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Huawei HCIP-Big Data Developer V1.0 Sample Questions:
1. In Spark, because DataFrame is a higher-level interface than RDD, the call level will be more. Therefore, the performance of all programs developed based on DataFrame will be worse than that of programs developed based on RDD.
A) False
B) True
2. In Spark, SparkSQL is an independent module, which can independently complete SQL statement parsing, optimization, and execution without relying on SparkCore.
A) False
B) True
3. In the implementation of the business logic of HBase writing data, which of the following interfaces or classes does not need to be involved?
A) HBaseAdmin
B) Put
C) HTable
D) PutList
4. In MapReduce application development, which of the following JAVA classes is responsible for managing and running a computing task?
A) Configuration
B) lob
C) FileSystem
D) Context
5. In the Fusioninsight HD product, what is wrong about the Kafka secure and non-secure port description?
(Note: The old API refers to the old Producer API and the old Consumer API. Among them, the old Consumer API: refers to the interface defined in kafka.consumer.ConsumerConnector; the old Producer API: refers to the interface defined in kafka.producer.Producer.)
A) The old API only supports access to port 21005; the new API is compatible with access to non-secure port 21005 and secure port 21007.
B) Kafka cluster security access port defaults to 21007, non-secure access port defaults to 21005.
C) For topics with ACL set, you can use the old API to connect to port 21005 for access.
D) The premise for the old API to access a topic through port 21005 is that the server parameter allow.everyone.if.no.acl.found is set to true, and the topic does not have ACL attributes set
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: A | Question # 3 Answer: A | Question # 4 Answer: B | Question # 5 Answer: C |

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