최신 HDP Certified Developer HADOOP-PR000007 무료샘플문제:
1. Which one of the following statements describes a Hive user-defined aggregate function?
A) Operates on a single input row and produces a single row as output
B) Operates on multiple input rows and creates a single row as output
C) Operates on a single input row and produces a table as output
D) Operates on multiple input rows and produces a table as output
2. Which one of the following Hive commands uses an HCatalog table named x?
A) SELECT * FROM org.apache.hcatalog.hive.HCatLoader('x');
B) SELECT * FROM x;
C) Hive commands cannot reference an HCatalog table
D) SELECT x.-FROM org.apache.hcatalog.hive.HCatLoader('x');
3. You want to Ingest log files Into HDFS, which tool would you use?
A) HCatalog
B) Ambari
C) Flume
D) Sqoop
4. You have the following key-value pairs as output from your Map task:
A) Four
B) Five
C) Three
D) Two
E) One
F) Six
5. Assuming the following Hive query executes successfully:
Which one of the following statements describes the result set?
A) A frequency distribution of the top 80 words that follow the subsequence "you are" in the lines column
of the inputdata table.
B) A bigram of the top 80 sentences that contain the substring "you are" in the lines column of the input
data A1 table.
C) A trigram of the top 80 sentences that contain "you are" followed by a null space in the lines column of
the inputdata table.
D) An 80-value ngram of sentences that contain the words "you" or "are" in the lines column of the
inputdata table.
질문과 대답:
질문 # 1 정답: B | 질문 # 2 정답: A | 질문 # 3 정답: C | 질문 # 4 정답: B | 질문 # 5 정답: A |