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Huawei H13-711_V3.0 Exam Syllabus Topics:

Huawei HCIA-Big Data V3.0 Sample Questions:

Question 1

RDD has Transformation and Action operators. Which of the following belongs to the Action operator?

A. map
B. filter
C. saveAsTextFile
D. reduceByKey

Question 2

In big data computing tasks, aboutI0Which of the following is an incorrect description of an intensive task?

A. CHigh PU consumption
B. I0During intensive task execution, most of the time is spent in I0deal with
C. The more tasks, the more efficient the CPU
D. By improving network transmission efficiency and read and write efficiency, performance can be greatly improved

Question 3

Spark Streaming? The fault tolerance mechanism means that if any partition in the RDD fails, it can be recalculated and generated according to its parent RDD. If the parent RDD is lost, you need to go to the disk to find the original data.

A. True
B. False

Question 4

Which of the following options are included in the key features of ZooKeeper?

A. eventual consistency
B. atomicity
C. wait for irrelevance
D. Reliablesex

Question 5

As shown in the figure, the following description of the message read by the Kafka message consumer Consumeri is wrong?

A. Consumers read messages sequentially from right to left.
B. The messages generated by the producer are placed at the end of the topic one by one.
C. Consumert uses offset to record the position of the read
D. The blue in the picture is a topic of Kafkal, which can be understood as a queue, and each grid represents a message.

Solutions: