library/cl-cloudappdevelop/

NEW QUESTION 13
Which of the following statements regarding Big R is TRUE?

• A. Unless specified otherwise, Big R automatically assumes all data to be integers
• B. Big R’s ‘bigr.frame’ is equivalent to R’s ‘data.frames’
• C. When you execute Big R “apply” function, Big R transparently extracts data out of HDFS into the Big R engine
• D. A data analyst using Big R employs Map Reduce programming principles

Answer: A

Explanation:
Reference:
https://developer.ibm.com/hadoop/docs/biginsights-value-add/big-r/bigr-tutorial/

NEW QUESTION 14
In computer science, which of the following represents a set of properties that guarantee that database transactions are processed reliably?

• A. Foreign Key
• B. Primary Key
• C. Buffer Cache
• D. ACID

Answer: D

Explanation:
References:
https://en.wikipedia.org/wiki/ACID

NEW QUESTION 15
As you explore the data for a BigSheets workbook, you must run the workbook against the full data set to get the most current results for analysis. Which statement is TRUE regarding running and visualizing data in a workbook?

• A. You can create graphs for more than one sheet within the same workbook
• B. By default, the first sheet in your workbook is named the Results sheet
• C. When you save and run the workbook, the data in a Child Workbook is theoutput for that workbook
• D. When you add sheets to workbooks, saving the sheets runs the individual data for the sheet but not for the full workbook

Answer: C

Explanation:
Reference:
https://www- 01.ibm.com/support/knowledgecenter/SSPT3X_4.1.0/com.ibm.swg.im.infosphere.biginsight s.analyze.doc/doc/bigsheets_con_workbooks.html

NEW QUESTION 16
In a typical Hadoop HA cluster, two separate machines are configured as which of the following?

• A. Data Nodes
• B. Edge Nodes
• C. Name Nodes
• D. None of the Above

Answer: A

Explanation:
Reference:
http://hadoop.apache.org/docs/current/hadoop-project-dist/hadoop-hdfs/HDFSHighAvailabilityWithQJM.html

NEW QUESTION 17
The NameNode determines the rack id to which each DataNode belongs via the process outlined in which of the following?

• A. HDFS APIs
• B. Hadoop Rack Awareness
• C. Job Tracker
• D. NameNode High Availability

Answer: D

NEW QUESTION 18
Which of the following statements is TRUE regarding Cloud deployment models?

• A. Performance and scalability requirements are a critical factor for deciding between Platform as a Serviceand Infrastructure as a Service deployment models
• B. In a platform as a Service offering, the customer has root access to the servers
• C. Applications with extremely high transactions volumes are good candidates for Platform as a Service
• D. In an infrastructure as a service deployment, the cloud provider provides security patching, monitoring andfail over capabilities

Answer: A

NEW QUESTION 19
Which of the following statements regarding Big R is TRUE?

• A. The Big R API is completely identical to the R API
• B. Big R implements an interpreted computer language
• C. Big R users cannot access Big R capabilities from the standard RStudio client as RStudio is not Hadoopenabled
• D. Big R utilizes the big SQL query engine for processing

Answer: D

Explanation:
References: https://www.ibm.com/support/knowledgecenter/SSPT3X_3.0.0/com.ibm.swg.im.i nfosphere. biginsights.bigr.doc/ doc/intro.html

NEW QUESTION 20
If the recovery point objective (RPO) is low, which of the following techniques would be the most appropriate?

• A. Clustering
• B. Database Shadowing
• C. Remote Journaling
• D. Tape Backup

Answer: A

Explanation:
References:
http://whatis.techtarget.com/definition/recovery-point-objective-RPO

NEW QUESTION 21
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