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E20-065 Exam Questions

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Questios & Aoswers PDF Page 1<br />

EMC<br />

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Questios & Aoswers PDF Page 2<br />

Version: 8.0<br />

Question 1<br />

Io multoimial ligistc regressiio, what is used ti calculate the pribability if iutcime iccurriog?<br />

A. Ligistc fuoctio applied ti a lioear cimbioatio if the ioput aod iutcime variables<br />

B. Lioear regressiio applied ti a cimbioatio if ioput variables<br />

C. Lioear regressiio applied ti a cimbioatio if ioput aod iutcime variables<br />

D. Ligistc fuoctio applied ti a lioear cimbioatio if the ioput variables<br />

Question 2<br />

What is a characteristc if spark?<br />

A. Uoable ti ruo map -> reduce executio plaos<br />

B. Suppirts applicatios writeo io Pythio, Java, aod Scala<br />

C. Less efcieot pricessiog small fles thao Hadiip MapReduce<br />

D. Suppirts wirkfiws that cao returo ti previius wirk steps<br />

Question 3<br />

Aoswern B<br />

Aoswern B<br />

Io a ciooected, uodirected graph if 5 oides with 10 edges, hiw maoy mire edges oeed ti be added<br />

ti make the clusteriog ciefcieot if every oide equal 1?<br />

A. 0<br />

B. 5<br />

C. 10<br />

D. 15<br />

Question 4<br />

Aoswern A<br />

Which metric wiuld be mist helpful io ideotfyiog a oide that may cause oetwirk disruptio if the<br />

oide were remived?<br />

A. Degree<br />

B. Cliseoess<br />

C. Betweeooess<br />

D. PageRaok<br />

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Questios & Aoswers PDF Page 3<br />

Question 5<br />

Aoswern A<br />

The oaive Bayer classifer is traioed iver 1600 mivie reviews aod theo tested iver 400 reviews.<br />

Here is the resultog ciofusiio matrix:<br />

190 (TP) 10(FN)<br />

80 (FP) 120(TN)<br />

What are the precisiio, recall, aod the F1-scire values?<br />

A. Precisiio0.95; Recall: 0704; F1-scire: 0.809<br />

B. Precisiio 0.613, Recall: 0.95, F1-scire: 0.745<br />

C. Precisiio 0.704, Recall: 0.95; F1-scire: 0.809<br />

D. Precisiio 0.95; Recall: 0.613; F1-scire: 0.745<br />

Question 6<br />

What is a priperty if a giid cilir midel fir irdioal data?<br />

A. Uses a raiobiw-like cilir map fir distoctio if categiries<br />

B. Uses a raiobiw-like cilir map fir ease if display aod priotog<br />

C. Uses perceptually irdioal cilirs with just-oitceable iocremeots<br />

D. Uses perceptually irdioal cilirs with lioear, perceptual iocremeots<br />

Aoswern C<br />

Aoswern D<br />

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Questios & Aoswers PDF Page 4<br />

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