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Which of the following statements about the comparison of Sparkstreamingi and Streaming is incorrect?

A.

SparkStreaming:It is a micro-batch framework, and events need to be processed when they are exhausted to a certain amount

B.

The execution logic of Streamingl is to start immediately, and then recycle after running.

C.

The throughput of SparkStreaming is about 2-5 times that of Streaming

D.

SparkStreaming event processing latency is higher than Streaming

What modules does the Spark framework include?

A.

Spark SQL

B.

Spark Streaming

C.

Spark GraphX

D.

Spark Mllib

Among the following options, which are the processes that MapReduce will have?

A.

Ccombine

B.

Map

C.

Reduce

D.

Partition

What are the storage formats supported by Hive in the Fusioninsight HD system?

A.

HFile

B.

TextFile

C.

SequenceFile

D.

RCFile

In the Fusioninsight product, which statement is correct about the Kafka component?

A.

When creating a topic, the number of replicas must not be greater than the number of currently surviving Broker instances, otherwise the topic creation will fail

B.

When the Producer of Kafkal sends a message, it can specify which Consumer consumes the message

C.

Kafka will store metadata information in Zookeeper for

D.

After Kafka is installed, the sensitive data storage directory cannot be configured.

Which parts of the data need to be read to execute the HBase data reading business?

A.

HLog

B.

MemStore

C.

HFile

D.

HMaster

What are the key features of Streaming in Huawei's big data product Fusioninsight HD?

A.

flexibility

B.

Scalability

C.

Disaster recovery capability

D.

message reliability

Which of the following statements about the interaction between F1ink and other components is correct?

A.

The implementation of Flink's checkpoint relies on Zookeeper

B.

Flink can send received components to Kafka

C.

The running of Flink tasks relies on YARN for resource scheduling and management

D.

Flink reads and writes data in HDFS file system

In a Fusionlnsight HD cluster, if the recommended deployment scheme is adopted with a cluster size of 300 nodes, which partitions must not exist on the control node?

A.

/

B.

/srv/BigData/dbdata_om

C.

/srv/BigData

D.

/srv/Bigdata/umatnode

E.

/srv/Bigdata/hadoop/data5

Which of the following statements about segment file in Kafka Logs is correct?

A.

Mapping all index metadata to memory can avoid index data IO disk operations of segmentfile

B.

The index file is sparsely stored, which can greatly reduce the space occupied by the metadata of the index file

C.

Sparse storage, that is, to store the original complete data only at intervals

D.

Message can be quickly located through index information

When executing the HBases data reading business, which parts of the data need to be read?

A.

HFile

B.

HLog

C.

MemStore

D.

HMaster

Which of the following components must depend on Zookeeper to run?

A.

HDFS

B.

HBase

C.

Spark

D.

YARN

Which of the following RESTful request methods belong to ElastieSearch?

A.

Update

B.

Delete

C.

Get

D.

Post

Which is not the channel type of Flume

A.

Memory Channel

B.

File Channel

C.

JDBC Channel

D.

HDES Channel

Which of the following scenarios is Flumej suitable for data collection?

A.

Collect data on data sources such as Thrift, Avro, Syslog, Kafka, etC.

B.

Local file data collection

C.

Collection of logs generated by the application system

D.

Real-time data collection of large amounts of data