Summer Sale Limited Time 65% Discount Offer - Ends in 0d 00h 00m 00s - Coupon code: ecus65

Huawei H13-711_V3.0 - HCIA-Big Data V3.0

Huawei H13-711_V3.0 Premium Access     Download Demo    
Page: 2 / 13
Total 649 questions

What data types of application scenarios is HBase of Hadoop not suitable for?

A.

Large file application scenarios

B.

Mass data application scenarios

C.

High throughput application scenarios

D.

Semi-structured data application scenarios

Existing server.channelsa=ch1, set the Channel type to File Channel, which of the following configurations is correct?

A.

server.channels.ch1.type file

B.

server.channels.chl.type memory

C.

server.channels.type memory

D.

server.channels.type file

Regarding DataSet, which of the following statements is incorrect?

A.

A DataSet is a strongly typed collection of domain-specific objects

B.

DataSet can perform most operations without deserialization

C.

DataSet needs to be deserialized to perform operations such as sort, filter, shuffle, etC.

D.

DataSet - highly similar to RDD. Better performance than RDD

RDD has Transformation and Action operators. Which of the following belongs to the Action operator?

A.

reduceByKey

B.

filter

C.

map

D.

saveAsTextFile

Which of the descriptions of ordinary tables and external tables in Hive is incorrect?

A.

Create a normal table by default

B.

The essence of the external table is to associate the file path that already exists on HDFS with the table

C.

When deleting a normal table, both metadata and data are deleted at the same time

D.

When deleting an external table, only the external table data is deleted without the metadata

When the Loader of Fusioninsight HD creates a job, what is the function of the connector?

A.

Determine what conversion steps are in place

B.

Provide optimization parameters to provide data import and export performance

C.

Configure how jobs connect to external data sources

D.

Configure how jobs connect to internal data sources

When HBasel is deployed in a Fusioninsight HD cluster with N nodes, it is recommended to deploy( )HMasteri process,( )A RegionServeri process.

A.

3, N

B.

N, N

C.

2, N

D.

2.2

In the Fusioninsight HD system, which of the following methods cannot view the execution result of the Loader job?

A.

Richard Suga via YARN tasks

B.

Check through the Loader UI interface

C.

View through the alarm of Managerb

D.

View through NodeManageri

The following descriptions about Kafkaf are wrong( )

A.

Used as the basis for activity streams and operational data processing pipelines

B.

Developed by Apache Hadoop and open sourced in 2011

C.

It has the characteristics of information persistence, high throughput, real-time, etC.

D.

Implemented using Scala, Java language

What is the file format of data storage in HBase?

A.

HFile

B.

HLog

C.

TextFile

D.

SequenceFile

Which of the following is not a state store supported by Flink( )?

A.

FsStateBackend

B.

RocksDBStateBackend

C.

MemoryStateBackend

D.

FileStateBackend

In the Fusioninsight HD system, which component does the flume data flow not need to pass through in the node?

A.

sink

B.

topic

C.

Source

D.

Channel

The picture below shows Sparke&MapReduce performance comparison data, it can be concluded that compared with MapReducei computing, Spark uses( )resources, get( )double the performance?

A.

1/8, 3

B.

1/10, 3

C.

1/10, 4

D.

1/8, 4

Which of the following descriptions about Kafka partition offset is incorrect?

A.

Consumers track records by (offset, partition, topic)

B.

Uniquely tag a message

C.

offset is a String type string

D.

The position of each message in the file is called offset

In the Fusioninsight product, which of the following descriptions about kafka's topicl is incorrect?

A.

The number of Topic partitions can be configured when creating

B.

Each topic can only be divided into one partition area

C.

Each message published to kafka has a category, which is called topic and can also be understood as a queue for storing messages

D.

Each partition corresponds to a log file at the storage level, and the log file records all message data