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

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Total 649 questions

How is the HBaseM master elected?

A.

Randomly selected

B.

Adjudicated by RegionServer

C.

Adjudication via Zookeeper

D.

HMaster is a dual-master mode and does not need to be adjudicated

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

Which of the following programming languages is Spark implemented in?

AC

B.C++

C. JAVA

D. Scala

How many blocks are saved in HDFS by default in the FusionlnsightHD system?

A.

3

B.

2

C.

1

D.

uncertain

When deploying Fusioninsight HD, how many FlumeServer nodes are recommended to be deployed in the same cluster?

A.

1

B.

2

C.

3

D.

4

Which is not the channel type of Flume

A.

Memory Channel

B.

File Channel

C.

JDBC Channel

D.

HDES Channel

If HDFS is deployed with a single name node, what limitations may exist? (multiple choice)

A.

The amount of leaf swallowing of the entire distributed file system is limited by the throughput of a single name node

B.

It will affect the functional implementation of the upper-level components based on HDFS

C.

The number of objects (files, blocks) that a name node can hold is limited by the size of the memory space

D.

Failure of this unique name node will render the entire cluster unavailable

There are 230 nodes in the FusionlnsightHD cluster of a university. Which of the following processes should be deployed on the data nodes during cluster planning?

ADataNode

B. NameNode

C. NodeManager

D. RegionServer

E.DBServer

F.SolrServer

In Huawei's big data solution, which of the following components are included in the hadoop layer?

A.

Miner

B.

Spark

C.

Hive

D.

Flink

The following description about the flink window is wrong

A.

Rolling windows are overlapping in time

B.

Rolling windows are non-overlapping in time

C.

There is no overlap of time points between sliding windows

D.

Time points overlap between sliding windows

What are the main features of the YARN capacity scheduler

A.

flexibility

B.

multiple tenancy

C.

Dynamically update configuration files

D.

Capacity Guarantee

Which of the following options in HBaser command has the worst performance

A.

put

B.

get

C.

list

D.

Scan

The streaming client shell command in the FusionInsight HD system fails to view the topology or submit the topology. Which of the following positioning methods are correct?

A.

Check the Supervisori running log to determine whether the Supervisor is abnormal

B.

View worker running logs

C.

View the client exception stack to determine whether the client is using the problem

D.

Check the running log of the main nimbus to determine whether the nimbus server is abnormal

Regarding the task selection of the capacity scheduler, which of the following statements is correct?

A.

Maximum queue level first

B.

Minimum queue level first

C.

Resource recycling request queue priority

D.

The queue with the lowest resource utilization takes precedence

In Flink( )Interface for streaming data processing.( )interface for batch processing

A.

Stream API, Batch API

B.

Data Stream APl. DataSet AP

C.

DataBatch AP1.DataStreamAPIi

D.

BatchAP1, Stream APi