[Feb 06, 2022] Huawei H13-711_V3.0 Real Exam Questions and Answers FREE
Pass Huawei H13-711_V3.0 Exam Info and Free Practice Test
NEW QUESTION 123
In order to ensure the reliability of the snapshot storage of streaming applications, where are the snapshots mainly stored?
- A. In HDFS
- B. In the local file system
- C. In the memory of JobManager
- D. In a highly reliable stand-alone database
Answer: A
NEW QUESTION 124
Which of the following options belong to Hive's data storage model?
- A. All the above are correct
- B. Table
- C. Database
- D. Bucket
- E. Partition
Answer: A
NEW QUESTION 125
In the Fusioninsight Hadoop cluster, through df-hT query on a node, the partitions seen include the following:
/var/log
/srv/BigData
/srv/BigData/hadoop/data5
/srv/BigData/solr/solrserver3
/srv/BigData/dbdataom
What is the planned combination of the best Raid level for the disks corresponding to these partitions?
- A. Raid0 Raid0 Raid0 Raid0 Raid0
- B. Non-Raid Non-Raid Non-Raid Non-Raid Raid1
- C. Raid1 Raid1 Non-Raid Non-Raid Raid1
- D. Raid0 Raid1 Raid0 Non-Raid1
Answer: C
NEW QUESTION 126
Regarding the comparison between Hive and traditional data warehouse, which is wrong in the following description?
- A. Since Hive's data is stored in HDFS, it can ensure high fault tolerance and high reliability of the data
- B. Hive metadata storage is independent of data storage, thus decoupling metadata and data, with high flexibility, while traditional data warehouse data applications are single and low flexibility
- C. Hive is based on HDFS storage, theoretically the storage capacity can be expanded indefinitely, while the traditional data warehouse storage capacity will have an upper limit
- D. Since Hive is based on a big data platform, query efficiency is faster than traditional data warehouses
Answer: D
NEW QUESTION 127
Now server.channels=ch1 is available, set the Channel type to File Channel, which of the following configurations are correct?
- A. server.channels.type = file
- B. server.channels.type = memory
- C. server.channels.ch1.type = memory
- D. server.channels.ch1.type = file
Answer: D
NEW QUESTION 128
If you want to add 1 to the digital value stored in the Key, which command should be used?
- A. incrby
- B. incr
- C. decrby
- D. decr
Answer: B
NEW QUESTION 129
In the Hadoop system, if the backup factor of the HDFS file system is 3, then each time MapReduce runs a task, it needs to transfer the file segments that need to be processed from three machines with copies.
- A. False
- B. True
Answer: A
NEW QUESTION 130
After submitting the topology using the Streaming client shell command in the Fusioninsight HD system, using the Strom UI to view it, it is found that the topology has not processed data for a long time. What are the possible reasons? (Multiple choice)
- A. Supervisor is a component that receives data in the topology and then performs processing
- B. There is a logic error in the topology business, and it cannot run normally after submission
- C. The topology is too complicated or the concurrency is too large, which causes the worker startup time to be too long, exceeding the waiting time of the Supervisor
- D. Supervisor's slot resources are exhausted, and no slots can be allocated to start the worker process after the topology is submitted.
Answer: B,C,D
NEW QUESTION 131
Hardware failure is considered normal. In order to solve this problem, HDFS has designed a copy mechanism.
By default, one file, how many copies will HDFS save?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION 132
Which of the following scenarios' data collection is Flume suitable for? (Multiple choice)
- A. Collect data from data sources such as Thrift, Avro, Syslog, Kafka, etc.
- B. Log collection generated by the application system
- C. Local file data collection
- D. Real-time data collection of large amounts of data
Answer: A,B,C
NEW QUESTION 133
A user information table meg_table is saved in the HBase of Fusioninsight HD, Rowkey is the user id, and one of the columns is the user nickname. Now write three KeyValues in this column in order: 001:Li, 001:Mary, 001:Lily , May I ask scan' meg_table', (VERSION=>2) which data will be returned?
- A. 001: Li
- B. 001: Mary, 001: Lily
- C. 001: Li, 001: Mary, 00l: Lily
- D. 001: Lily
Answer: C
NEW QUESTION 134
Kafka, as a distributed messaging system, supports online and offline message processing, and provides javaAPI for the docking of other components. In the Fusioninsight solution, Kafka belongs to the Fusionlnsight HD module.
- A. True
- B. False
Answer: A
NEW QUESTION 135
Hadoop's NameNode is used to store metadata of the file system.
- A. True
- B. False
Answer: A
NEW QUESTION 136
What data does Fusioninsight Manager back up regularly? (Multiple choice)
- A. NameNode
- B. DBService
- C. OMS
- D. LDAP
Answer: A,B,C,D
NEW QUESTION 137
Through the unified user management system in the big data platform, unified management of users, roles and organizations of various open-source component application systems in the platform can be realized, and cross-domain single sign-on logout and unified identity authentication function among various application systems can be realized.
- A. True
- B. False
Answer: A
NEW QUESTION 138
Which of the following commands can be used to create node data?
- A. ls/node
- B. create /node
- C. get /node
- D. set/node data
Answer: B
NEW QUESTION 139
Which of the following descriptions of the basic operations of Hive SQL is correct?
- A. Create an external table using external keying. To create a normal table, you need to specify the internal keyword
- B. To create an external table, you must specify location information
- C. The source data must be a path in HDFS when loading data to Hive
- D. You can specify the column separator when creating a table
Answer: D
NEW QUESTION 140
Which of the following descriptions of Zookeeper features are wrong?
- A. Message update can only succeed or fail, there is no intermediate state
- B. The updating snapshot sent by the client will be applied in the order in which they were sent
- C. The number of Zookeeper nodes must be an odd number
- D. If a message is received by a server with more than radius, it will be able to successfully write to the disk
Answer: C
NEW QUESTION 141
How is the main master of HBaseM elected?
- A. Adjudication through Zookeeper
- B. HMaster is a dual-master mode, no adjudication is required
- C. Random selection
- D. Ruling by RegionServer
Answer: A
NEW QUESTION 142
After the FusionlnisghtHD cluster is successfully installed, it is not allowed to modify the configuration of services, roles, and instances.
- A. False
- B. True
Answer: A
NEW QUESTION 143
Which of the following descriptions of the cloud search service CSS is correct? (Multiple choice)
- A. Expansion of nodes and disk services will not be interrupted, and the thesaurus will be updated without interruption
- B. TB-level data retrieval is returned in seconds
- C. Does not support the fusion search of text such as sound
- D. Compatible with Elasticsearch APIs
Answer: A,B,D
NEW QUESTION 144
In Huawei Fusioninsight HD, which of the following components are Flink strongly dependent on? (Multiple choice)
- A. Zookeeper
- B. YARN
- C. Kafka
- D. HDFS
Answer: A,B,D
NEW QUESTION 145
Normally, Hive tables stored in text files will use carriage return as the row separator. In Huawei Fusioninsight Hive, you can specify the input and output format processing classes of the table data.
- A. True
- B. False
Answer: A
NEW QUESTION 146
Kerberos, as an authentication server center, can provide unified authentication services to all services in the cluster and secondary development applications of customers.
- A. True
- B. False
Answer: A
NEW QUESTION 147
In Flink, the checkpoint mechanism can ensure that when the application fails during operation, it will be restored from a certain checkpoint. In this process, the stream snapshot is established based on the data inflow.
- A. True
- B. False
Answer: A
NEW QUESTION 148
......
Latest H13-711_V3.0 Exam Dumps Huawei Exam: https://pass4sure.troytecdumps.com/H13-711_V3.0-troytec-exam-dumps.html