최신 H13-711-ENU 무료덤프 - Huawei HCIA-Big Data(Huawei Certified ICT Associate-Big Data)

문제1

Which of the following descriptions about Zookeeper features is wrong?

A. The number of Zookeeper nodes must be an odd number.

B. A message must be received by more than half of the servers. It will be successfully written to disk

C. Message update can only succeed or fail, there is no intermediate state.

D. Updates sent by the client are applied in the order in which they were sent.

정답: A

문제2

There are two ways to clean up Kafka logs: delete and compact. The default value is delete.

A. True

B. False

정답: A

문제3

Which of the following options does the type of time operation supported by Flink include? (Multiple choice)

A. Event time

B. End time

C. Processing time

D. Acquisition time

정답: A,C

문제4

Which of the following operations can be done in the Streaming processing node Bolt? (Multiple choice)

A. Join operations

B. Business processing

C. Filter

D. Connect to the database

정답: A,B,C,D

문제5

Which statement about HBase components is correct? (Multiple choice)

A. is column-oriented

B. is a NoSQL data

C. is distributed

D. Store data in the form of KV

정답: A,B,C,D

문제6

In the collaborative work of Zookeeper and YARN, when the Active Resource Manager fails, which of the following directories will the Standby Resource Manager obtain Application-related information?

A. warehouse

B. Meta store

C. State store

D. Storage

정답: C

문제7

The data flow of Flume can be sent to different Channels according to the information of headers.

A. True

B. False

정답: A

문제8

In the FusionInsight HD cluster planning, what kind of scenarios is suitable for the unified deployment of management nodes, control nodes and data nodes?

A. More than 100 nodes

B. Below 30 nodes

C. More than 200 nodes

D. 100-200 nodes

정답: B

문제9

The Fusionlnsight HD cluster contains many kinds of services, and each service is composed of several roles. Which of the following are the roles of the service? (Multiple choice)

A. NameNode

B. DataNodes

C. HDFS

D. HBase

정답: A,B

문제10

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

A. Blocks on a DataNode can be the same

B. Periodically send Block related information of this node to NameNode

C. Blocks stored by different DataNodes must be different

D. Does not check data validity

정답: B

문제11

What is the physical storage unit of Region in Hbase?

A. Region

B. Row

C. ColumnFamily

D. Column

정답: C

문제12

As shown in the figure, which of the following description about the Kafka message consumer reading the message is wrong?

A. The blue in the picture is a topic of Kafka, which can be understood as a queue, and each grid represents a message.

B. Consumers read messages sequentially from right to left.

C. Consumer uses offset to record the read position

D. The messages generated by the producer are placed at the end of the topic one by one.

정답: B

문제13

There are currently 3 racks, and there is a file that needs to be stored in 3 copies. Copy 1 and copy 2 are stored in the same rack as the client but on different servers. According to the HDFS copy placement strategy, it must be stored in other racks.

A. True

B. False

정답: B

문제14

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

A. Source

B. sink

C. Channel

D. topic

정답: D

문제15

Which of the following is not a mandatory option when creating a Loader job?

A. connection

B. Priority

C. name

D. type

정답: B

문제16

If the physical memory utilization of some Containers exceeds the configured memory threshold, but the total memory utilization of all Containers does not exceed the set Node Manager memory threshold, then the Container with excessive memory usage can still continue to run.

A. True

B. False

정답: A

최신 H13-711-ENU 무료덤프 - Huawei HCIA-Big Data(Huawei Certified ICT Associate-Big Data)

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