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H13-711 HCIA-Big Data V2.0 Questions and Answers

Questions 4

During the transmission of Flume data, Sink will delete the event M channel after it has taken the data and written it to the destination.

Options:

A.

is correct

B.

False

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Questions 5

Fusionlnsight Manager externally supports REST interface, SNMP interface, SYSLOG interface

Options:

A.

True

B.

False

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Questions 6

Which of the following HDFS commands can be used to check the integrity of a data block?

Options:

A.

hdfs fsck / (correct answer>

B.

hdfs fsck / -delete

C.

hdfs dfsadmin -report

D.

hdfs balancer-threshold 1

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Questions 7

Fusioninsight HD system deployment elbow, if the Solr index is stored on HDFS by default, do you understand the following correctly?

Options:

A.

No need to consider how many shards are created on each SolrServer instance

B.

To ensure data reliability, multiple replicas must be created when creating an index

C.

Disk 10 is used when indexing through HDFS, so it is not recommended to deploy Solr on the same node as DataNode.

D.

When the Solr service parameter INDEX_STORED_ON_HDFS value is HDFS, the index of the created collection is stored on HDFS by default

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Questions 8

Are the main features of big data understood and described correctly? "Multiple choices"

Options:

A.

many sources, many formats

B.

grows fast and processing speed is fast

C.

has a large amount of storage and a large amount of calculation

D.

Low value density of data

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Questions 9

The order in which the YARN scheduler allocates resource requests, which of the following descriptions is correct.

Options:

A.

An arbitrary machine-> same rack-> Mochi resources

B.

Any machine-> local resources-> same rack

C.

Local resources-> Same rack-> Any machine

D.

Same rack-> Any machine-> Local Huangyuan

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Questions 10

Which parameter needs to be configured in YARN to set the maximum usage resource of queue QueueA?

Options:

A.

yam.scheduler. Capacity.root ^ QueueA.user-limit-factor

B.

yarn.scheduler. Capacily.root ^ QueueA.mini mum-user-limit-percent

C.

yarn.scheduler.capacity.root ^ QueueA.state

D.

yarn.scheduler.capacity.root ^ QueueA.maxirnum-capacity (correct case)

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Questions 11

The Fusioninsight HD management node provides a dual-machine HA mechanism. After the master node fails, the master and backup nodes need to implement failover manually.

Options:

A.

True

B.

False

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Questions 12

When deploying Solr on Fusionlnsighr HD, if you choose primes to be stored on local disk, it is recommended to give each SolrSeiver:

Options:

A.

Yes

B.

False

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Questions 13

What is the role of Kafka server deployment in Kafka cluster?

Options:

A.

Producer

B.

Consumer

C.

ZoaKeeper

D.

Broker

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Questions 14

In the Fusioninsight HD cluster, according to disk planning recommendations, on which disk should the / srv / BiqData partition be deployed?

Options:

A.

OS disk

B.

Metadata disk

C.

data disk

D.

Management Disk

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Questions 15

One of the following descriptions about the HDFS federation of the Hadoop distributed file system is correct? (Multiple choices)

Options:

A.

A Namespace uses a block pool to manage data blocks

B.

One namespace can use multiple block pools to manage data blocks

C.

The disk space of each block pool is physically shared and the logical space is isolated

D.

Support NameNode / Jamespace horizontal expansion

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Questions 16

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

Options:

A.

HTML

B.

XML

C.

Z-dimensional table

D.

JSON

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Questions 17

When planning and designing a Fusionlnsight HG cluster, the cluster has 150 nodes and is not deployed in a dual-plane network. For the description of the cluster network requirements, the following insertions are correct:

Options:

A.

All nodes in the business plane use 10GE networks

B.

Control nodes in the management plane use 10GE networks

C.

Data nodes in the management plane use the 1GE network

D.

Control nodes in the service plane use 1GE networks

E.

Management nodes in the management plane use 10GE networks

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Questions 18

Fusioninsight HD Loader 41, a connector can only be assigned to a job in use

Options:

A.

True

B.

False

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Questions 19

When the Spark application is running, what is the stage division basis?

Options:

A.

task

B.

taskSet

C.

action

D.

shuffle

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Questions 20

Among the following options, is the exact description of the role of the standby NameNode in Huawei Fusioninsight HD system? "Multiple choices"

Options:

A.

Hot standby for the main NameNode

B.

Prepare NameNode has no memory requirements

C.

Help the master NameNode merge the editor's log and reduce the startup time of the master NameNode

D.

The standby NameNode should be deployed to a node with the master NameNode

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Questions 21

Which of the following designs are considered in the planning process of the big data business consulting plan? (Multiple choices)

Options:

A.

Big data business model design

B.

Are business scenarios all planning?

C.

Design requirements for typical scenarios

D.

Scene decomposition and karma design

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Questions 22

What are the main features of big data analysis related technologies? (Multiple choices)

Options:

A.

Machine learning, full features

B.

Analysis of the relevance of events behind the data

C.

Based on massive data

D.

based on exact samples

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Questions 23

Loader only supports data import and export between relational databases and Hadoop HBase.

Options:

A.

True

B.

False

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Questions 24

What kind of computing tasks is the Map Reduce component good at?

Options:

A.

Iterative calculation

B offline calculation

B.

Real-time interactive computing

C.

Streaming computing

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Questions 25

The Kerberos system is designed with client / server structure and DES encryption technology to enable mutual authentication. Both the client and the server can perform identity authentication for each other.

Options:

A.

True

B.

False

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Questions 26

What are the main features of Hadoop HBase

A-high reliability

B. High performance

C. oriented

D. scalable

Options:

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Questions 27

RDDs can be generated from Hadoop-compatible file systems. After generation, RDD data can be partially updated by calling RDD operators.

Options:

A.

True

B.

wrong

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Questions 28

Regarding the alarm of insufficient Kafka disk capacity, what is the following analysis incorrect for possible reasons?

Options:

A.

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

B.

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

C.

Unreasonable business planning, resulting in uneven data distribution, and some disks have reached the upper limit of utilization

D.

Broker node failure caused

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Questions 29

In the Fusioninsight HD system, use the Streaming client shell command to view the topology or submit the topology failure. Which of the following positioning methods is correct? (Multiple choices)

Options:

A.

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

B.

Check the operation log of the main Nimbus to determine whether the Nimbus server is abnormal

C.

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

D.

View Worker line log

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Questions 30

Fusionlnsight HD is not supported by non-root users.

Options:

A.

True

B.

False

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Exam Code: H13-711
Exam Name: HCIA-Big Data V2.0
Last Update: Nov 29, 2023
Questions: 201
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