H13-711_V3.0試験無料問題集（646題）「Huawei HCIA-Big Data V3.0 認定」

出題：1

Hadoop's NameNode is used to store the metadata of the file system.

A. True

B. False

正解：A 解答を投票する

出題：2

What steps are included in the preparation for Fusioninsight HD installation?

A. Complete the hardware installation

B. Prepare tools and software. Such as Putty, LLD, Fusioninsight HD software installation package, etC.

C. Complete the node host OS installation

D. Prepare planning data. such as network parameters and role deployment locations

正解：A,B,C,D 解答を投票する

出題：3

Which of the following options are correctHBasoProcess description of reading and datastatedcorrect?

A. Clientcannot maintain visitedregionLocation information to speed up the query

B. customersNo need to read data on the sideHMaster participation

C. The client can maintain the visited regionLocation information to speed up the query

D. The client needs to read the datato HMastor Involvement

正解：B 解答を投票する

出題：4

Comparing Spark and MapReducei, which of the following statements are correct?

A. Intermediate results of Spark tasks can only be stored in memory

B. Shuffle is not a necessary process in Spark tasks

C. Spark can cache intermediate results in memory reducing disk I0

D. Shuffle is a necessary process in Spark tasks

正解：B,C 解答を投票する

出題：5

Flink is a computing framework that combines batch processing and stream processing. Its core is a stream data processing engine for data classification and parallel computing.

A. True

B. False

正解：A 解答を投票する

出題：6

In the Fusioninsight HD system, a Loader node in the cluster is abnormal. If other services are not abnormal, the normal use of the Loader service function will not be affected.

A. True

B. False

正解：A 解答を投票する

出題：7

ElasticSearch is strongly dependent on Zookeeper.

A. True

B. False

正解：A 解答を投票する

出題：8

In a Fusionlnsight HD cluster, if the recommended deployment scheme is adopted with a cluster size of 300 nodes, which partitions must not exist on the control node?

正解：A,D 解答を投票する

出題：9

Which description about HIVE is incorrect?

A. The Hive query operation process strictly follows the function execution model of Hadoop MapReduce. Hive converts the user's HiveQL statement into Map through the interpreter Reduce on Hadoop cluster

B. The best use case for Hive is batch jobs with large datasets

C. Hive is built on top of Hadoop based on static batch processing, Hadoop usually has high latency andC. A lot of overhead is required for committing and scheduling

D. Hive can realize low-latency and fast query on large-scale data sets

正解：D 解答を投票する

出題：10

Kafka Cluster Mirroring. Which of the following functions can be achieved by the tool?

A. Kafkat but intra-cluster data recovery

B. Kafka cross-cluster data synchronization scheme

C. Kafka data backup within a single cluster

D. None of the aboveA. True

正解：B 解答を投票する

出題：11

Fusioninsight Manager's statement about the configuration function of the service is incorrect?

A. Service level configuration can take effect for all instances

B. Instance-level configuration takes effect only for this instance

C. Instance-level configuration also takes effect on other instances

D. After the configuration is saved, you need to restart the service to take effect

正解：C 解答を投票する

出題：12

When installing the Streaming component of Fusioninsight HD, the Nimbus role requires several nodes to be installed

A. 2

B. 1

C. 4

D. 3

正解：A 解答を投票する

出題：13

After submitting the topology using the Streaming client shell command in the Fusioninsight HD system, use Strom The UI view shows that the topology has not processed data for a long time. What are the possible reasons?

A. The supervisor's slots resources are exhausted, and after the topology is submitted, the slots cannot be allocated to start the worker process.

B. Supervisor is the component that receives data in topology and then performs processing

C. There is a logic error in the topology business, and it cannot run normally after submission

D. The topology is too complex or the number of concurrent users is too large, resulting in workerThe startup time is too long, exceeding the waiting time of Supervisort

正解：A,C,D 解答を投票する

出題：14

Which component controls the master/slave arbitration in HDFS?

A. HDFS Client

B. ResourceManager

C. NodeManager

D. Zooleeper Failover Controller

正解：D 解答を投票する

出題：15

"Group by" in Hive refers to dividing each data set into several small data sets through certain rules, and then performing data grouping processing for several small data sets.

A. True

B. False

正解：A 解答を投票する

出題：16

BelowcloseAtWhat does Flick's fault tolerance mechanism describe errors?

A. Chackpointmechanism guaranteesAfter the program is upgraded or modified and developed, etC. Also able to restore from a saved state bit healthy boot

B. SavepointmechanismGuaranteed in real timeprogram operationrun time, even ifunexpectedlycan alsoEnterRowsinceIrecover

C. SaveThe point mechanism ensures thatAfter the program is upgraded or modified and developed, etC. Also able to restore from a saved state bit healthy boot

D. Chackpoint mechanismGuaranteed in real timeprogram operationrun time, even ifunexpectedlycan alsoEnterRowsinceIrecovercomplex

正解：C,D 解答を投票する

出題：17

Which components in FusioninsightHD can Zookeeper provide distributed management support for?

A. Hive

B. Loader

C. HBase

D. Spark

正解：A,B,C,D 解答を投票する

H13-711_V3.0試験無料問題集「Huawei HCIA-Big Data V3.0 認定」