C2090-102 Free Practice Test

What is the effective meaning of “NoSQL”?

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

Correct Answer: C
References:
http://www.sitepoint.com/sql-vs-nosql-differences/

Data Architects assess data according to several common characteristics. One of these characteristics is the type of data. Which of the following are data types that fall into this ontology? (Choose two.)

1. A. Master data
2. B. Meta data
3. C. Boolean
4. D. Composite
5. E. Integer

Correct Answer: AD

Which data format stores all of the data in a binary format making the files more compact, and will even add in markers to help Map Reduce jobs determine where to break large files for more efficient processing?

1. A. Parquet
2. B. Avro
3. C. ORC
4. D. Sequence File

Correct Answer: B
References:
http://www.ibmbigdatahub.com/blog/how-succeed-using-avro-storage-format

It’s helpful to look at the characteristics of big data along certain lines – for example, how the data is collected, analyzed and processed. There are many characteristics to consider. Which one of the following is NOT a characteristic that should be considered?

1. A. Data frequency and size
2. B. Software
3. C. Data source
4. D. Processing methodology

Correct Answer: B
References:
http://www.ibm.com/developerworks/library/bd-archpatterns1/

Which architecture document is used to help organize projects, manage the complexity of the solution, and ensurethat all architecturerequirements have been addressed?

1. A. Operational Model
2. B. Component Model
3. C. Connection Model
4. D. API Model

Correct Answer: B