Free Access Huawei.H13-711-ENU.v2025-02-12.q181 Practice Test (Page 6)

Question 21

Which of the following descriptions about Zookeeper features is wrong?

A.Message update can only succeed or fail, there is no intermediate state.

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

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

D.A message must be received by more than half of the servers. It will be successfully written to disk

Question 22

Which command in Redis is to view the remaining lifetime of the key?

A.persist

B.expired

C.expire

D.ttl

Question 23

If some information is allowed to be lost during message processing, which of the following methods can be used to close the message reliability processing mechanism? (Multiple choice)

A.Set the parameter Config.Topology_ACKKRS to False

B.When a spout sends a message, it uses an interface that does not specify a message ID for sending.

C.Bolt uses Unanchor to send messages

D.Set the parameter Config.Topology_ACKKRS to 0

Question 24

Which of the following types of data is not semi-structured data?

A.JSON

B.XML

C.HTML

D.Two-dimensional table

Question 25

Which of the following descriptions about Hive features is wrong?

A.Flexible and convenient ETL

B.Only supports MapReduce computing engine

C.Easy to use and easy to program

D.Can directly access HDFS files and HBase

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Question 21

Question 22

Question 23

Question 24

Question 25

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