E20-065 Exam Questions

Which scenario would be ideal for processing Hadoop data with Hive?

The naive Bayer classifier is trained over 1600 movie reviews and then tested over 400 reviews. Here is the resulting confusion matrix: 190 (TP) 10(FN) 80 (FP) 120(TN) What are the...

Why would a company decide to use HBase to replace an existing relational database?

Which graph structure would best model the relationship between job seekers and employers?

What is an ideal use case for HDFS?

A marketing team creates a graph using a square for each data point, where the length of each side is set to the data value. The data values are 10 and 20. What is the lie factor o...

How does Latent Dinchlet Allocation (LDA) interpret a document?

What is a key beneficial characteristic of the Random Forest algorithm?

What advantage does replication provide while storing a file in HDFS?

Which library is NOT part of the Apache Spark distribution?

In which step in the visualization lifecycle would you determine how the raw data is stored?

What runs more efficiently because of Apache Tez?

What is an important simu-lation design consideration?

In a social network, what does it mean for a node to have a high degree but low betweenness?

A hotel chain runs a simul-ation on room pricing. They want to estimate revenue, per hotel, within +/- $10 with 95% confidence (Za/2=1.96). The estimated revenue standard deviation...

What is NOT a category of a NoSQL data store?

What are two visualization tools used for trivariate data?

You are analyzing written transcripts of focus groups conducted on product X. You approach is to use TF-IDF for your analysis. What combination of TF-IDF scores should you examine...

What is a characteristic of the trigram language model?

Refer to the exhibit. Assuming the node index starts at 1, what is the out-degree of node 3 in the adjacency matrix shown?

What describes how nodes in a social network are similar to each other in characteristics?

In multinomial logistic regression, what is used to calculate the probability of outcome occurring?

What best describes tokenization?

What does YARN provide over and above MapReduce?

Consider the two sentences below. I mailed my credit card application to the bank We walked along the river bank until we came to a waterwheel What type of NLP ambiguity might occu...

What is a characteristic of lemmatization?

What elements are needed to determine the time complexity of finding all the cliques of size k in social network analysis?

What is a random subspace of features, as used by Random Forests?

What is an effective use of color in visualization?

How can you improve processing performance in HIVE?

What are key characteristics of regular lattices?

What are the major components of the YARN architecture?

Refer to the exhibit. In the graph, which edge would be considered a weak lie?

Refer to the exhibit. If two of the communities are re-designated to be one community, how does that change the network characteristics?

A simul-ation to compare two different sales models yields different results for the same set of input variables in different runs. What is the likely cause?

What is a characteristic of stemming?

What best describes the meaning behind the phrase "Six Degrees of Separation'"?

What are three of the eight visual variables?

After a client submits a job request to the YARN ResourceManager, what happens next?

What is a characteristic of spark?

In a typical multinomial logistic regression analysis involving six outcomes (class labels) and three input variables, how many model parameters will need to be estimated?

Which Hadoop Files System shell command copies data from a local file system into HDFS?

What do first-order and second-order Markov processes have in common concerning next word prediction?

Given an input vector of features, a Random Forests model performs a classification task and ends in a tie. How does the model handle this outcome?

Which HDFS feature protects against user errors causing accidental loss of data?

What process must address acoustic ambiguity in NLP?

A data engineer is asked to process several large datasets using MapReduce. Upon initial inspection the engineer realizes that there are complex interdependencies between the datas...

What is a characteristic of stop words?

Which is NOT a tenet of the Apache Pig Philosophy?

What is a property of a good color model for ordinal data?