IBM C2090-136 問題集

質問 1：
A police department needs to identify crime patterns by time and location so that the department is able to
pinpoint hot spots of activity and better deploy police resources to deter crime Which strategy can this
police department use?
A. Store all the historical crime, computer aided dispatch, and 911 emergency call data into a big data
platform first, then predict crime pattern using this single source.
B. Build a predictive model to analyze crime patterns lo develop effective strategies for reducing crime
rates while optimizing police resources
C. Build real time crime dashboards from computer aided dispatch and 911 emergency call data.
D. Hire a team of data scientists to analyze 911 emergency call data.
正解：A

質問 2：
A public utility customer wants to detect anomalous conditions from data received from hundreds of
thousands of sensors that monitor load and heat throughout their network. This data needs to be
analyzed near real time in order to make adjustments before a piece of equipment shuts down or fails
from an overload. This is an example of what type of data?
A. Relational Data
B. Unstructured Data
C. Streaming Data
D. Structured Data
正解：D

質問 3：
A customer operating a quick serve restaurant chain uses an interactive menu system that has the
capability to Chang the information presented based on the knowledge of the customer and the
preplanned menu selection currently being promoted The marketing department uses this information as
well as other information such as weather readings, menu item profitability and menu item availability to
determine which products to include in future promotions What type of analytics does this represent?
A. Unstructured Analytics
B. Data-at-Rest Analytics
C. Structured Analytics
D. Data-at-Motion Analytics
正解：A

質問 4：
Risk management is an important activity for most organizations today. Reducing operational risk may
require setting up barriers which may reduce business activities and hurt profitability. How can Big Data &
Analytics provide solutions that reduce risk while maintaining profitability?
A. Security/Intelligence Extension relies entirely on security technologies such as events. logs, and alerts.
B. Big data can support company-wide integrated data governance policies and procedures.
C. Predictive analytics can prevent in-flight transaction credit card fraud.
D. Focused and detailed fraud policy in each major department of a firm is more effective than an
integrated, therefore slow, performing solution.
正解：B

質問 5：
Which two statements are true for row oriented databases?
A. They are self-indexing which makes use of less disk space compared to a columnar Oriented database
system.
B. They are well suited for OLTP workloads which are more heavily loaded with Interactive transactions.
C. They are not well suited for OLTP workloads which are more heavily loaded with Interactive
transactions.
D. They are ideal when many columns of a single row are required at the same time and when row-size is
relatively small, as the entire row can be retrieved with a single disk read.
E. It has advantages for data warehouses, customer relationship management systems, and other adhoc
inquiry systems where aggregates are computed over large numbers of similar data items.
正解：B,D