Huawei HCIA-Big Data V3.5 - H13-711_V3.5 Free Exam Questions

A. The more tasks, the higher the CPU efficiency

B. By improving network transmission efficiency and read-write efficiency, performance can be greatly improved

C. During the execution of IO-intensive tasks, most of the time is spent on IO

D. High CPU consumption

A. The Hive query operation process strictly follows the Hadoop MapReduce role execution model.Hive converts the user's HiveQL statement to the MapReduce Hadoop cluster through the interpreter.

B. Hive can realize low-latency and fast query on large-scale data sets

C. The best usage scenario of Hive is the batch processing job of large data sets

D. Hive is built on Hadoop based on static batch processing. Hadoop usually has high latency and requires a lot of overhead when submitting and scheduling

A. Metadata Reliability Assurance

B. Rebuild the copy data of the failed data disk

C. Cluster data balance

D. Safe Mode

A. Eventual consistency

B. Reliability

C. Wait for irrelevance

D. Atomicity

A. Using Scala, Java language implementation

B. It has the characteristics of information persistence, high throughput, and real-time

C. Developed by Apache Hadoop and open sourced in 2011

D. Used as the basis for activity streams and operational data processing pipelines

A. The blue in the picture is a topic of Kafka, which can be understood as a queue, and each grid represents a message.

B. The messages generated by the producer are placed at the end of the topic one by one.

C. Consumer uses offset to record the read position

D. Consumers read messages sequentially from right to left.

A. False

B. True

A. Site Activity Tracking

B. Log Collection

C. Aggregated Statistical System Operational Data

D. Resource management

A. False

B. True

A. File

B. HDFS

C. Memory

D. Kafka

A. False

B. True

A. False

B. True

A. Resource reclamation request queue priority

B. Minimum queue level first

C. The queue with the lowest resource utilization is given priority

D. Maximum queue level priority

A. HDFS Channel

B. File Channel

C. JDBC Channel

D. Memory Channel

A. View loader service status

B. Start the loader instance

C. Switch Loader active and standby nodes

D. Configure loader parameters