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السؤال #1
When planning and deploying a Fusionlnsight cluster, it is recommended that the management node be best deployed( ), the control node needs to be deployed at least( )Piece,Data nodes need to be deployed at least( )Piece.
A. 1
B. 1, 3, 2
C. 2, 3, 1
D. 2, 3, 3
عرض الإجابة
اجابة صحيحة: D
السؤال #2
Which of the following is not a state store supported by Flink( )?
A. FsStateBackend
B. RocksDBStateBackend
C. MemoryStateBackend
D. FileStateBackend
عرض الإجابة
اجابة صحيحة: D
السؤال #3
Among the following options, which one is correct about the meaning of Zookeeper reliability?
A. eliability is achieved through active and standby deployment
B. eliability means that no matter which server displays the same view to the outside world
C. eliability means that the update can only succeed or fail, there is no intermediate state
D. eliability means that a message received by a Server will be accepted by all Servers
عرض الإجابة
اجابة صحيحة: D
السؤال #4
In the MRS platform, which component does the F1ume data flow not need to pass through in the node?
A. Sink
B. Channel
C. LTopic
D. Source
عرض الإجابة
اجابة صحيحة: C
السؤال #5
What interfaces does Fusionlnsight Manager support when connecting to an external management platform? (Multiple choices)
A. SNMP
B. VPN
C. BGP
D. Syslog
عرض الإجابة
اجابة صحيحة: AD
السؤال #6
RowKey of a table in HBase:Divide the SplitKey into 9, e, a, z. How many Regions does this table have?
A. 3
B. 4
C. 5
D. 6
عرض الإجابة
اجابة صحيحة: C
السؤال #7
Which of the following commands can be used to create node data?
A. get/node
B. create /node
C. set/node data
D. 1s/node
عرض الإجابة
اجابة صحيحة: B
السؤال #8
Which of the following is incorrect about the BloomFilter feature of HBase?
A. used to filter data
B. Used to optimize the performance of random reads
C. will increase storage consumption
D. Can accurately determine that a certain data does not exist
عرض الإجابة
اجابة صحيحة: A
السؤال #9
In the design of the FusionlnsightHDl group network, there is a rack that can linearly expand according to business needs.
A. xtension box
B. asic box
C. anagement box
D. ata frame
عرض الإجابة
اجابة صحيحة: A
السؤال #10
When deploying Fusioninsight HD, how many FlumeServer nodes are recommended to be deployed in the same cluster?
A. 1
B. 2
C. 3
D. 4
عرض الإجابة
اجابة صحيحة: B
السؤال #11
In the MRS platform, which component does the F1ume data flow not need to pass through in the node?
A. Sink
B. Channel
C. LTopic
D. Source
عرض الإجابة
اجابة صحيحة: C
السؤال #12
When viewing the Partition details of a topic in Kafka, which command is used?
A. bin / kafka-topics
B. bin / kafka-topics
C. bin / kafka-topics
D. bin / kafka-topics
عرض الإجابة
اجابة صحيحة: C
السؤال #13
Which of the following descriptions about the basic operations of Hive SQL is correct?
A. hen loading data to Hive, the source data must be a path of HDFS
B. reate an external table using the external keyword
C. ou can specify the column separator when creating the table
D. reating an external table must specify location information
عرض الإجابة
اجابة صحيحة: C
السؤال #14
Big data requires a change in the thinking mode of traditional industries. Data collection and analysis should be regarded as an important part of business processes. Data-driven business processes should be optimized to achieve intelligence and self-childhood, and rely on data assets to achieve cross-border expansion.
A. orrect
B. alse
عرض الإجابة
اجابة صحيحة: A
السؤال #15
A Fusioninsight HD cluster planned by a certain bank has 90 nodes. If 3 control nodes are planned, the recommended data nodes in the cluster are:
A. 87
B. 85
C. 90
D. 86
عرض الإجابة
اجابة صحيحة: A
السؤال #16
Fusioninsight HD cluster upgrade, is the following description correct? (Multiple choices)
A. Do not manually switch the active and standby OMS during the upgrade process
B. The root account password of all hosts in the cluster must be consistent
C. Keep the network open and avoid abnormal upgrades due to network problems
عرض الإجابة
اجابة صحيحة: ABC
السؤال #17
When planning a FusionlnsightHD cluster, if the customer does not have performance requirements for functional testing and saves costs, the management node, control node, and data node can be deployed together. How many nodes are required at least?
A. 2
B. 3
C. 4
D. 5
عرض الإجابة
اجابة صحيحة: B
السؤال #18
In an MRS cluster, which of the following components does Spark mainly interact with?
A. Zookeeper
B. Yarin
C. Hive
D. HDFS
عرض الإجابة
اجابة صحيحة: A
السؤال #19
Fusioninsight Manager's statement about the configuration function of the service is incorrect?
A. Service level configuration can take effect for all instances
B. Instance-level configuration takes effect only for this instance
C. Instance-level configuration also takes effect on other instances
D. After the configuration is saved, you need to restart the service to take effect
عرض الإجابة
اجابة صحيحة: C
السؤال #20
The minimum processing unit of HBase in Fusioninsight HD system is Region. Where is the routing information between User Region and RegionSeiver stored?
A. ZooKeeper
B. HDFS
C. Master
D. meta table
عرض الإجابة
اجابة صحيحة: D
السؤال #21
What is the physical storage unit of Region in HBasel
A. Region
B. ColumnFamily
C. olumn
D. Row
عرض الإجابة
اجابة صحيحة: B
السؤال #22
Capacity schedulingThe processor allocates resources for each queue, which of the followingOptionsis in the queueresourcescheduleStrategy?
A. apacity
B. IFO
C. esos
D. air
عرض الإجابة
اجابة صحيحة: B
السؤال #23
In the customer IT system, the FusionlnsightHD cluster has 150 nodes, each node has 12 disks (not Raid, not including OS disks), each disk is 1T, only HDFS is installed, and how much data can be stored according to the default configuration?
A. 17MIB
B. 1800IB
C. 600TB
D. 588TB
عرض الإجابة
اجابة صحيحة: D
السؤال #24
What information is included in a KeyValue format in the HBase data file HFile? (Multiple choices)
A. Key
B. Value
C. TimeStamp
D. Key Type
عرض الإجابة
اجابة صحيحة: ABCD
السؤال #25
How is the HBaseM master elected?
A. Master is a dual-master mode and does not need to be adjudicated
B. djudicated by RegionServer
C. djudication via Zookeeper
D. andomly selected
عرض الإجابة
اجابة صحيحة: C
السؤال #26
In the Kafka cluster, the role of the Kafka server is
A. Producer
B. Consumer
C. Zookeeper
D. Brocker
عرض الإجابة
اجابة صحيحة: D
السؤال #27
When planning and designing a Fusionlnsight HG cluster, the cluster has 150 nodes and is not deployed in a dual-plane network. For the description of the cluster network requirements, the following insertions are correct:
A. All nodes in the business plane use 10GE networks
B. Control nodes in the management plane use 10GE networks
C. Data nodes in the management plane use the 1GE network
D. Control nodes in the service plane use 1GE networks
E. Management nodes in the management plane use 10GE networks
عرض الإجابة
اجابة صحيحة: ACE
السؤال #28
The smallest processing unit of HBase is Region. Where is the routing information between User Region and Region Server stored?
A. Zookeeper
B. HDFS
C. Master
D. meta table
عرض الإجابة
اجابة صحيحة: A
السؤال #29
What data does Fusioninsight Manager back up regularly? (Multiple choices)
A. NameNode
B. LDAP
C. OMs (orthophosphoric acid case)
D. DBService
عرض الإجابة
اجابة صحيحة: ABCD
السؤال #30
What data does Fusioninsight Manager back up regularly? (Multiple choices)
A. NameNode
B. LDAP
C. OMs (orthophosphoric acid case)
D. DBService
عرض الإجابة
اجابة صحيحة: ABCD
السؤال #31
Which of the following commands can be used to create node data?
A. get/node
B. create /node
C. set/node data
D. 1s/node
عرض الإجابة
اجابة صحيحة: B
السؤال #32
What is the purpose of a HBase cluster to execute Compaction regularly? "Multiple choices"
A. Reduce the number of files in the same Region and the same ColumnFamily
B. Improve data read performance
C. Reduce the file data of the same ColumnFamily
D. Reduce the number of files in the same region
عرض الإجابة
اجابة صحيحة: AB
السؤال #33
When the loader in Fusioninsight HD imports files from the SFTP server, which of the following file types does not require encoding conversion and data conversion and is the fastest?
A. sequence_file
B. text_file
C. binary_file
D. graph_file
عرض الإجابة
اجابة صحيحة: C
السؤال #34
Which of the following commands can be used to clear the data of all databases under the Redis instance?
A. dropall
B. Lflushall
C. flushdb
D. dropdb
عرض الإجابة
اجابة صحيحة: B
السؤال #35
What data does Fusioninsight Manager back up regularly? (Multiple choices)
A. NameNode
B. LDAP
C. OMs (orthophosphoric acid case)
D. DBService
عرض الإجابة
اجابة صحيحة: ABCD
السؤال #36
The minimum processing unit of HBase in Fusioninsight HD system is Region. Where is the routing information between User Region and RegionSeiver stored?
A. ZooKeeper
B. HDFS
C. Master
D. meta table
عرض الإجابة
اجابة صحيحة: D
السؤال #37
Which of the following is not a role or service involved in the process of reading data in HBasei?
A. HDFS
B. HRegionServer
C. LHMaster
D. ZooKeeper
عرض الإجابة
اجابة صحيحة: C
السؤال #38
Kafka is a distributed message publish and subscribe system. It only forwards messages and does not save messages.
A. True
B. False
عرض الإجابة
اجابة صحيحة: B
السؤال #39
The minimum processing unit of HBase in Fusioninsight HD system is Region. Where is the routing information between User Region and RegionSeiver stored?
A. ZooKeeper
B. HDFS
C. Master
D. meta table
عرض الإجابة
اجابة صحيحة: D
السؤال #40
Which of the following operations cannot be completed through Fusioninsight Manager?
A. Installation and deployment
B. Performance monitoring
C. Rights Management
D. Virtual machine allocation
عرض الإجابة
اجابة صحيحة: D
السؤال #41
Existing server.channelsa=ch1, set the Channel type to File Channel, which of the following configurations is correct?
A. server
B. server
C. server
D. server
عرض الإجابة
اجابة صحيحة: A
السؤال #42
Which of the following factors contributed to the vigorous development of the era of big data?
A. educed hardware costs and increased network bandwidth
B. he rise of cloud computing
C. he popularization of smart terminals and the improvement of social demands
D. ll of the aboveA
عرض الإجابة
اجابة صحيحة: D
السؤال #43
In Fusionlnsight HD system, regarding the storage deployment strategy of Solr index, is the following statement correct? (Multiple choices)
A. Utilize the features of HDFS data storage reliability and easy expansion to preferentially select indexes for storage in HDFS
B. Regardless of whether Solr indexes are stored on HDFS or local disks, 5 Solr instances must be deployed on the same node
C. When the real-time index entry speed is high, you can choose to store the index on the local disk
D. When primed data is stored on HDFS, SolrServer instance and DataNode instance are deployed on the same node
عرض الإجابة
اجابة صحيحة: ACD
السؤال #44
How many shards does an index library of ElasticSearchl have by default?
A. 5
B. 6
C. 3
D. 4
عرض الإجابة
اجابة صحيحة: A
السؤال #45
A typical Katka cluster contains several Producers, several Brokers, several Consumers and a ZooKeeper cluster.
A. rue
B. alse
عرض الإجابة
اجابة صحيحة: A
السؤال #46
Which of the following operations are recorded in the Fusioninsight HD system audit log unavailable?
A. Manually clear warnings
B. Start and stop the service instance
C. delete service instance
D. Check history monitoring
عرض الإجابة
اجابة صحيحة: D
السؤال #47
Which of the following OS versions are recommended for building a Fusioninsight V1R2C60 cluster? (Multiple choices)
A. SUSE 11 SP1 / SP2 / SP3forAMD64 & lntel64
B. CentOS-6
C. RedNat-G
D. RedHat-6
E. RedHat-6
F. Ubuntu6
عرض الإجابة
اجابة صحيحة: ABCDE
السؤال #48
The properties.properties configuration file of Flume can configure multiple channels to transmit data.
A. rue
B. alse
عرض الإجابة
اجابة صحيحة: A
السؤال #49
Regarding the alarm about insufficient disk capacity of Kafkat, which of the following analysis is incorrect for the possible reasons?
A. The disk configuration used to store Kafka data (such as the number of disks, size, etC
B. The data storage time is configured too long, and the accumulated data reaches the upper limit of the disk usage
C. Unreasonable business planning results in uneven data distribution and makes some disks reach the upper limit of usage
D. Caused by the failure of the rocker node
عرض الإجابة
اجابة صحيحة: D
السؤال #50
From the perspective of the life cycle, which stages does the data mainly go through? (Multiple choices)
A. AData collection
B. Bdata storage
C. CData management
D. DData analysis
E. EData presentation
عرض الإجابة
اجابة صحيحة: ABCD

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