H13-711_V3.0-ENU試験無料問題集「Huawei HCIA-Big Data V3.0 認定」

In the HDFS federated environment, which of the following contents are included in the NameSpace

正解:A,C,D 解答を投票する
Which of the following descriptions about HBase. Secondary Index is correct

Zookeeper enhancements include adding ephemeral nodes to audit logsDeleted audit logs.

Fusioninsight is Huawei's unified platform for enterprise-level big data storage, query, and analysis. It can help enterprises quickly build massive data information processing systems, and discover new value points and business opportunities through real-time and non-real-time analysis and mining of massive information data.

ChannelE acts like a queue and is used to temporarily cache incoming dat a. When the sink successfully sends the data to the next-hop Channel or the final destination, the data will be removed from the Channel

Which of the following types of data is not semi-structured data?

A Kafka cluster contains one or more service instances, which are called( )

In the flume architecture, a Source can be connected to multiple channels.

The figure below shows the configuration of HDFS tiered storage. If the number of copies of a block is 4. Which of the following statements is wrong?

Hive does not check whether the data conforms to the schema during load. Hive follows the schema on read (read mode. Only when reading is Hive checks and parses specific data fields and schemas.

Neither Spark nor Hadoopi are suitable for iterative computing scenarios.

In the operation process of F1ink, the role responsible for applying for resources is

F1ink is a unified computing framework that combines batch processing and stream processing. Its core is a stream data processing engine for data distribution and parallel computing.

A Key Value format in the HBasel data file HFiler contains Key; Value, TimeStamp, KeyType, etC.

The smallest processing unit of HBase is Region. Where is the routing information between User Region and Region Server stored?

FusionlnsightHD uses the HBase client to write 10 pieces of data in batches. A Regionserver node contains 2 Regions of the table, A and B, respectively. Two of the 10 pieces of data belong to A.
4 belong to B.
Clearly write How many RPC requests do I need to send to the Regionserver to enter these 10 pieces of data?

RowKey of a table in HBase:Divide the SplitKey into 9, e, a, z. How many Regions does this table have?

The high reliability of Fusioninsight HD data is reflected in which of the following aspects?

正解:A,B,C,D 解答を投票する
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.

In YARN, "Which of the following work is the slave node responsible for?

正解:A,C,D 解答を投票する