Practice Free A00-223 Exam Online Questions
Question #41
Which of the following is a technique used for distributed data storage in big data systems?
- A . HDFS (Hadoop Distributed File System)
- B . RAID (Redundant Array of Independent Disks)
- C . FTP (File Transfer Protocol)
- D . JSON (JavaScript Object Notation)
Correct Answer: A
Question #42
Which feature of SAS Federation Server allows access to data from multiple sources using a single query?
- A . Data Aggregation
- B . Data Virtualization
- C . Data Joins
- D . Data Parsing
Correct Answer: B
Question #43
Consider the following three data sets and the Pig program statement.
What is the expected behavior?
A = { a1:chararray, a2:int}
B = { b1:chararray, b2:int, b3:float}
C = { c1:chararray, c2:int, c3:float, c4:double}
Pig Program Statement:
D = JOIN A BY (a1, a2),
B BY (b1, b2, b3),
C BY (c1, c2, c3);?
- A . statement runs successfully
- B . statement gives a compile error JOIN can happen only on two data sets at a time
- C . statement gives a compile error that the JOIN columns have to equal number for all three data sets
- D . statement gives a compile error that the keyword INNER or LEFT OUTER or RIGHT OUTER or FULL is missing
Correct Answer: C