On startup, the NameNode enters a special state called Safemode. Replication of data blocks does not occur
when the NameNode is in the Safemode state. The NameNode receives Heartbeat and Blockreport messages
from the DataNodes. Which of the following contains the list of data blocks that a DataNode is hosting?

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 media company wants to enhance their subscription services to their end customers by incorporating Twitter,
Wikis, Blogs, and Analysts data. The company likes to provide a real-time dashboard view for news articles,
press releases, and analysts perspective to end customers based on their subscriptions. What solution
blueprint would offer the best fit for this critical business requirement?

Company K is designing their Big Data system. In their enterprise, they anticipate every 9 months there will be
a big spike of new data on the order of multiple TB. Their company policy also dictates that data older than one
year will be archived with a major clean up every 5 years. Cost is also a big issue. Which of the following
provides the best design for these requirements?

Data in motion is data that is constantly appended with new information. This type of data can be imported into
the distributed file system by using which of the following?

Which of the following is the section of the Component Model that details how the solution integrates?

Company A is searching for a browser-based visualization tool to perform analysis on vast amounts of data in
any structure. They want to execute operations such as pivot, slice and dice, among others. Which of the
following would meet these requirements?

A manufacturing company has decided they need to capture and analyze the log files of their software
automation system. Their business users are still trying to define the use cases but would want to start
capturing as they have had frequent outages. Given this, which of the following is the best software design
recommendation?

An upstream Oil and Gas Producer needs to optimize the performance of its assets. It needs to calculate Key
Performance Indicators for flow rate sensors deployed to monitor the output flow and temperature and
pressure for multiple pipelines in an oil field with hundreds of wells. Which of the following would you
recommend to meet these requirements?

The inputs to the Architectural Overview document do NOT include which of the following?