H13-711_V3.0 Exam Dumps - HCIA-Big Data V3.0
A Fusioninsight HD cluster contains multiple services, and each service consists of several roles. Which of the following are the roles of the service?
The high reliability of Fusioninsight HD data is reflected in which of the following aspects?
Which of the following descriptions about the functions of HRegionServe in HBase are incorrect?
Which of the descriptions of the Loader job in FusionlnsightHD is correct?
Multi-select Hive components can support multiple interfaces, which of the following interfaces is not supported
What are the main characteristics of big data analysis related technologies?
When a MapKeduce program runs, the Map? ?malfunction. Which of the following options describe this task correctly?
The checkpoint mechanism in Flink continuously draws snapshots of streaming applications. The state snapshots of streaming applications can only be saved in the HDFS file system
. The open source big data platform based on Hadoop mainly provides distributed computing and storage capabilities for data. Which of the following are distributed storage components?
Which of the following descriptions about HBase. Secondary Index is correct
Regarding the relationship between Hive and other components of Hadoop. Which of the following descriptions is wrong?
In order to ensure the reliability of snapshot storage of streaming applications, where are the snapshots mainly stored?
YARN manages cluster resources through ResourceManager. What are its main functions?
The following statements about the reliability of Fusioninsight network security are correct:
F? ?Include? ?Second major?, the following are about these two? ?Which one is it?
Fusioninsight HD Manager interface Hive log collection. Which option is incorrect?
RowKey of a table in HBase:Divide the SplitKey into 9, e, a, z. How many Regions does this table have?
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?
Which of the following HDFS commands can be used to check the integrity of data blocks?
Which component controls the primary and secondary arbitration of NameNodef in HDFS
In the replica placement strategy of HDFS, what is the distance between different servers in the same rack?
Among the following options, which are the processes that MapReduce will have?
Which of the following destinations can Fusioninsight HD Loader export HDFS data to?
F1ume is used to collect data, and the basic unit of data transmitted by the device is
Regarding the task selection of the capacity scheduler, which of the following statements is true( )
In big data computing tasks, about0Which description of intensive tasks is incorrect?oneitem?
What can the unified certification management system of mainstream manufacturers consist of?
Which components in FusioninsightHD can Zookeeper provide distributed management support for?
Is the description of the role of the standby NameNode correct in the HDFS system?
SELECT a salary，b adiress FROM employee a JoiNsELECT adress FROM Employee info where provine ='zhejiang) b NO ananme=B. name: "What types of operations are included?
In an MRS cluster, which of the following components does Spark mainly interact with?
RDD has Transformation and Action operators. Which of the following belongs to the Action operator?
The following figure shows the label storage strategy of HDFS. Observe the figure below, which data nodes will HBasel data be stored on
Which of the followingOSWhich version is recommended for building a Fusioninsight V1R2C60 cluster?
When installing the Streaming component of FusionlnsightHD, the Nimbus role requires several nodes to be installed
The order in which the YARN scheduler allocates resources, which one of the following descriptions is correct?
Which of the following descriptions about Kafka partition offset is incorrect?
Regarding the alarm about insufficient disk capacity of Kafkat, which of the following analysis is incorrect for the possible reasons?
What data types of application scenarios is HBase of Hadoop not suitable for?
F1ink in( )interface for streaming data processing,( )interface for batch processing?
Which of the following is not a characteristic of the MapReduce component in Hadoopl?
Which of the supervisor descriptions of Fusioninsight HD Streaming is correct?
Which of the following is not included in the schemai authentication method of Zookeeper?
In the Fusioninsight HD product, a typical kafka cluster contains several producers, thousands of consumers and a zookeeper cluster?
YarnWhen doing resource scheduling, maptaak and reduceTask are run in( )middle.
The job of Loader fails to execute, and the imported data will not be deleted automatically, and must be deleted manually.
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.
Under the HDFS federation mechanism, metadata between NameNodes is not shared.
Which of the following options are correctHBasoProcess description of reading and datastatedcorrect?
Assuming that HDFS only saves 2 copies when writing data. Then during the writing process, HDFS Client first writes data to DataNodel1 and then writes data to DataNode2.0
Which of the following operations cannot be recorded in the Fusioninsight HD system audit log?
A typical Katka cluster contains several Producers, several Brokers, several Consumers and a ZooKeeper cluster.
HMaster needs to be connected when using HBase for data reading service in Fusioninsight HD
User Rights Management Role-Based Access Control (RBAC), which provides visual multi-group unified user rights management in clusters.
The client writes data to any Zookeeper node. Zookeeper needs to fully synchronize the data to other nodes before returning to the client to write successfully.
The process of OpenScanner in HBasel will create two different Scanners to read the data of HFile and MemStore. The Scanner corresponding to HFile is StoreFileScanner, and the Scanner corresponding to MemStore is MemStoreScanner.
A Key Value format in the HBasel data file HFiler contains Key; Value, TimeStamp, KeyType, etC.
The core concept of MapReduce is to decompose a large computing task into each node of the cluster to make full use of cluster resources to shorten the running time.
In Hive architecture, ( ) groupPiece is responsible for table, columnand Partition etC. yuandataRead, write and update operations
Fusioninsight Spark SQL, like the community Spark JDBCServer, only supports single-tenant binding to a YARN resource queue and multi-tenancy, and does not support multi-tenant parallel execution.
The reliability of flume's data transmission means that in the process of data transmission, flume can automatically switch to another route to continue transmission when the next-hop flume node fails or the data is received abnormally.
In the MRS interface, Loader can specify a variety of different data sources, configuration data cleaning and conversion steps, configure cluster storage systems, etC. .
In F1ink, the checkpoint mechanism can ensure that when the application fails during operation, it can recover from a certain checkpoint. During this process, stream snapshots are created in sequence according to the order of data inflow.
After the Loadert job in Fusioninsight HD is submitted to YARN, the job cannot be manually stopped.
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.
LdapServerff? ?(group) is to unify usersgroup managementreason. likefruituserAdd to? ?middle.? ?middle? ?record.
The Streaming of Fusioninsight HD is developed based on the open source Apache Storm, which is a distributed offline computing framework.
In Flink, the checkpoint mechanism can ensure that when the application fails during operation, it can recover from a certain checkpoint. During this process, the flow snapshot is established according to the inflow of data
Use the Hbase client to write 10 pieces of data in batches. An HRegionServer node contains 2 regions of the table, namely A and B. Among the 10 pieces of data, 6 belong to A and 4 belong to B. Please write How many RPC requests do I need to send to HRegionServer for these 10 pieces of data?