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Huawei H13-723 Exam Syllabus Topics:

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

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

2. Hive service and HBase service are deployed on a FusionInsight cluster, and two apps (applications) are deployed on Tomcat. One app is to access the HBase service, and the other app is to access the Hive service. Regarding authentication, which methods are as follows Is it right? (multiple choice)

A) Just do authentication on the app that accesses the HBase service
B) Just do authentication on the app that accesses the Hive service.
C) Deploy these two apps to two independent Tomcats, and then authenticate each
D) Combine these two apps into one and do authentication on the new app

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) Put
B) HBaseAdmin
C) PutList
D) HTable

4. In Spark, assuming that lines is a DStream object, the filter statement can filter out 80% of the data. Which statement is correct for the following two statements:
X: lines.filter(...).groupByKey(...)
Y: lines.groupByKey(...).filter(...)

A) X and Y have the same performance
B) X has lower performance than Y
C) X has higher performance than Y
D) It is impossible to determine the performance difference between X and Y

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) 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.
B) 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.
C) 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.
D) Using string structure, each field in each row of each table uses a KEY.

Solutions: