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RowKey of a table in HBase:Divide the SplitKey into 9, e, a, z. How many Regions does this table have?
What does Fusioninsight HD HBase use by default as its underlying file storage system?
In the FusionInsight cluster, which of the following components does Spark mainly interact with?
Which of the followingOSWhich version is recommended for building a Fusioninsight V1R2C60 cluster?
The high reliability of Fusioninsight HD data is reflected in which of the following aspects?
When executing the HBases data reading business, which parts of the data need to be read?
In Huawei's big data solution b, which of the following components are included in the bottom layer of hadoop?
The following figure shows the label storage strategy of HDFS. Observe the figure below, which data nodes will HBasel data be stored on
As shown in the figure, what languages are supported by the Flink streaming data processing interface Datastream API?
If HDFS is deployed with a single name node, what limitations may exist? (multiple choice)
When the Hive service status is displayed as Bad on the Fusioninsight Manager interface, what are the possible reasons?
What are the correct understandings and descriptions of the main features of big data?
Are the following descriptions correct about the HBase file storage module (HBase FileStream, HFS for short)?
In Huawei's big data solution, which of the following components are included in the hadoop layer?
With the continuous increase in the volume of big data, the requirements for the physical security of data storage are getting higher and higher, and higher requirements are also put forward for the multiple copies of data and disaster recovery mechanism.
Which of the following application scenarios can HBase be used for? (multiple choice)
In order to consider performance optimization. It is recommended to deploy LdapServer and KrbServer on the same node in all clusters
User Rights Management Role-Based Access Control (RBAC), which provides visual multi-group unified user rights management in clusters.
The flume architecture shown in the figure below is mainly used to import data from outside the cluster into the cluster.
In big data computing tasks, aboutI0Which of the following is an incorrect description of an intensive task?
What is the module used to manage the active and standby states of the Loader Server process in Loader?
HiveServer compiles and parses HQL statements submitted by users into corresponding Yarm tasks, Spark tasks or HDPS operations, thereby completing data extraction, conversion, and analysis.
During data stream processing,frequently used systemtimebetween(proceessing time)dofor an eventbetween. About Processing TimeWhich item is described incorrectly?
In the replica placement strategy of HDFS, what is the distance between different servers in the same rack?
Flume's properties.properties configuration file can configure multiple channels to transmit data.
Multiple channels can be configured in the properties.protertises configuration file of Flumef to transmit data
When importing data into a Hive table, the validity of the data will not be checked, but only when the data is read.
kafka Distributed message delivery is based on reliable message queues. Which of the following two main message delivery patterns are included?
F1ink is a unified computing framework that combines batch processing and stream processing. Its core is a stream data processing engine for data distribution and parallel computing.
Hiveis establishedHadccpdata warehouse basefoundationframework. itcarryProvides a range of tools that can be used to performaccording to?Extractive loading?,Thisis a possiblestorage,? ?Analysis is stored inH?The mechanism of large numbers in.
In the HBase component, data read and write services need to be connected to the Master for execution.
The following figure shows the storage locations of files A, B, C, and D. A and B are related, and their storage locations conform to the Colocation strategy.
kafka is a high-throughput, distributed, publish-subscribe-based messaging system. Using kafka technology, a large-scale messaging system can be built on cheap PC Server_.
Spark's intermediate data is stored in memory, which is more efficient and has higher latency for iterative operations and batch calculations.
YarnWhen doing resource scheduling, maptaak and reduceTask are run in( )middle.
The Streaming of Fusioninsight HD is developed based on the open source Apache Storm, which is a distributed offline computing framework.
Data in FlumeCompression characteristics are mainlyYesFor which of the following purposes?
During the deployment of Fusioninsight HD, the CheckNode.Config configuration file must be called when performing precheck to check each node.
In the Fusioninsight HD system, if dirty data is generated while the Loader job is running, the status of the Loader job execution result must be failed.
F1ink state preservation mainly depends on( )mechanism, which regularly backs up the state in the program.
Which of the following scenarios is not suitable for HDFS?
A streaming data access
B. Lots of small file storage
C. Large file storage and access
D. random write
There are 230 nodes in the FusionlnsightHD cluster of a university. Which of the following processes should be deployed on the data nodes during cluster planning?
ADataNode
B. NameNode
C. NodeManager
D. RegionServer
E.DBServer
F.SolrServer
The scheme authentication method of single-choice Zookeeper does not include which of the following?( )
NodeManager memory andCThe number of PUs is configured by which of the following options?
In Kafka HA, when the leader corresponding to the partition is down, a new leader needs to be elected from the followers. Which of the following roles should be executed?
The figure below shows the configuration of HDFS tiered storage. If the number of copies of a block is 4. Which of the following statements is wrong?
When a Regioni in HBaser performs the Split operation, what stage occurs in the process of actually dividing an HFile file into two Regions?
The figure below shows the data transmission architecture of flume. What is the component at the "?" in the figure?
In the operation process of F1ink, the role responsible for applying for resources is
Which of the following is not included in the schemai authentication method of Zookeeper?
Which of the following factors contributed to the vigorous development of the era of big data?
Which of the following descriptions about Hive log collection on the Fusioninsight Manager interface is incorrect?
In Fusioninsight HD, if you need to view the user and permission group currently logged in to HBase, what command can be executed in the HBase shell?
Which of the following operations cannot be recorded in the Fusioninsight HD system audit log( )
In the Fusioninsight HD system, which component does the flume data flow not need to pass through in the node?
Streaming:Event listening is mainly implemented through which of the following services provided by Zookeeper?
TESTED 04 May 2024
