Free HCIA Big Data V2.0 Exam H13-711 Exam Practice Test

In the Fusionlnsight HG system, when creating a Kafka topic, you must set the number of Partitions and the number of replicas. Setting multiple replicas can strengthen the disaster tolerance of Kafka services.

• True
• False

In Huawei Fusioninsight HD system, there are 3 data blocks in the storage copy. When the data block is lost on one node, you need to manually copy a copy to the node.

• True
• False

The driver R in Spark on YARN mode can run on the client.

• True
• False

When deploying Kerberos and LDAP services for FusionlnsightHD products, what is the following description correct? (Multiple choices)

• Before deploying Kerberos, you must deploy the LDAF service
• The LDAP service must be deployed on the same node as the Kerberos service
• Kerberos service and LDAP are deployed to the same node to facilitate data access and improve performance
• LDAP service can be shared across multiple clusters

Which of the following features does Spark provide? (Multiple choices)

• Distributed meat storage calculation engine
• Distributed File System
• Unified scheduling of cluster resources
• Stream processing function

HDFS supports large file storage, and supports multiple users to write to the same file, as well as modify the file anywhere.

• True
• False

What is the default block size of HDFS in Fusionlnsight HD system?

• 32MB
• 64MB
• 128MB
• 256MB

In the Fusioninsight HD system, Kerberros is only used for security authentication of component services.

• True
• False

In .FusionlnsightHD V100R002C60 cluster, which of the following components need to be planned for metadata partitioning? (Multiple choices)

• HDFS
• Zookeeper
• Streaming
• Redis
• HBase
• Kafka

Are the following statements about Hadoop's HDFS1S correct? (Multiple choices)

• HDFS consists of NameNode. DataNode, Client
• The metadata on the HDFS standby NameNode is synchronized by the primary NameNode.
• HDFS uses the nearest rack node for the first copy of the data
• HDFS is suitable for read once and read multiple times and tasks