H13-711-ENU試験無料問題集（500題）「Huawei HCIA-Big Data(Huawei Certified ICT Associate-Big Data) 認定」

出題：1

The shards index fragmentation of ElasticSearch can break up and distribute index data to different nodes.

A. True

B. False

正解：A 解答を投票する

出題：2

The order in which the YARN scheduler allocates resources, which of the following descriptions is correct?

A. Local resources -> same rack -> any machine

B. Any machine -> same rack -> local resources

C. Any machine -> local resource -> same rack

D. Same rack -> any machine -> local resources

正解：A 解答を投票する

出題：3

Which of the following commands downloads a directory/file from HDFS to the local?

A. dfs -get

B. dfs -mkdir

C. dfs -cat

D. dfs –put

正解：A 解答を投票する

出題：4

In the FusionInsight Hadoop cluster, the cluster scale has 70 nodes. If the recommended deployment scheme is adopted, what partitions may exist on the management node? (Multiple choice)

A. /srv/BigData/jumalnode

B. /srv/BigData/dbdata-om

C. /srv/BigData

D. /srv/BigData/hadoop/data5

E. /srv/BigData/zookeeper

正解：A,B,C,E 解答を投票する

出題：5

A user information table meg_table is saved in the HBase of Fusioninsight HD, Rowkey is the user id, and one column is the user nickname. Now write three KeyValues into this column in order: 001: Li, 001: Mary, 001: Lily, excuse me, which data will be returned by scan' meg_table' (VERSION=>2)?

A. 001: Li

B. 001: Li, 001: Mary, 00l: Lily

C. 001: Lily

D. 001: Mary, 001: Lily

正解：B 解答を投票する

出題：6

Which object cannot be managed by Fusioninsight manager?

A. Host OS

B. Spark

C. HDFS

D. YARN

正解：A 解答を投票する

出題：7

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

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

B. Compatible with Elasticsearch APIs

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

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

正解：B,C,D 解答を投票する

出題：8

Regarding the warning of insufficient Kafka disk capacity, which of the following analysis is wrong for the possible reasons?

A. Unreasonable business planning, resulting in uneven data distribution, causing some disks to reach the upper limit of usage

B. The disk configuration used to store Kafka data (such as the number and size of disks, etc.) cannot meet the current business data flow declaration, causing the disk usage to reach the upper limit

C. Broker node failure causes

D. The data storage time is configured too long, and the data accumulation reaches the upper limit of disk usage

正解：C 解答を投票する

出題：9

Which of the following functions can the Shell script of Loader achieve? (Multiple choice)

A. View job status

B. Start the job

C. stop working

D. Data source query

正解：A,B,C,D 解答を投票する

出題：10

Is the description of the role of the standby NameNode in the HDFS system correct? (Multiple choice)

A. Hot Standby of Primary NameNode

B. The standby NameNode has no requirement for memory

C. The standby NameNode should be deployed on the same node as the primary NameNode

D. Help the main NameNode to merge edit logs and reduce the startup time of the main NameNode

正解：A,D 解答を投票する

出題：11

Channel supports transactions, provides weak order guarantees, and can connect any number of Sources and Sinks.

A. True

B. False

正解：A 解答を投票する

出題：12

In Fusioninsight HD, which of the following is not a Hive flow control feature? (Multiple choice)

A. Support threshold control on the number of connections established by each user

B. Support threshold control on the number of connections established by a specific user

C. Support threshold control on the total number of established connections

D. Support threshold control on the number of connections established per unit time

正解：A,C,D 解答を投票する

出題：13

Fusioninsight Spark SQL, like community Spark JDBCServer, only supports single tenant binding to a YARN resource queue and multi-tenant, and does not support multi-tenant parallel execution.

A. True

B. False

正解：B 解答を投票する

出題：14

What methods or interfaces does Loader provide for job management? (Multiple choice)

A. WEB UI

B. Java API

C. Linux command line

D. REST interface

正解：A,B,C,D 解答を投票する

出題：15

When a MapReduce task fails, the task can be recalculated through the retry mechanism.

A. True

B. False

正解：A 解答を投票する

出題：16

Which of the following components must depend on Zookeeper to run? (Multiple choice)

A. HBase

B. Spark

C. HDFS

D. YARN

正解：A,C 解答を投票する

出題：17

Which of the following statements about the reliability of Fusioninsight network security is correct? (Multiple choice)

A. Avoid high load on the service plane from blocking the cluster management channel

B. Fusioninsight supports dividing the network into three levels: the cluster service plane, the cluster management plane, and the maintenance network outside the cluster, which are physically isolated from each other.

C. Prevent external attackers from invading actual business data through management channels

D. Network plane isolation to avoid management and business bandwidth preemption and mutual interference

正解：A,B,C,D 解答を投票する

出題：18

Spark divides the stages according to the dependencies of RDDs. The scheduler starts from the end of the DAG graph and traverses the entire dependency chain in reverse. When it encounters narrow dependencies, it disconnects, and when it encounters wide dependencies, it adds them to the current stage.

A. True

B. False

正解：B 解答を投票する

出題：19

When the Spark application is running, what is the basis for Stage division?

A. shuffle

B. task

C. action

D. taskSet

正解：A 解答を投票する

H13-711-ENU試験無料問題集「Huawei HCIA-Big Data(Huawei Certified ICT Associate-Big Data) 認定」