H13-711_V3.0 Huawei HCIA-Big Data V3.0 exact Exam Questions

HCIA-Big Data V3.0

Last Update 20 hours ago Total Questions : 649

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Question # 151

Which of the following statements about the comparison of Sparkstreamingi and Streaming is incorrect?

SparkStreaming:It is a micro-batch framework, and events need to be processed when they are exhausted to a certain amount

The execution logic of Streamingl is to start immediately, and then recycle after running.

The throughput of SparkStreaming is about 2-5 times that of Streaming

SparkStreaming event processing latency is higher than Streaming

Question # 152

What are the successful cases of Huawei Fusioninsight HD in the industry?

digital government

Smart Park

smart transportation

finance

Question # 153

Which statement is correct about worker (worker process), Executor (thread) and task (task)?

Each Executor (thread) can run a number of tasks (tasks)

Each Executor (thread) can run different components (spout or bolt) of the task (task)

Each worker can run multiple Executors (threads)

Each worker can only run Executors (threads) for one topology

Question # 154

Among the following options, which are the processes that MapReduce will have?

Ccombine

Map

Reduce

Partition

Question # 155

What information is included in calling the Zookeeper client command?

The port number

IP address

server nickname

username

Question # 156

What are the correct understandings and descriptions of the main features of big data?

Many data sources and formats

Fast data growth and fast processing

Large amount of data, large amount of calculation

Low data value density, high value

Question # 157

Which of the following are the characteristics of Streamingl?

A data is stored first and then calculated

B. event driven

C. low latency

D. Can do continuous query

Question # 158

The streaming client shell command in the FusionInsight HD system fails to view the topology or submit the topology. Which of the following positioning methods are correct?

Check the Supervisori running log to determine whether the Supervisor is abnormal

View worker running logs

View the client exception stack to determine whether the client is using the problem

Check the running log of the main nimbus to determine whether the nimbus server is abnormal

Question # 159

Which of the following descriptions about the functions of HMaster in HBase are correct?

Region load balancing, Region splitting and Region allocation after splitting

Responsible for creating tables, modifying tables, deleting tables

Responsible for load balancing of RegionServer

Region after RegionServer failsmigrate

Question # 160

Which of the following options in HBaser command has the worst performance

put

get

list

Scan

Question # 161

What are the storage formats supported by Hive in the Fusioninsight HD system?

HFile

TextFile

SequenceFile

RCFile

Question # 162

In Huawei ' s big data solution, LadpServer, as a directory service system, can implement centralized management of accounts on the big data platform. The following statement about LdapServer is correct:

LdapServer supports TCP/P protocol.

LdapServer is a specific open source implementation based on the LDAP standard protocol.

LdapServerl uses Berkelay DB as the default backend database.

LdapServer is implemented based on OpenLDAP open source technology