H13-711-ENU Questions And Answers


Exam Name: HCIA-Big Data(Huawei Certified ICT Associate-Big Data)

Updated: 2020-07-11

Q & A: 263

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Question No : 1

Flume's properties.properties configuration file can configure multiple channle to transfer data.
A. True
B. False
Answer: A

Question No : 2

Loader's job execution fails, the data imported during this job run will not be deleted and must be manually deleted. A. True B. False
Answer: B

Question No : 3

In a FusionInsight Hadoop cluster, the cluster size is 70 nodes. If the recommended deployment scheme is adopted, which partitions must not exist on the management node? (Multiple choice)
A. /srv/BigData/zookeeper
B. /srv/BigData/dbdata_om
C. /srv/BigData
D. /srv/BigData/jurnalnode
E. /srv/BigData/hadoop/data5
Answer: ABCD

Question No : 4

The architecture of Hive in FusionInsight HD, which is wrong?
A. As long as there is a Hiveserver unavailable, the entire Hive cluster is not available
B. HiveServer is responsible for accepting client requests, parsing, executing HQL commands and returning query results
C. MetaStore used to provide metadata services, relying on DBService
D. At the same time only one of HiveSever is in Active state, the other is in the Standby state
Answer: A

Question No : 5

FusionInsight HD products, about Kafka component deployment, which is incorrect?
A. Kafka heavily relies on ZooKeeper, install Kafka must install ZooKeeper
B. The number of instances deployed by Kafka shall not be less than two
C. Kafka's server can generate messages
D. Consumer as Kafka's client role devoted to message consumption
Answer: C

Question No : 6

Hadoop manage Cluster Resource through the ResourceManager, which of the following are its main functions? (Multiple choice)
A. Cluster resource scheduling
B. Application Management
C. Cluster Resource Management
D. Log Management
Answer: ABC

Question No : 7

Hadoop HDFS is a distributed file system, which of the following scenarios data storage and management is suitable for? (Multiple choice)
A. Large number of small file storage
B. High fault tolerance, high throughput
C. Low latency read
D. Streaming data access
Answer: BD

Question No : 8

When planning the FusionInsight HD V100R002C50 cluster by using the configuration planning tool, you can use the V100R002C60 version configuration planning tool to plan.
A. True  
B. False
Answer: B

Question No : 9

Which of the FusionInsight Manager key features or operating instructions is correct?
A. Can check the health of a cluster or a service, but can not check the health of a node
B. Manager introduces the concept of role, using RBAC way to carry on the authority management to the system
C. The entire system uses Kerberos to manage users, use LDAP for user authentication, single sign-on via CAS
D. For the health examination results, the examination report can not be exported and can only be viewed online
Answer: B

Question No : 10

Which of the following method cannot see the Loader job execution results in FusionInsight HD system?
A. View through Yarn task management
B. View through Loader UI interface
C. View through Manager alarm
D. View through NodeManager
Answer: D

Question No : 11

When FusionInsight HD system deploys, if the Solr index default stored in HDFS, which of the following statement is correct? A. There is no need to consider how many shards are created on each SoIrServer instance B. To ensure data reliability, you must create multiple Replica when creating an index C. Disk IO is occupied when reading indexes through HDFS, so it is not recommended that Solr instances be deployed on the same node as DataNodes D. When the Solr service parameter INDEX_STORED_ON_HDFS is HDFS, the index of the created Collection is stored in HDFS by default
Answer: D

Question No : 12

A user needs to set up a 350 nodes FusionInsight HD cluster, which solution is the best?
A. Management nodes, control nodes, data nodes deployed in one, two-tier networking
B. Management nodes, control nodes deployed in one, data nodes deployed independently, two-tier networking
C. Management nodes, control nodes, data nodes are deployed independently, the three-tier networking
D. Management nodes, data nodes deployed in one, control node deployed independently, two-tier networking
Answer: C

Question No : 13

The order of the YARN scheduler allocates resources application, which of the following description is correct?
A. any machine -> the same rack -> local resources
B. any machine -> local resources -> the same rack
C. local resources -> the same rack -> any machine
D. the same rack -> any machine -> local resources
Answer: C

Question No : 14

The Spark task Executor can run multiple task.
A. True  
B. False
Answer: A

Question No : 15

About the management operations of FusionInsight Manager to service, which of the following is incorrect?
A. Can start-stop restart the service
B. Can add and ininstall service
C. Can set hide or display to not commonly used service
D. Can check the current status of the service
Answer: C
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