Infosys Certified Bigdata Testing Professional Obj
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Join Premium10 Infosys Certified Bigdata Testing Professional Obj practice questions with answers
Real Lex exam-pattern multiple-choice questions for the Infosys Certified Bigdata Testing Professional Obj certification. Each question includes the correct answer. The full question bank is available to Premium members.
- Question 1
Which of the following statements are true about Structured Data ?
Statement 1: Structured data concerns all data which can be stored in database in the form of rows and columns.
Statement 2: Structured data is relatively complex to store, query and analyze.
- ✓
Only Statement 1 is true.
Correct - B
Only Statement 2 is true.
- C
Both the statements are true.
- D
Both the statements are false.
- ✓
- Question 2
What is a Flume channel?
- ✓
A single log entry or unit of data which we transport further
Correct - B
The component by which data enters Flume workflows.
- C
A duct between the Sink and Source
- D
Any JVM that runs Flume
- ✓
- Question 3
How do we fetch the quantitative statistics (Min, Max, Median,1st Quart, 3rd Quart) of a data set in R?
- ✓
Quant (
Correct) - B
Stats (
) - C
summary(
- D
details(
)
- ✓
- Question 4
Which of the following is the fundamental data structure of Spark?
- ✓
RDD
Correct - B
DataFrame
- C
Dataset
- D
None of the above
- ✓
- Question 5
John and Peter are friends. While working on hive, John drops a database. Now figure out which of these is likely to happen?
- ✓
The tables inside the database get deleted along with the database.
Correct - B
The HDFS blocks in which it is stored are formatted.
- C
The database is deleted if there are no tables present.
- D
The command will throw an error
- ✓
- Question 6
Which of the following is a sample Compression De-compression (CODEC) algorithm in Hadoop?
- ✓
gzip
Correct - B
bzip2
- C
Snappy
- D
All the above
- ✓
- Question 7
If a client wants to store 1 GB of data in Apache Hadoop 1.0 cluster with a default replication factor, how many blocks would be required?
- ✓
16.0
Correct - B
32.0
- C
48.0
- D
64.0
- ✓
- Question 8
What is the full form of 'Sqoop' ?
- ✓
SQL to Hadoop and Processing
Correct - B
SQL to Hadoop and Hadoop to SQL
- C
SQL to Operations
- D
SQL to Hadoop and Hadoop to SQL Clusters
- ✓
- Question 9
In Hive, SerDe stands for ?
- ✓
serialize and Deserialize
Correct - B
serializer and Deserializer
- C
Serialize and Destruct
- D
Serve and Destruct
- ✓
- Question 10
Which of the following Non-Functional Testing areas are part of Infosys 4D++ Big Data Validation Framework?
- ✓
Data Ingestion Testing & Data Organization Testing
Correct - B
Performance Testing & Security Testing
- C
Performance Testing & Infrastructure Testing
- D
Volume Testing & Scalability Testing
- ✓
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