H13-711-ENU無料試験学習ガイド！（更新された500問あります) [Q154-Q172]

H13-711-ENU無料試験学習ガイド！（更新された500問あります)

H13-711-ENU問題集にはHCNA-Big Data認証済み試験問題と解答

質問 # 154
What services can Huawei DWS provide to customers? (Multiple choice)

A. Response in seconds for trillions of data association analysis
B. Unified Management Console
C. Ensuring high reliability of data and systems
D. Support GDS tools to speed up data storage

正解：A、B、C、D

質問 # 155
Flink is similar to Spark Streaming and is an event-driven real-time streaming system.

A. True
B. False

正解：B

質問 # 156
Which of the following descriptions about the basic operations of Hive SQL is correct?

A. Creating an external table must specify location information
B. Create an external table using the external keyword. To create an ordinary table, you need to specify the internal keyword
C. When loading data to Hive, the source data must be a path of HDFS
D. You can specify the column separator when creating the table

正解：D

質問 # 157
In which of the following links is the data conversion operation of Flink completed?

A. soure
B. Channel
C. Transformation
D. Sink

正解：C

質問 # 158
Which of the following indicators belong to flume data monitoring? (Multiple choice)

A. Source receives data volume
B. Number of DataNodes
C. Amount of data written by Sink
D. Channel cache data volume

正解：A、C、D

質問 # 159
In the MRS service, if the Zookeeper service is unavailable, the Kafka service will be unavailable.

A. False
B. True

正解：B

質問 # 160
Which process is described in the Map stage shown in the figure below?

A. Combine
B. Partition
C. Spill/Merge
D. Sort

正解：A

質問 # 161
Which of the following description of the flink window is wrong? (Multiple choice)

A. There is no overlap of time points between sliding windows
B. Tumbling windows are non-overlapping in time
C. There is overlap between time points between sliding windows
D. Tumbling windows overlap in time

正解：A、D

質問 # 162
What is the role of the connector when Fusioninsight HD's Loader creates a job?

A. Configure how jobs connect to internal data sources
B. Provide optimization parameters and provide data import and export performance
C. Determine what transformation steps are involved
D. Configure how jobs connect to external data sources

正解：D

質問 # 163
The index data of ElasticSearch can only be saved in the HDFS system.

A. True
B. False

正解：B

質問 # 164
The Fusioninsight HD cluster planned by a bank has 90 nodes. If three control nodes are planned, it is recommended to plan () data nodes in the cluster.

A. 0
B. 1
C. 2
D. 3

正解：D

質問 # 165
If there are only Default, QueueA, and QueueB subqueues in the YARNU group, then it is allowed to set their capacities to 60%, 25%, and 22% respectively.

A. True
B. False

正解：B

質問 # 166
Spark Streaming has higher real-time performance than Storm.

A. True
B. False

正解：B

質問 # 167
As a distributed message system, Kafka supports online and offline message processing, and provides a java API for other components to connect and use. In the Fusioninsight solution, Kafka belongs to the Fusionlnsight HD module.

A. False
B. True

正解：B

質問 # 168
In the Fusioninsight product, which statement about the Kafka component is correct? (Multiple choice)

A. Kafka will store metadata information on Zookeeper
B. When creating a Topic, the number of replicas must not be greater than the number of currently surviving Broker instances, otherwise creating a Topic will fail
C. When Kafka's Producer sends a message, it can specify which Consumer will consume the message
D. After the Kafka installation is complete, the sensitive data storage directory cannot be configured.

正解：A、B、C、D

質問 # 169
Regarding the task selection of the capacity scheduler, which of the following statements is correct?

A. Minimum queue level first
B. Resource reclamation request queue priority
C. The queue with the lowest resource utilization is given priority
D. Maximum Queue Level Priority

正解：B

質問 # 170
Which of the following options are the key features of Zookeeper? (Multiple choice)

A. Eventual consistency
B. Wait for irrelevance
C. Reliability
D. Atomicity

正解：A、B、C、D

質問 # 171
The Fusionlnsight HD cluster contains many kinds of services, and each service is composed of several roles. Which of the following are the roles of the service? (Multiple choice)