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H13-711_V3.0 Exam Dumps - HCIA-Big Data V3.0

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Question # 57

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

A.

reduceByKey

B.

filter

C.

map

D.

saveAsTextFile

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Question # 58

The following figure shows the label storage strategy of HDFS. Observe the figure below, which data nodes will HBasel data be stored on

A.

DataNode A

B.

DataNode B

C.

DataNode E

D.

DataNode F

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Question # 59

Which of the followingOSWhich version is recommended for building a Fusioninsight V1R2C60 cluster?

A.

SUSE11 SP1/SP2/SP3 for AMD64&Inter64

B.

CentOS6.6

C.

redhat-6.4-x86_64

D.

RedHat-6.5-x86_64

E.

RedHat-6.7-x86_64F Ubuntu6.3

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Question # 60

When installing the Streaming component of FusionlnsightHD, the Nimbus role requires several nodes to be installed

A.

3

B.

2

C.

4

D.

1

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Question # 61

The order in which the YARN scheduler allocates resources, which one of the following descriptions is correct?

A.

Any machine -> same rack -> local resources

B.

Any machine -> local resources -> same rack

C.

Local resources -> same rack-＞Any machine

D.

Same rack->any machine->local resources

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Question # 62

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

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Question # 63

Regarding the alarm about insufficient disk capacity of Kafkat, which of the following analysis is incorrect for the possible reasons?

A.

The disk configuration used to store Kafka data (such as the number of disks, size, etC. ) cannot meet the current business data stream declaration, resulting in the disk usage reaching the upper limit

B.

The data storage time is configured too long, and the accumulated data reaches the upper limit of the disk usage.

C.

Unreasonable business planning results in uneven data distribution and makes some disks reach the upper limit of usage

D.

Caused by the failure of the rocker node

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Question # 64

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

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