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

문제1

In Huawei's big data solution, which of the following components are included in the bottom layer of Hadoop? (Multiple choice)

A. spark

B. hive

C. fink

D. miner

정답: A,B,C

문제2

Which command in Redis is to view the remaining lifetime of the key?

A. expire

B. ttl

C. persist

D. expired

정답: B

문제3

In the era of big data, which of the following challenges are faced by enterprises? (Multiple choice)

A. There are problems such as noise, missing, and non-standard storage types in scattered data, which requires a lot of data preprocessing.

B. Data structure diversification.

C. The data is scattered among the various departments of the enterprise, and the same data is stored in different formats within each department.

D. Technological advances of competitors.

정답: A,B,C,D

문제4

Hadoop's HDFS is a distributed file system, which of the following application scenarios is suitable for data storage and management? (Multiple choice)

A. Large number of small file storage

B. High capacity, high throughput

C. Streaming data access

D. Low latency read

정답: B,C

문제5

The Kunpeng computing industry is a full-stack IT infrastructure, industry applications and services built on the basis of Kunpeng processors, including PCs, servers, storage, operating systems, middleware, virtualization, databases, cloud services, industry applications, and consulting management services wait.

A. True

B. False

정답: A

문제6

During the deployment of Fusioninsight HD, the Check Node. Config configuration file must be called when precheck is executed to check each node.

A. True

B. False

정답: A

문제7

Flink is similar to Spark Streaming and is an event-driven real-time streaming system.

A. True

B. False

정답: B

문제8

All Kafka messages will be persisted to the hard disk. At the same time, Kafka ensures data reliability by setting Replication for Topic Partitio.

A. True

B. False

정답: A

문제9

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

문제10

When installing a Fusionlnsight HD cluster in safe mode, which components must be installed? (Multiple choice)

A. LDAP Server

B. Zookeeper

C. HDFS

D. Krb Server

정답: A,D

문제11

When the Flume process is cascaded, which of the following sink types are used to receive the messages sent by the previous hop Flume? (Multiple choice)

A. Thrift sink

B. Null sink

C. Hive sink

D. Avro sink

정답: A,D

문제12

Which of the following description about HBase's Region Split process is wrong?

A. The Region that is split during the Split process will suspend the service

B. During the Split process, the file is not really split, only the reference file is created

C. The table will suspend service during the Split process

D. Split splits a Region into two Regions in order to reduce the data size in the Region

정답: C

문제13

Hive does not retrieve whether the data conforms to the schema during load. Hive follows the schema on read (read mode). Only when the mode is read, the Hive data field schema is checked.

A. True

B. False

정답: A

문제14

Which of the following statements about Transformation in Flink is correct? (Multiple choice)

A. The Filter operation is to perform a Boolean function on each element

B. KeyBy is to group the source data according to the key to ensure that the metadata of the same key are divided into the same group

C. FlatMap can segment text

D. You can set the time window through the window

정답: A,B,D

문제15

Spark's intermediate data is placed in memory, which is more efficient and has higher latency for iterative operations and batch calculations.

A. True

B. False

정답: B

문제16

In Streaming, exactly one message reliability level is achieved through the ACK mechanism.

A. True

B. False

정답: B

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

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