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Huawei H13-723 Exam Syllabus Topics:

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

Question 1

In the HBase table design, for multiple businesses sharing the rowkey, which leads to data access contradictions, what strategies can be used to deal with it?

A. Redundancy method (use space for time plant efficiency)
B. Pre-division region
C. Compromise method (rowkey design takes into account the business needs of A and B)
D. Create a secondary index

Question 2

In FusionInsight HD, assuming a topology, spout concurrency is set to 3, bolt1 concurrency is 2, bolt2 concurrency is 3, and the number of workers is 2, then how are bolt1's executors distributed among workers?

A. There is no fixed pattern
B. One of the two workers is distributed to two
C. Two workers each distribute one
D. Two workers are distributed

Question 3

Which Redis commands are atomic operations?

A. All of the above
B. INCR (increase the stored digital value by one)
C. HINCRBY (add incremental increment to the field value in the hash table key)
D. LPUSH (push operation on linked list)

Question 4

Set the data block storage size to 128M. When the HDFS client writes a file, when writing a 100M file, how much storage space is actually occupied?

A. 128M
B. 50M
C. 100M
D. 64M

Question 5

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

Solutions: