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

出題：1

The scheme authentication method of single-choice Zookeeper does not include which of the following?( )

A. digest

B. world

C. sasl

D. auth

正解：C 解答を投票する

出題：2

When creating a Loader job, in which of the following steps can the number of Maps be set?

A. output

B. Basic Information

C. convert

D. input settings

正解：A 解答を投票する

出題：3

Which of the following are the characteristics of ElasticSearch?

A. High malleability

B. high performance

C. High fault tolerance

D. High reliability

正解：A,B,C,D 解答を投票する

出題：4

In Huawei's big data solution, which of the following components are included in the hadoop layer?

A. Hive

B. Miner

C. Spark

D. Flink

正解：A,C,D 解答を投票する

出題：5

Fusioninsight Hadoop:In the cluster, query through df-hT on a node. The partitions you see include the following: /var/log/srv/BigData/srv/BigData/hadoop/data5/srv/BigData/solr/solrserver3/What is the optimal RAID level planning combination for the disks corresponding to the srv/BigData/dbdadom partitions?

A. Raido Raid1 Raido Non-Raidl

B. Raidl Raid1 Non-RaidNon-Raid Raidl

C. Raido raido Raido Raido raid0

D. Non-Raid Non-Raid Non-Raid Non-Raid Raid1

正解：B 解答を投票する

出題：6

The job of Loader fails to execute, and the imported data will not be deleted automatically, and must be deleted manually.

A. True

B. False

正解：B 解答を投票する

出題：7

Which of the following is not a role or service involved in the process of reading data in HBasei?

A. ZooKeeper

B. HRegionServer

C. LHMaster

D. HDFS

正解：C 解答を投票する

出題：8

Which of the following statements about Flink barriers is wrong

A. When the barrier is inserted, it will temporarily block the data flow

B. Barriers are periodically inserted into the data flow and flow with it as part of the data flow

C. A barrier separates the snapshot data of the current cycle from the snapshot data of the next cycle

D. Barriers are at the heart of Flink snapshots

正解：A 解答を投票する

出題：9

HDFS supports large file storage, and supports multiple users' write operations to the same file, as well as modification at any position of the file.

A. True

B. False

正解：B 解答を投票する

出題：10

Where is the HBase metadata Meta Regioni routing information stored?

A. Meta table

B. Zookeeper

C. HMaster

D. Root table

正解：B 解答を投票する

出題：11

KerbarasAs a certification service center,were ableSecondary development applications to all services in the cluster and customerscarryforsystemA certification service.

A. FALSE

B. TRUE

正解：B 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：12

The secondary index provides HBase with the ability to index according to the value of some columns. The secondary index first searches the index table, and then locates the position in the data table, without full table scan

A. True

B. False

正解：A 解答を投票する

出題：13

In Hive, which of the following descriptions about bucketing is correct?

A. The advantage of bucketing is that it can achieve higher query processing efficiency and make sampling more efficient

B. Data can put different data into different buckets according to the way of buckets

C. You can specify the number of buckets when creating a table

D. Unsortable in bucket

正解：A,B,C 解答を投票する

出題：14

When importing data into a Hive table, the validity of the data will not be checked, but only when the data is read.

A. True

B. False

正解：A 解答を投票する

出題：15

When the F1ume process is cascaded, which of the following sink types are used to receive the messages sent by the previous hop Flume?

A. Avro sink

B. Null sink

C. Thrift sink

D. Hive sink

正解：A,C 解答を投票する

出題：16

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

A. bin/kafka-topiC. sh -delete

B. bin/kafka-topiC. sh -describe

C. bin/kafka-topiC. sh-create

D. bin/kafka-topiC. sh -list

正解：B 解答を投票する

出題：17

Which operations in Hive can be merged?

A. JOIN

B. UNION ALL

C. GROUP BY

D. SELECT

正解：B,C 解答を投票する

出題：18

Hive is a data warehouse software based on hadoopE, which can query and manage PB-level distributed dat a. Which of the following descriptions about Hive features is incorrect?( )

A. Direct access to HDFS files and HBase

B. Flexible and convenient ETL (extract/transform/load)

C. Easy to use and easy to program

D. Only supports MapReduce computing engine

正解：D 解答を投票する

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