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

문제1

Which of the following components does the platform architecture of Huawei's big data solution include? (Multiple choice)

A. Hadoop layer

B. GaussDB 200

C. Datafarm layer

D. Fusiolnght Manager

정답: A,C,D

문제2

Which service process is the Region of HBase managed by?

A. DataNodes

B. ZooKeeper

C. HMaster

D. HRegionServer

정답: D

문제3

Among the following options, which one is a key feature of the HDFS architecture? (Multiple choice)

A. HA high reliability

B. Multimodal Access Mechanisms

C. Metadata persistence mechanism

D. Robust mechanisms

정답: A,B,C,D

문제4

Which of the following statements about the segment file in Kafka Logs is correct? (Multiple choice)

A. Sparse storage, that is, the original complete data, only select multiple pieces at intervals for storage

B. The index file is stored sparsely, which can greatly reduce the space occupied by the metadata of the index file

C. Map all the index metadata to memory, which can avoid the IO disk operation of the index data of the sementfile

D. The message can be quickly located through the index information

정답: A,B,C,D

문제5

Hive in Fusioninsight includes two roles, HiveServer and MetaStore.

A. True

B. False

정답: A

문제6

On the Fusioninsight Manager interface, when a Kafka disk capacity insufficient alarm is received, and the cause of the alarm has been ruled out as a hard disk hardware failure, the system administrator needs to consider expanding the capacity to solve this problem

A. wrong

B. True

정답: B

문제7

The Streaming of Fusioninsight HD is weakly dependent on Zookeeper, even if Zookeeper fails, Streaming can provide services normally.

A. True

B. False

정답: B

문제8

What is the default Block Size of HDFS in the Fusioninsight HD system?

A. 128M

B. 32M

C. 64M

D. 256M

정답: A

문제9

Which service process is used to manage the Region of HBase in the Hadoop platform?

A. DataNodes

B. Zookeeper

C. RegionServer

D. HMaster

정답: C

문제10

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

A. Election of Master nodes

B. Ensure data consistency on each node

C. Store server information in the cluster

D. Allocate cluster resources

정답: D

문제11

Which of the following are conversion rules supported by Loader jobs? (Multiple choice)

A. Null conversion

B. Add a constant field

C. Modulo conversion

D. Splicing conversion

정답: A,B,C,D

문제12

Which of the following descriptions about the characteristics of Zookeeper is wrong?

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

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

C. If a message is received by more than half of the servers, it will be successfully written to the disk

D. Message updates can only succeed or fail, there is no intermediate state

정답: B

문제13

Spark is a memory-based computing engine, and all data during the running of Spark programs can only be stored in memory

A. True

B. False

정답: B

문제14

HBase's BloomFilter is used to filter data.

A. True

B. False

정답: B

문제15

Which of the following options are used to configure the number of memory and CPU of NodeManager? (Multiple choice)

A. YARN.nodemanager.vmem-pmom-ratio

B. YARN.scheduler.capacity.root.Queuemaximum-capacity

C. YARN.nodemanager.resource.cpu-vcore

D. YARN.modemanager.resource.memory-mb

정답: A,C,D

문제16

Which of the following descriptions about the function of HRegionServer in HBase is wrong? (Multiple choice)

A. Regionserver is the data service process of HBase, responsible for processing user data read and write requests

B. RegionServer is generally deployed together with NameNode of HDFS cluster to realize data storage function

C. Data processing and computing unit of HBase

D. Manage all Regions, Regions can be migrated between RegionServers

정답: B,D

문제17

Does the underlying data of HBase exist in the form of __?

A. Column storage

B. Row storage

C. keyvalue

D. Real-time storage

정답: C

문제18

In the MRS cluster, which of the following components does Spark mainly interact with?

A. Zookeeper

B. HDFS

C. Hive

D. Yarin

정답: A

문제19

Which of the following descriptions of cloud search service CSS is correct? (Multiple choice)

A. TB-level data retrieval is returned in seconds, and billion-level 100-dimensional star retrieval is returned in seconds

B. Compatible with Elasticsearch APIs

C. The business of expanding nodes and disks is not interrupted, and the business of updating the dictionary is not interrupted

D. Does not support the fusion search of rich text and text such as sound

정답: A,B,C

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

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