Online Access Free H13-711_V3.0 Practice Test

F1ink not only provides real-time computing that supports both high throughput and exact-once semantics, but also provides batch data processing.

• A.True
• B.False

In Spark SQL tables, there are often many small files (the size is much smaller than the HDFS block size). In this case, Spark will start more Tasks to process these small files. When there is a Shuffle operation in the SQL logic, it will Greatly increase the number of hash buckets. This seriously affects performance.

• A.True
• B.False

Flink is a computing framework that combines batch processing and stream processing. Its core is a stream data processing engine for data classification and parallel computing.

• A.True
• B.False

Which of the following options is a key feature of the HDFS architecture?

• A.HA high reliability
• B.robust mechanism
• C.multiple access mechanism
• D.Metadata Persistence Mechanism

Hadoop's NameNode is used to store the metadata of the file system.

• A.True
• B.False