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Huawei HCIP-Big Data Developer V1.0 Sample Questions:

1. In the MapReduce development framework, what is the function of the InputFormat class?

A) Sort and merge the results of the map stage
B) Split the input data into individual splits, and further split the split into <key, value> pairs, which are then used as the input of the map function
C) Combine key-value pairs with the same key value in the result of the map phase
D) Combine the results of all map stages to get the final result

2. When using Solr for full-text search, you can specify the response format of the query result through the wt parameter.
Regarding the response format of Solr query results, what is wrong in the following statement?

A) Support CSV, JSON and XML
B) Support CSV, JSON and HTML
C) Support CSV and JSON

3. In Kafka, which statement about Consumer is correct? (multiple choice)

A) When multiple Consumers are configured with the same group.id, the data consumed by these Consumers will not be repeated
B) Consumer mainly conducts data consumption
C) Topic needs to be specified when Consumer consumes data
D) The new ConsumerAPI consumption data does not need to specify the ZooKeeper address

4. In FusionInsight HD, what are the computing frameworks that can be used in real-time processing scenarios? (multiple choice)

A) MapReduoe
B) Streaming
C) HDFS
D) Spark Streaming

5. Suppose there is an application, there are 10 tables, each table has tens of millions of records, and the number of fields is about 20.
Now Redis is used to cache the data of these 10 tables. For the design of the data structure, which of the following is the best design?

A) Using string structure, each field in each row of each table uses a KEY.
B) A hash structure is adopted, and a table uses a hash KEY, and a row in the table records a field for the hash KEY.
C) Using string structure, each row of each table uses a KEY, and value is the concatenated value of all the fields in a row of the table.
D) Using a hash structure, each row record of each table uses a hash KEY, the field of the hash KEY corresponds to the field of the table record, and each table is designed with a different prefix to distinguish it.

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