MIS final

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MapReduce

distributes the processing of very large multi-structured data files across a large cluster of ordinary machines/processors. Achieve high performance with "simple" computers

Which of the following statements contains valid syntax?

do increase=5 to 10 while (temperature lt 102);

Big data uses commodity hardware, which is expensive, specialized hardware that is custom built for a client or application

false

Current NoSQL tools are mature management and monitoring tools, and are used extensively

false

In the classigication of location-based analytic applications, examining geographic site locations falls in the consumer-oriented category

false

While cloud services are useful for small and midsize analytic applications, they are still limited in their ability to handle big data applications

false

Which of the following statements about using the BY statement with the SET statement is false?

first and last are stored in the table

To perform text mining

first, impose structure to the data, then mine the structured data

Which big data approach promotes efficiency, lower cost, and better performance by processing jobs in a shared, centrally managed pool of IT resources?

grid computing

Today, most smartphones are equipped with various instruments to measure jerk, orientation, and sense motion. One of these instruments is an accelerometer, and the other is a

gyroscope

Which data step statement indicates to continue processing the last row of a BY group?

if last.jobtitle;

NLP is

important concept in text mining, a subfield of artificial intelligence and computational linguistics, the studies of "understanding" the natural human language

allowing big data to be processed in memory and distributed across a dedicated set of nodes can solve complex problems in near-real time with highly accurate insights. What is this process called?

in memory analytics

Which function calculates the average of the columns week1, week2, week3, and week4?

mean(of Week1-Week4)

What kind of location-based analytics is a real-time marketing promotion?

organization-oriented location-based dynamic approach

Enablers of big data analytics: in-database analytics

placing analytic procedures close to where data is stored

Which of the following items cannot be accomplished with the PRINT procedure

produce summary reports

Which of the following functions can convert the values of the numeric variable level to character values?

put(level, 3.)

Which statement contains valid syntax for the RETAIN statement?

retain year 2018;

The portion of the IoT technology infrastructure that focuses on how to manage incoming data and analyze it is

software backend

Enablers of big data analytics: in-memory analytics

storing and processing the complete data set in RAM

Natural language processing

syntax versus semantics-based text mining

Traditional data warehouses have not been able to keep up with

the variety and complexity of data

From massive amounts of high-dimensional location data, algorithms that reduce the dimensionality of the data can be used to uncover trends, meaning, and relationship to eventually produce human-understandable representations

true

Hadoop was designed to handle petabytes and exabytes of data distributed over multiple nodes in parallel.

true

Internet of things (IoT_ is the phenomenon of connecting the physical world to the internet

true

What is the hadoop distributed file system designed to handle?

unstructured and semistructured non-relational data

data flows can be highly inconsistent, with periodic peaks, making data loads hard to manage. What is this feature of big data called?

variability

The three Vs that define big data

volume, variety, velocity

Which statement can be used to subset the rows read in a proc step

where

Text mining

A semi-automated process of extracting knowledge from unstructured data sources

Data integration

A challenge of big data analytics, the ability to combine data quickly and at a reasonable cost

How does hadoop work?

Access unstructured and semi-structured data, break it into "parts and replicate it multiple times and load into the file system.

What does web content mining involve?

Analyzing the unstructured content of web pages

What statement is true concerning the execution phase of the DATA step?

Data is processed in the program data vector (PDV)

REgional accents do not present challenges for natural language processing

False

Text analytics is the subset of text mining that handles information retrieval and extraction, plus data mining

False

Text analytics

Information retrieval + information extraction + data mining + web mining

How does hadoop work?

It breaks up Big Data into multiple parts so each part can be processed and analyzed at the same time on multiple computers.

What does advanced analytics for social media do?

It examines the content of online conversations.

Hadoop

Open source framework for storing and analyzing massive amounts of distributed, unstructured data. Opensource

What does a proc print report display by default?

Proc print displays all rows and columns in the table, a column for row numbers on the far left, and columns in the order in which they occur in the table

Which of the following statements are considered step boundaries (the end of one step and the beginning of another)?

Run, quit, data, and proc

This model allows consumers to use applications and software that run on distant computers in the cloud infrastructure

SaaS

Natural language processing (NLP) is associated with which of the following areas?

Text mining, AI, computational linguistics

Which statement is false?

The DO WHILE loop always executes at least one time

Which statement is false?

The KEEP statement names the columns to include from the input table

Which of the following is not created during the compilation phase of the data step?

The first row

Which statement is false concerning the sum statement?

The sum statement initially sets the accumulator column to missing

What do voice of the market (VOM) applications of sentiment analysis do?

They examine customer sentiment at the aggregate level.

Articles and Auxiliary verbs are assigned little value in text mining and are usually filtered out

True

Big data is being driven by the exponential growth, availability and use of information

True

Categorization and clustering of documents during text mining differ only in the pre-selection of categories.

True

Which statement about merging with the data step is true?

Two or more input tables can be merged in a data step

Which statement is false concerning the TRANSPOSE procedure?

Use a BY statement to sort the data while transposing

Enablers of big data analytics: Grid computing & MPP

Use of many machines and processors in parallel (MPP - Massively Parallel Processing)

Search engine optimization (SEO) is a means by which

Web site developers can increase web site search rankings

In text analysis, what is a lexicon?

a catalog of words, their synonyms, and their meanings

WordNet

a major resource for NLP, a hand-coded database of english words, their definitions, sets of synonyms, and various semantic relations between synonym sets... need automation to be completed

Sentiment Analysis

a technique used to detect favorable and unfavorable opinions toward specific products and services

The portion of the IoT technology infrastructure that focuses on controlling what and how information is captured is

applications

By default, proc freq creates a table of frequencies and percentages for which column types?

both character and numeric columns

Which of the following can be a way that the length of a new column is set in the data step?

by the first time that the column is referenced in the data step, in an assignment statement, or using a length statement

Which of the following files is a permanent sas file?

cerxl.quarter1

Enablers of big data analytics: Appliances

combining hardware, software, and storage in a single unit for performance and scalability

GPS navigation is an example of which kind of location-based analytics?

consumer-oriented geospatial static approach


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