2020 Updated H13-711-ENU HCIA-Big Data Training Material

1. Which of the following options cannot be achieved by big data technology?

Business model discovery

Credit assessment

Product recommendation

Operational analysis

2. What are the main functions of Fusioninsight Manager? (Multiple Choice)

Data integration

System management

Security management

Service governance

3. Assuming that the minimum resource guarantee for each user is set to yarn, scheduler, capacity, root, QueueAminimum-user-limit-percent = 24, which of the following statement is wrong?

When the third user submits a task, each user gets up to 33.33% of the resources

When the second user submits a task, each user gets up to 50% of the resources

When the fourth user submits a task, each user gets up to 25% of the resources

When the fifth user submits a task, each user gets up to 20% of the resources

4. Which of the following are the components of the platform architecture in the Huawei solution? (Multiple Choice)

Hadoop Layer

Fusiolnght Manager

GaussDB 200

Datafram

5. What is Spark’s own resource management framework?

Standal one

Mesos

YARN

Docker

6. Regarding RDD, which of the following statement is error?

RDD has lineage mechanism

RDD is stored on disk by default

RD is a read-only, partitionable distributed data set

RD is Spark’s abstraction of basic data

7. Regarding the difference and connection with Spark SQL & Hive, which of the following statement is correct? (Multiple Choice)

Spark SQL relies on HiVe metadata

The execution engine of Spark SQL is Spark core. The default execution engine of Hive is Mapreduce

Spark SQL cannot use Hive’s custom functions

Spark SQL is compatible with most Hive syntax and functions

8. In the Fusioninsight cluster, which of the following components does Spark mainly interact with? (Multiple Choice)

HDFS

YARN

Hive

Zookeeper

9. About the architecture description of Hive in Fusioninsight HD, which of the following is error?

If one Hiveserver is unavailable, the entire Hive cluster is unavailable.

Motastore is used to provide metadata services and depends on DBService

At the same time, if one of HiveServer is in Active state, the other is in Standby state

Hiveserver is responsible for receiving client requests, parsing, executing HQL commands and returning query results

10. Normally, a table stored in a text file by Hive uses carriage return as its line separator. In Huawei Fusioninsight Hive, you can specify the input and output formats of table data.

TRUE

FALSE

11. Which of the following descriptions about the function of HMaster in Hbase are correct? (Multiple Choice)

Region load balancing, region splitting, and region distribution after splitting

Be responsible for creating/modifying/deleting tables

Be responsible for load balancing of RegionServer

Region migration after Regionserver failure

12. What functions of Nimbus in Streaming architecture are included? (Multiple Choice)

Monitor task execution status

Task scheduling

Start/shut down the work process

Resource allocation

13. Topology will automatically stop running after the task is completed.

TRUE

FALSE

14. Which of the following description about the flink window is wrong? (Multiple Choice)

Rolling windows overlap in time

Rolling windows do not overlap in time

There is no overlap in time between sliding windows

There is overlap in time between sliding windows

15. In the Fusioninsiehtaanarer interface, which of the following options to Loader does not include?

Switch Loader active and standby nodes

Start the Loader instance

Configure Loader parameters

View Loader service status

16. In creating a Loader job, in which of the following steps can you set the filter type?

Input settings

Conversion

Basic information

Output

17. Which of the following data sources can realize data exchange with FusionInght HD through Loader? (Multiple Choice)

NoSQL

FTP Server

SFTP Server

MySQL

18. There are two ways to clean Kafka logs: delete and compact. The default value is delete.

TRUE

FALSE

19. Which of the following functions can the kafka-cluster mirroring tool achieve?

Kafka cluster data synchronization solution

Data backup in Kafka single cluster

Data recovery in Kafka single cluster

None of the above

20. In fusioninsight HD products, a typical kafka cluster contains several producers, several consumers, and a zookeeper cluster.

True

False

2020 Updated H13-711-ENU HCIA-Big Data Training Material

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