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Huawei HCIP-Big Data Developer Sample Questions:

1. In Spark application development, which of the following codes can correctly count words?

A) val counts = textFile.flatMap (line=>line.split (" ")).map (word => (word, 1)).reduceByKey(_ +_)
B) val counts = textFile.map (line=>line.split (" ")).map (word => (word, 1)).groupByKey ()
C) val counts = textFile.map (line => line.split ("')).map (-rd => (word, 1)).reduceByKey(_ +_)
D) val counts = textFile.flatMap (line=>line.split (" ")).map (word => (word, 1)).groupByKey ()

2. In the FusionInsight HD HBase cluster, Table1 belongs to Namespace1, Table2 belongs to Namespace2, and Table1 has two column families, namely cf11 and cf12, and Table2 has a column family named cf21. Which of the following schemes allows user account A to be at the same time Have read and write permissions for cf11 and cf21. (Multiple choice)

A) Grant the user account Table1 and Tablet2 read and write permissions
B) Give the user account global read permission
C) Grant the user account Namespace1 and Namespace2 read and write permissions
D) Grant the user account Namespace1 read and write permissions

3. In FusionInsigt HD, if an application wants to complete Kerberos security authentication, which of the following options must be used? (multiple choice)

A) User account applied for on FusionInsight Manager
B) jaas.conf configuration file
C) The keytab file of the user account
D) krb5.conf configuration file

4. In the online log query solution, stream processing is used to complete the calculation. During the entire calculation process, intermediate calculation results need to be temporarily stored. Which of the following components is suitable for storing intermediate calculation results? (multiple choice)

A) Redis
B) HDfS
C) Kafka
D) HBase

5. In FusionInsight HD, which of the following source types does Flume support? (multiple choice)

A) HTTP
B) Avro
C) Kafka
D) HBase

Solutions: