QUESTION: 1
You are configuring an Apache Phoenix operation on top of an Apache HBase server. The
operation executes a statement that joins an Apache Hive table and a Phoenix table.
You need to ensure that when the table is dropped, the table files are retained, but the table
metadata is removed from the Apache HCatalog.
Which type of table should you use?

A. internal
B. external
C. temp
D. Azure Table Storage

Answer(s): B
Reference:
https://phoenix.apache.org/hive_storage_handler.html
QUESTION: 2
Note: This question is part of a series of questions that use the same scenario. For your
convenience, the scenario is repeated in each question. Each question presents a different goal
and answer choices, but the text of the scenario is exactly the same in each question in this
series.
You have an initial dataset that contains the crime data from major cities.
You plan to build training models from the training data. You plan to automate the process of
adding more data to the training models and to constantly tune the models by using the
additional data, including data that is collected in near real-time. The system wil be used to
analyze event data gathered from many different sources, such as Internet of Things (IoT)
devices, live video surveil ance, and traffic activities, and to generate predictions of an increased
crime risk at a particular time and place.
You have an incoming data stream from Twitter and an incoming data stream from Facebook,
which are event-based only, rather than time-based. You also have a time interval stream every
10 seconds.
The data is in a key/value pair format. The value field represents a number that defines how
many times a hashtag occurs within a Facebook post, or how many times a Tweet that contains
a specific hashtag is retweeted.
You must use the appropriate data storage, stream analytics techniques, and Azure HDInsight
cluster types for the various tasks associated to the processing pipeline.
You need to meet the following stream analytics requirements:
? Send tuples to bolts in a random, round-robin sequence.
? Send tuples to a bolt based on one or more fields in the tuple.
Which type of stream grouping should you use for each requirement? To answer, drag the
appropriate grouping types to the correct requirements. Each grouping type may be used once,
more than once, or not at all. You may need to drag the split bar between panes or scroll to view
content.
NOTE: Each correct selection is worth one point.

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