Which of the following statements are TRUE regarding the use of Data Click to load data into BigInsights? (Choose two.)
A. Big SQL cannot be used to access the data moved in by Data Click because the data is in Hive B. You must import metadata for all sources and targets that you want to make available for Data Click activities C. Connections from the relational database source to HDFS are discovered automatically from within Data Click D. Hive tables are automatically created every time you run an activity that moves data from a relational database into HDFS E. HBase tables are automatically created every time you ran an activity that moves data from a relational database into HDFS
C. Connections from the relational database source to HDFS are discovered automatically from within Data Click E. HBase tables are automatically created every time you ran an activity that moves data from a relational database into HDFS
The Distributed File Copy application copies files to and from a remote source to the InfoSphere BigInsights distributed file system by using data movement options. Which of the following is the complete list of options for moving data with Distributed File Copy?
A. File Transfer Protocol (FTP) and SFTP B. Hadoop Distributed File System (HDFS) and FTP C. General Parallel File System (GPFS), FTP, and SFTP D. Hadoop Distributed File System (HDFS), FTP, SFTP, GPFS, and also copy files to and from your local file system
D. Hadoop Distributed File System (HDFS), FTP, SFTP, GPFS, and also copy files to and from your local file system
A. When writing a new row, if all of the row data is supplied at the same time the entire row can be written with a single disk seek B. When columns of a single row are required at the same time, the entire row can be retrieved with a single disk seek regardless of row size C. When new values of a column are supplied for all rows at once, that column data can be written efficiently and replace old column data without touching any other columns for the rows D. When an aggregate needs to be computed over many rows but only a notably smaller subset of all columns of data, reading that smaller subset of data can be faster than reading all data
B. When columns of a single row are required at the same time, the entire row can be retrieved with a single disk seek regardless of row size
Which parameters are considered when configuring Big Match algorithm?
A. Search and custom requirements B. Accuracy, search, and performance C. Adaptive weighting and standardization D. Empirical components, accuracy, and performance
B. Accuracy, search, and performance
Question 88:
Which of the following is not a data-processing operations that is supported in Pig Latin?
A. filter B. joins C. group by D. logistic regression
Which of the following statements about MapReduce is true?
A. MapReduce source programs must be written in Java B. The output from MapReduce is one or more files stored in the DFS C. MapReduce programs always have four phases: Mapper, Shuffle, Combiner, and Reducer D. Intermediate files, sent from Map tasks to Reduce tasks, are replicated with the number of copies equal to the number of Reducers
B. The output from MapReduce is one or more files stored in the DFS
Question 90:
In Hive, there are a few different storage file format that can be used.
Which format allows data to be stored as a flat file consisting of binary key-value pairs?
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