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

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Total 649 questions

When viewing the partition details of a TopicE of Kafka, which command should be used?

A.

bin/kafka-topiC. sh-create

B.

bin/kafka-topiC. sh -list

C.

bin/kafka-topiC. sh -describe

D.

bin/kafka-topiC. sh -delete

Which of the following options is correct about the meaning of Zookeeper reliability?

A.

Reliability is achieved through active and standby deployment

B.

Reliability means that the update can only succeed or fail, and there is no intermediate state

C.

Reliability means that no matter which server displays the same view to the outside world

D.

Reliability means that a message is received by one server, and it will be accepted by all servers

In Fusionlnsight HD cluster planning, manage nodes&control node&What kind of scenarios is the unified data node deployment solution suitable for?

A.

Below 30 nodes

B.

More than 100 nodes

C.

100-200 nodes

D.

More than 200 nodes

Which of the following options does the main role of Zookeeper in distributed applications not include?

A.

Election of Master Nodes

B.

Ensure data consistency on each node

C.

Allocate cluster resources

D.

Store server information in the cluster

In the Fusioninsight HD product, which statement about Kafka is incorrect?

A.

Kafka strongly depends on Zookeeper

B.

The number of instances deployed by Kafka must not be less than 2

C.

Kafkal server can generate messages

D.

Consumer consumes messages as the client role of Kafkal

What is the data scale unit of traditional data processing?

A.

TB

B.

EB

C.

PB

D.

GB

Which statement about the DataNodel of HDFS in Huawei Fusioninsight HD system is correct?

A.

Does not check the validity of the data

B.

Periodically send the block-related information of this node to the NameNode

C.

Blocks stored in different DataNodes must be different

D.

Blocks on a DataNode. can be the same

When planning a FusionlnsightHD cluster, if the customer does not have performance requirements for functional testing and saves costs, the management node, control node, and data node can be deployed together. How many nodes are required at least?

A.

2

B.

3

C.

4

D.

5

Which of the supervisor descriptions of Fusioninsight HD Streaming is correct?

A.

Supervisor is responsible for resource allocation and task scheduling

B.

Supervisort is responsible for accepting tasks assigned by Nimbus, starting and stopping Worker processes that belong to its own management

C.

Supervisor is a process that runs specific processing logic

D.

Supervisor is a component that receives data in Topology and then performs processing

Which of the following options belong to Hive's data storage model?

A.

surface

B.

bucket

C.

database

D.

partition

E.

all of the above

F1ink in( )interface for streaming data processing,( )interface for batch processing?

A.

Datastream API, DataSet API

B.

Data batch API.DataStream API

C.

Stream API.Batch API

D.

Batch API, Stream API

Fusioninsight HD Manager interface Hive log collection. Which option is incorrect?

A.

You can specify an instance for log collection, such as specifying a separate collection of MetaStorel logs

B.

You can specify a time period for log collection, for example, only collect logs from 2016-1-1 to 2016-140

C.

The node IP can be specified for log collection, for example, only the logs of a certain IP can be downloaded

D.

A specific user can be specified for log collection, for example, only the logs generated by userA can be downloaded

F1ume is used to collect data, and the basic unit of data transmitted by the device is

A.

Split

B.

Block

C.

Event

D.

Packet

In the operation process of F1ink, the role responsible for applying for resources is

A.

ResourceManager

B.

JobManager

C.

Client

D.

TaskManager

FusionInsight Manager manages services, which of the following statements is wrong?

A.

Can start, stop and restart the service

B.

Services can be added and uninstalled

C.

Uncommon services can be set to hide or show

D.

Can view the current status of the service