C2090-102 Free Practice Test

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?

1. A. Nagios with YARN
2. B. Slider with YARN
3. C. Oozie with Lucene
4. D. OPTIM Performance Manager

Correct Answer: B

Which of the following is a requirement for data retention and archival?

1. A. A format and storage repository for archived data
2. B. Public cloud
3. C. Hosting location
4. D. Solid-state technology

Correct Answer: A

Which of the following statements regarding Big R is TRUE?

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

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

Which of the following statements is TRUE regarding cloud applications?

1. A. Migrating a legacy application to the cloud is a simple solution to drive down cost
2. B. Architecting and deploying a scalable cloud application requires a private cloud implementation
3. C. To be truly elastic, a cloud application must be tightly coupled to the physical cloud environment
4. D. Leveraging a private v
5. E. public cloud may result in sacrificing some of the core advantages of cloud computing

Correct Answer: B

Fine grain encryption and security for a Big Data engagement can be enabled and implemented by various IBM, ISV, and open source software products. Which of the following is NOT a security specific software product?

1. A. BigInsights
2. B. Guardium
3. C. OSSEC
4. D. Shiro

Correct Answer: A