Question 56
Which of the following nodes are included in the basic system architecture of HDFS? (Multiple choice)
Question 57
Which of the following are not part of the core elements of KrbServer?
Question 58
HUAWEI CLOUD MapReduce service provides tenants fully controllable-station enterprise-level big data cluster cloud service, fully compatible with open-source interfaces, combined with HUAWEI cloud computing, storage advantages and big data industry experience, to provide customers with high performance, low cost, Flexible and easy-to-use full-stack big data platform, easy to run Hadoop, Spark, HBase. Kafka, Storm and other big data components. Realize real-time and offline analysis and mining, and discover new business opportunities.
Question 59
When the Spark application is running, what is the basis for stage division?
Question 60
The core concept of MapReduce is to decompose a large computing task to each node of the cluster, make full use of cluster resources, and shorten the running time.