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السؤال #1
How many HDFS blocks are saved by default in a Fusioninsight HD system?
A. copies
B.
C. copies
D. ot sure
عرض الإجابة
اجابة صحيحة: A
السؤال #2
In Hadoop, if yarn.scheduler.capacity.root.QueueA. minimum-user-limit-percenti is set to 50, which of the following statements is wrong?
A. A user-submitted task can use 100% of QueueA's resources
B. Each user in QueueA can only get up to 50% of the resources
C. If there are already 2 user tasks running in QueueA, then the task submitted by the third user needs to wait for the release of resources
D. QueueA must ensure that each user gets at least 50% of the resources
عرض الإجابة
اجابة صحيحة: B
السؤال #3
How is the HBaseM master elected?
A. Randomly selected
B. Adjudicated by RegionServer
C. Adjudication via Zookeeper
D. HMaster is a dual-master mode and does not need to be adjudicated
عرض الإجابة
اجابة صحيحة: C
السؤال #4
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 #5
Which statement about the DataNodel of HDFS in Huawei Fusioninsight HD system is correct?
A. Does not check the validity of the data
B. Periodically send the block-related information of this node to the NameNode
C. Blocks stored in different DataNodes must be different
D. Blocks on a DataNode
عرض الإجابة
اجابة صحيحة: B
السؤال #6
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 #7
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 #8
Which of the following types of data is not semi-structured data?
A. HTML
B. XML
C. two-dimensional table
D. JSON
عرض الإجابة
اجابة صحيحة: C
السؤال #9
Which of the following commands can be used to clear the data of all databases under the Redisinstance?
A. ropall
B. flushall
C. lushdb
D. ropdb
عرض الإجابة
اجابة صحيحة: B
السؤال #10
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 #11
To set the maximum resource usage of QueueA in YARN, which parameter needs to be configured?
A. yarn
B. yarn
C. yarn
D. yarn
عرض الإجابة
اجابة صحيحة: D
السؤال #12
How many nodes is suitable for Fusioninsight HD Layer 3 networking?
A. 30 knots or less
B. 100 nodes or more
C. 100-200 nodes
D. 200 nodes or more
عرض الإجابة
اجابة صحيحة: D
السؤال #13
The data stream of FIume can be sent to different channels according to the header information.
A. True
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #14
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 #15
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 #16
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 #17
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 #18
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 #19
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. 0
B. 5
C. 6
D. 7
عرض الإجابة
اجابة صحيحة: D
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
During the Fusioninsight HD installation process, which function cannot be performed by performing preinstall?
A. Modify the 0S configuration to ensure that the 0S meets the installation requirements of Fusioninsight HD
B. Install Manager
C. formatted partition
D. install RPM package missing from OS
عرض الإجابة
اجابة صحيحة: B
السؤال #22
Which command in Redis is to view the remaining lifetime of a key?
A. persist
B. expire
C. ttl
D. expireat
عرض الإجابة
اجابة صحيحة: C
السؤال #23
In an MRS cluster, which of the following components does Spark mainly interact with?
A. ookeeper
B. arin
C. ive
D. DFS
عرض الإجابة
اجابة صحيحة: A
السؤال #24
A Fussinsight Manager is incorrect about the configuration function of the service?
A. Service level configuration takes effect for all instances
B. Instance-level configuration takes effect only for this instance
C. Instance-level configuration also works for other instances
D. The configuration needs to be restarted after the configuration is saved
عرض الإجابة
اجابة صحيحة: C
السؤال #25
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 #26
What data types of application scenarios is HBase of Hadoop not suitable for?
A. arge file application scenarios
B. igh throughput application scenarios
C. emi-structured data application scenarios
D. ass data application scenarios
عرض الإجابة
اجابة صحيحة: A
السؤال #27
Which of the following HDFS commands can be used to check the integrity of a data block?
A. hdfs fsck / (correct answer>
B. hdfs fsck / -delete
C. hdfs dfsadmin -report
D. hdfs balancer-threshold 1
عرض الإجابة
اجابة صحيحة: A
السؤال #28
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 #29
In the operation process of Flink, the role responsible for applying for resources is?
A. ob Manager
B. ask Manager
C. lient
D. esource Manager
عرض الإجابة
اجابة صحيحة: A
السؤال #30
Each stage of a Spark task can be divided into jobs, and the score is marked as shuffle.
A. True
B. False
عرض الإجابة
اجابة صحيحة: B
السؤال #31
Which of the following is the ElasticSearch node?
A. EsNode
B. Index
C. EsMaster
D. Cluster
عرض الإجابة
اجابة صحيحة: A
السؤال #32
In the Fusioninsight HD system, what is the LDAP data synchronization method?
A. One-way synchronization
B. two-way synchronization
C. Isolate out of sync
D. Data cross synchronization
عرض الإجابة
اجابة صحيحة: A
السؤال #33
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 #34
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 #35
In the HDFS mechanism, the NameNode SS manages metadata. Each read request from the client needs to read metadata information from the NameNode's meta data disk to obtain the position of the read file on the DataNode.
A. True
B. False
عرض الإجابة
اجابة صحيحة: B
السؤال #36
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 #37
Which way is incorrect to load data into Hive table?
A. Load the file of the local path directly into the Hive table
B. Load the files on HDFS into the Hive table
C. Hive supports insert into! Single record method, so you can insert a single record directly on the command line
D. Insert result sets from other tables into Hive tables
عرض الإجابة
اجابة صحيحة: C
السؤال #38
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 #39
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 #40
The ResourceManager adopts a high-availability scheme. When the Active resourcemanager finds a fault, it can only start the standby resourcemanager through the built-in zookeeper and switch its state to active.
A. rue
B. alse
عرض الإجابة
اجابة صحيحة: B
السؤال #41
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 #42
Which of the descriptions of the Loader job in FusionlnsightHD is correct?
A. After the Loader submits the job to YARN for execution, if the Loade phase is abnormal at this time, the job fails to execute
B. The Loader submits the job to the small YARN for execution
C. After the Loadet job fails to execute, garbage data will be generated, which needs to be cleared manually by the user
D. After the Loader submits a job to YARN for execution, other jobs cannot be submitted until the job is executed
عرض الإجابة
اجابة صحيحة: B
السؤال #43
The following are the characteristics of Huawei Kunpeng processor
A. igh-performance computing, ARM-compatible high-performance Kunpeng processors and x86- architecture servers and solutions
B. afe and reliable, creating high quality as stable as Mount Tai
C. pen ecology, support mainstream software and hardware in the industry, and work with developers, partners and industrial organizations to create a new base for intelligent computing
D. verything abovecorrect
عرض الإجابة
اجابة صحيحة: D
السؤال #44
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 #45
Flink has no restart strategy.
A. rue
B. alse
عرض الإجابة
اجابة صحيحة: B
السؤال #46
Existing server.channelsa=ch1, set the Channel type to File Channel, which of the followingconfigurations is correct?
A. erver
B. erver
C. erver
D. erver
عرض الإجابة
اجابة صحيحة: A
السؤال #47
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 #48
When deploying Kerberos and LDAP services for FusionlnsightHD products, what is the following description correct? (Multiple choices)
A. Before deploying Kerberos, you must deploy the LDAF service
B. The LDAP service must be deployed on the same node as the Kerberos service
C. Kerberos service and LDAP are deployed to the same node to facilitate data access and improve performance
D. LDAP service can be shared across multiple clusters
عرض الإجابة
اجابة صحيحة: AC
السؤال #49
Fusioninsight Manger supports external REST interface, SNMP interface, and SYSLOG interface.
A. rue
B. alse
عرض الإجابة
اجابة صحيحة: A
السؤال #50
When viewing the partition details of a TopicE of Kafka, which command should be used?
A. bin/kafka-topiC
B. bin/kafka-topiC
C. bin/kafka-topi sh -describe
D. bin/kafka-topiC
عرض الإجابة
اجابة صحيحة: C

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