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السؤال #1
How many shards does an index library of ElasticSearchl have by default?
A.
B.
C.
D.
عرض الإجابة
اجابة صحيحة: A
السؤال #2
What host operating system does Fusioninsight HD node not support?
A. Suse 11
B. RedHat 6
C. CentOS 6
D. Ubuntu 11
عرض الإجابة
اجابة صحيحة: D
السؤال #3
When the number of nodes in the Zookeeper cluster is 5 nodes, how many nodes are the disaster recovery capabilities of the cluster equivalent to?
A. 3
B. 4
C. 6
D. none of the above
عرض الإجابة
اجابة صحيحة: C
السؤال #4
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 #5
When a Regioni in HBaser performs the Split operation, what stage occurs in the process of actually dividing an HFile file into two Regions?
A. During Spliti
B. During Flush
C. ompactionj process
D. HFile separation process
عرض الإجابة
اجابة صحيحة: C
السؤال #6
The order in which the YARN scheduler allocates resource requests, which of the following descriptions is correct.
A. ocal resources-> Same rack-> Any machine
B. ame rack-> Any machine-> Local Huangyuan
C. n arbitrary machine-> same rack-> Mochi resources
D. ny machine-> local resources-> same rack
عرض الإجابة
اجابة صحيحة: A
السؤال #7
SoIrCloud mode is cluster mode. In this modeSWhich of the following services does the olr server strongly depend on?
A. HBase
B. HDFS
C. ZooKeeper
D. YARN
عرض الإجابة
اجابة صحيحة: C
السؤال #8
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 #9
In the F1ink technical architecture,( )is a computing engine for stream processing and batch processing
A. Standalone
B. Runtime
C. DataStream
D. FlinkCore
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اجابة صحيحة: B
السؤال #10
When deploying Solr on Fusionlnsighr HD, if you choose primes to be stored on local disk, it is recommended to give each SolrSeiver:
A. Yes
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #11
How is the HBaseM main Master elected?
A. Master is in dual-master mode and does not need to be adjudicated
B. djudicated by RegionServer
C. andomly selected
D. udgment via Zookeeper
عرض الإجابة
اجابة صحيحة: D
السؤال #12
Which service process manages the HBasel Region in the Hadoop platform?
A. HMaster
B. DataNode
C. RegionServer
D. Zookeeper
عرض الإجابة
اجابة صحيحة: C
السؤال #13
In Fusionlnsight HD cluster planning, manage nodes&control node&What kind of scenarios is the unified data node deployment solution suitable for?
A. Below 30 nodes
B. More than 100 nodes
C. 100-200 nodes
D. More than 200 nodes
عرض الإجابة
اجابة صحيحة: A
السؤال #14
The figure below shows the data transmission architecture of flume. What is the component at the "?" in the figure?
A. hannel processor
B. nterceptor
C. one of the aboveA
D. hannel selector
عرض الإجابة
اجابة صحيحة: D
السؤال #15
What is the default Block Size of HDFS in Fusioninsight HD system?
A. 32M
B. 64M
C. 128M
D. 256M
عرض الإجابة
اجابة صحيحة: C
السؤال #16
Which object cannot be managed by Fusioninsight manager?
A. Spark
B. host OS
C. YARN
D. HDFS
عرض الإجابة
اجابة صحيحة: B
السؤال #17
What kind of computing tasks are the MapReduces components in Hadoop good at?
A. Iterative calculation
B. Offline computing
C. real-time interactive computing
D. Streaming Computing
عرض الإجابة
اجابة صحيحة: B
السؤال #18
Which of the following descriptions about Kafka partition offset is incorrect?
A. Consumers track records by (offset, partition, topic)
B. Uniquely tag a message
C. offset is a String type string
D. The position of each message in the file is called offset
عرض الإجابة
اجابة صحيحة: C
السؤال #19
Regarding Kerberos deployment, what is the correct description?
A. Kerberos has only one role
B. Kerberos service has two instances on the same node
C. Kerberos service is deployed in active / standby mode
D. The Kerberos service must be deployed on the same node as the LDAP service
عرض الإجابة
اجابة صحيحة: B
السؤال #20
Which of the following statements about Flink barriers is wrong
A. Barriers are periodically inserted into the data flow and flow with it as part of the data flow
B. Barriers are at the heart of Flink snapshots
C. A barrier separates the snapshot data of the current cycle from the snapshot data of the next cycle
D. When the barrier is inserted, it will temporarily block the data flow
عرض الإجابة
اجابة صحيحة: D
السؤال #21
Fusioninsight HD Manager interface Hive log collection. Which option is incorrect?
A. You can specify an instance for log collection, such as specifying a separate collection of MetaStorel logs
B. You can specify a time period for log collection, for example, only collect logs from 2016-1-1 to 2016-140
C. The node IP can be specified for log collection, for example, only the logs of a certain IP can be downloaded
D. A specific user can be specified for log collection, for example, only the logs generated by userA can be downloaded
عرض الإجابة
اجابة صحيحة: D
السؤال #22
The Fusioninsight HD cluster planned by a bank has 90 nodes. If three control nodes are planned, it is recommended to plan only one data node in the cluster.
A. 87
B. 85
C. 90
D. 86
عرض الإجابة
اجابة صحيحة: A
السؤال #23
Hive log collection on Fusionlnsight HD Manager interface, which option is incorrect?
A. You can specify an instance for log collection, such as specifying that the MetaStore logs are collected separately
B. Log collection can be specified for a period of time, for example, only records of 2016-1-1> 2016-1-
C. You can specify the node IP for log collection, such as downloading only the logs of a certain IP
D. can specify that the user logs into the log collection, for example, only download logs generated by userA user
عرض الإجابة
اجابة صحيحة: D
السؤال #24
What is the role of the Connector when the Fusionlnsight HD Loader creates a job?
A. Determine what conversion steps are in place
B. Provide optimization parameters to improve data import and export performance
C. How the configuration job connects to an external data source
D. How the configuration job connects to internal data sources
عرض الإجابة
اجابة صحيحة: C
السؤال #25
What is the role of the Connector when the Fusionlnsight HD Loader creates a job?
A. Determine what conversion steps are in place
B. Provide optimization parameters to improve data import and export performance
C. How the configuration job connects to an external data source
D. How the configuration job connects to internal data sources
عرض الإجابة
اجابة صحيحة: C
السؤال #26
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 #27
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 #28
Regarding the ControllerNodeAgent in FusionlnsightManager, which statement is correct?
A. odeAgent accepts commands from Controller and executes specific actions
B. odeAgent is open source enhanced
C. ontroller must be deployed on each node
D. Ontroller sends heartbeat to NodeAgent every 3 seconds
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
Which parameter needs to be configured to enable the log aggregation function of the YARN component in the Hadoop platform?
A. YARN
B. YARN
C. YARN
D. YARN
عرض الإجابة
اجابة صحيحة: D
السؤال #31
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 #32
Fusioninsight HD system audit log is unavailable to record which of the following operations?
A. elete service instance
B. lear warnings manually
C. tart and stop the service instance
D. uery History Monitoring
عرض الإجابة
اجابة صحيحة: D
السؤال #33
The following are the characteristics of Huawei Kunpeng processor
A. High-performance computing, ARM-compatible high-performance Kunpeng processors and x86-architecture servers and solutions
B. Safe and reliable, creating high quality as stable as Mount Tai
C. Open 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. everything abovecorrect
عرض الإجابة
اجابة صحيحة: D
السؤال #34
In the 196 FusionlnsightHD system, which of the following methods cannot see the results of the Loader job execution?
A. iew through Loader UI
B. iew through Yarn task management
C. hrough rjodelVIanager
D. iew alarms through Manager
عرض الإجابة
اجابة صحيحة: C
السؤال #35
When the Loader of Fusioninsight HD creates a job, what is the function of the connector?
A. Determine what conversion steps are in place
B. Provide optimization parameters to provide data import and export performance
C. Configure how jobs connect to external data sources
D. Configure how jobs connect to internal data sources
عرض الإجابة
اجابة صحيحة: C
السؤال #36
Which of the following programming languages ​​does Spark implement?
A. C
B. C + ten
C. JAVA
D. Scale
عرض الإجابة
اجابة صحيحة: D
السؤال #37
Regarding the basic operation of Hive table building, which is the correct description?
A. When creating an external table, you need to specify the external keyword
B. Once the table is created, the table name cannot be changed
C. Once the table is created, the column names cannot be changed
D. Once the table is created, no new columns can be added
عرض الإجابة
اجابة صحيحة: A
السؤال #38
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 #39
Which configuration is not supported by Fusioninsight Manager user rights management?
A. Assign roles to users
B. Configure permissions for roles
C. Assign roles to user groups
D. Configure permissions for user groups
عرض الإجابة
اجابة صحيحة: D
السؤال #40
In Spark on YARN mode, the node without NodeManager cannot start the executor to execute the Task
A. rue
B. alse
عرض الإجابة
اجابة صحيحة: A
السؤال #41
Which of the following are the resident processes of the Spark service? "Multiple choices"
A. JobHistory
B. JDBCServer
C. SparkResource
D. NodeManaaer
عرض الإجابة
اجابة صحيحة: AB
السؤال #42
In the Fusioninsight product, about the Kafka topic, which of the following descriptions are incorrect?
A. Each topic can only be divided into one partition (area)
B. The number of Topic partitions can be configured at creation time
C. The storage layer of each Partition corresponds to a log file, and the log file records all information data
D. Each message published to Kafkab has a category, which is called Topic, which can also be understood as a queue for storing messages
عرض الإجابة
اجابة صحيحة: A
السؤال #43
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 #44
The Streaming of Fusioninsight HD is developed based on the open source Apache Storm, which is a distributed offline computing framework.
A. rue
B. alse
عرض الإجابة
اجابة صحيحة: B
السؤال #45
In .FusionlnsightHD V100R002C60 cluster, which of the following components need to be planned for metadata partitioning? (Multiple choices)
A. HDFS
B. Zookeeper
C. Streaming
D. Redis
E. HBase
F. Kafka
عرض الإجابة
اجابة صحيحة: ABC
السؤال #46
In the Fusioninsight HD system, Kerberros is only used for security authentication of component services.
A. True
B. False
عرض الإجابة
اجابة صحيحة: B
السؤال #47
The Fusioninsight HD management node provides a dual-machine HA mechanism. After the master node fails, the master and backup nodes need to implement failover manually.
A. rue
B. alse
عرض الإجابة
اجابة صحيحة: B
السؤال #48
HDFS supports large file storage, and supports multiple users to write to the same file, as well as modify the file anywhere.
A. ATrue
B. BFalse
عرض الإجابة
اجابة صحيحة: B
السؤال #49
P? ?need? ?receive? ?Confirmation issued after? ?signal, when setting the MC?numbered?How many times means at least used? ?write?Le?, but does not require writing? ?write?
A. n?2
B. cka?1
C. n?1
D. n?0
عرض الإجابة
اجابة صحيحة: C
السؤال #50
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.
A. True
B. False
عرض الإجابة
اجابة صحيحة: B

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