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Quiz 1
Solution
Q.1.
Which of the following is a primitive data type in Avro?
a) null
b) boolean
c) float
d) all of the mentioned
Q.2.
Point out the correct statement.
a) Records use the type name “record” and support three attributes
b) Enum are represented using JSON arrays
c) Avro data is always serialized with its schema
d) All of the mentioned
Q.3.
Avro supports ______ kinds of complex types.
a) 3
b) 4
c) 6
d) 7
Q.4.
________ are encoded as a series of blocks.
a) Arrays
b) Enum
c) Unions
d) Maps
Q.5.
Point out the wrong statement.
a) Record, enums and fixed are named types
b) Unions may immediately contain other unions
c) A namespace is a dot-separated sequence of such names
d) All of the mentioned
Q.6.
________ instances are encoded using the number of bytes declared in the schema.
a) Fixed
b) Enum
c) Unions
d) Maps
Q.7.
________ permits data written by one system to be efficiently sorted by another system.
a) Complex Data type
b) Order
c) Sort Order
d) All of the mentioned
Q.8.
_____________ are used between blocks to permit efficient splitting of files for MapReduce processing.
a) Codec
b) Data Marker
c) Synchronization markers
d) All of the mentioned
Q.9.
The __________ codec uses Google’s Snappy compression library.
a) null
b) snappy
c) deflate
d) none of the mentioned
Q.10.
Avro messages are framed as a list of _________
a) buffers
b) frames
c) rows
d) none of the mentioned
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