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Guide for HCIA-Big Data V3.0

Quiz HCIA-Big Data V3.0

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/ 10

Quiz

1/10
The following description about Flink barrier is wrong ( )
Select the answer
1 correct answer
A.
barrier) is periodically inserted into the data stream and flows with it as part of the data stream
B.
Barriers are at the heart of Flink snapshots
C.
A barrier compares the snapshot data of this cycle with the nextonePeriodic snapshot data is separated
D.
When inserting barrierf, it will temporarily block the data flow

Quiz

2/10
Which of the following is the ElasticSearch node?
Select the answer
1 correct answer
A.
EsNode
B.
Index
C.
EsMaster
D.
Cluster

Quiz

3/10
In the MRS platform, which component does the F1ume data flow not need to pass through in the node?
Select the answer
1 correct answer
A.
Sink
B.
Channel
C.
LTopic
D.
Source

Quiz

4/10
What component does HBase use by default as its underlying file storage system?
Select the answer
1 correct answer
A.
File
B.
Kafka
C.
Memory
D.
HDFS

Quiz

5/10
Which of the following is not a core element of KrbServer?
Select the answer
1 correct answer
A.
KDC (Key Distribution Center)
B.
Kerberos Client
C.
Kerberos KDC Client
D.
Kerberos KDC Server

Quiz

6/10
What is the index name of ElasticSearch?
Select the answer
1 correct answer
A.
ddcvc
B.
doc
C.
logstash-2020.01.17
D.
3sDqsm8Bu-kTplzOjqhL

Quiz

7/10
In an MRS cluster, which of the following components does Spark mainly interact with?
Select the answer
1 correct answer
A.
Zookeeper
B.
Yarin
C.
Hive
D.
HDFS

Quiz

8/10
In the Fusioninsight product, about the Kafka topic, which of the following descriptions are incorrect?
Select the answer
1 correct answer
A.
Each topic can only be divided into one partition (area)
B.
The number of Topic partitions can be configured at creation time
C.
The storage layer of each Partition corresponds to a log file, and the log file records all information data
D.
Each message published to Kafkab has a category, which is called Topic, which can also be understood as a queue for storing messages.

Quiz

9/10
Which of the following descriptions about Hive features is incorrect?
Select the answer
1 correct answer
A.
Flexible and convenient ETL
B.
Only supports MapReduce computing engine
C.
Direct access to HDFS files and HBase
D.
Easy to use and easy to program

Quiz

10/10
Which of the following commands can be used to clear the data of all databases under the Redis instance?
Select the answer
1 correct answer
A.
dropall
B.
Lflushall
C.
flushdb
D.
dropdb
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Info quiz:

  • Quiz name:HCIA-Big Data V3.0
  • Total number of questions:442
  • Number of questions for the test:50
  • Pass score:80%

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