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Huawei HCIP-Big Data Developer V2.0 Sample Questions:

1. for running onMapReduceThe application on the platform that this application depends onjarWhere will the bag be placed?

A) HDFS
B) HBASE
C) DB
D) HIVE

2. Below aboutZooKeeperThe statement is wrong ().

A) ZooKeeperUse a custom atomic message protocol to ensure the consistency of node data in the entire system.
B) ZooKeeperThe cluster is elected at startupLeaderRole.
C) If ZooKeeperIf there is an interruption in the process of synchronizing the message, after the failure is recovered, the transmission status before the failure can be adjusted according to the the state continues to synchronize, that is, support for resuming transmission from a breakpoint.
D) LeaderAfter a node receives a data change request, it first writes to disk and then writes to memory.

3. Which of the following options isYarncore functionality?

A) data transmission
B) storage
C) Resource management
D) search

4. existFusionInsight HDproduct, aboutKafkaWhich of the descriptions of secure and non-secure ports is wrong?
(Note: oldAPImeans oldProducerAPIand oldConsumerAPI. Among them, the oldConsumer API:
Refers tokafka.consumer.ConsumerConnectorinterface defined in; oldProducerAPI:Refers to kafka.producer.Producerinterface defined in . )

A) oldAPIAccess only21005port; newAPICompatible access to non-secure ports21005and secure port
21007.
B) KafkaThe cluster security access port defaults to21007, the non-secure access port defaults to21005.
C) oldAPIpass through21005access to a portTopicThe premise is: server parameters allow.everyone.if.no.acd.foundSet astrue, and thisTopicnot setA, CLAttributes.
D) for settingA, CLofTopic, you can use the oldAPIconnect21005port to access.

5. FusionInsight HDin the systemHDFSdefaultBlock Sizehow many?

A) 32MB
B) 128MB
C) 64MB
D) 256MB

Solutions: