100% Guaranteed Results H13-711_V3.0-ENU Unlimited 500 Questions [2022]
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NEW QUESTION 214
Flink supports local mode and cluster mode deployment, other mode deployments are not currently supported.
- A. True
- B. False
Answer: B
NEW QUESTION 215
When the Fusioninsight Manager interface shows that the Hive service status is Bad, what are the possible reasons? (Multiple choice)
- A. MetaStore instance is unavailable
- B. HBase service is unavailable
- C. DBService is unavailable
- D. HDFS service is unavailable
Answer: A,C,D
NEW QUESTION 216
In Fusionlnsight HD products, which statement about Kafka components are correct? (Multiple choice)
- A. Unavailability of the ZooKeeper service will cause the Kafka service to be unavailable
- B. Must use admin user or Kafka admin group user to create Topic
- C. When deleting a topic, you must ensure that the Kafka service configuration delete.topic.enable is set to true
- D. Kafka installation and operation log save path is /srv/Bigdata/kafka
Answer: A,B,C
NEW QUESTION 217
According to how the data stream transfers data between two Transformations, what types of data streams can be divided into? (Multiple choice)
- A. Redistributing flow
- B. one to one flow
- C. distributing flow
- D. one to Multi-flow
Answer: B,D
NEW QUESTION 218
Which of the following descriptions of Zookeeper features is wrong?
- A. A message needs to be received by more than half of the servers. It can be successfully written to disk
- B. The number of Zookeeper nodes must be an odd number.
- C. Updates sent by the client will be applied in the order in which they were sent.
- D. Message update can only succeed or fail, there is no intermediate state.
Answer: B
NEW QUESTION 219
When performing HBase data reading service, which parts of data need to be read? (Multiple choice)
- A. HFile
- B. HMaster
- C. HLog
- D. MemStore
Answer: A,D
NEW QUESTION 220
Which of the following statements is correct about the interaction between Flink and other components? (Multiple choice)
- A. Flink reads and writes data in the HDFS file system
- B. Flink can send the received components to Kafka
- C. The implementation of Flink's checkpoint relies on Zookeeper
- D. The operation of Flink tasks relies on YARN for resource scheduling management
Answer: A,B,C,D
NEW QUESTION 221
Which of the following statement about the segment file in Kafka Logs is correct? (Multiple choice)
- A. The index file is stored sparsely, which can greatly reduce the space occupied by the index file metadata
- B. Sparse storage, that is, the original complete data, only select multiple data at intervals for storage
- C. Messages can be quickly located by indexing information
- D. All index metadata is mapped to memory, which can avoid the index data IO disk operation of sementfile
Answer: A,B,C,D
NEW QUESTION 222
When viewing the partition details of a topic in Kafka, which command is used as follows?
- A. bin/kafka-topic.sh -delete
- B. bin/kafka-topic.sh -describe
- C. bin/kafka-topic.sh -create
- D. bin/kafka-topic.sh -list
Answer: B
NEW QUESTION 223
Flume supports monitoring and transferring new files under the directory, which can realize data transfer. What kind of source is described of the following?
- A. http source
- B. exec source
- C. spooling directory source
- D. syslog source
Answer: C
NEW QUESTION 224
In Fusionlnsight HD products, a typical Kafka cluster contains several Producers, several Borkers, several Consumers and a Zookeeper cluster.
- A. True
- B. False
Answer: A
NEW QUESTION 225
In many small file scenarios, Spark will start a lot of tasks. When there is a Shuffle operation in the SQL logic, it will greatly increase the number of hash buckets, which will seriously affect performance. In Fusioninsight, for small file scenarios, the () operator is usually used to merge the partitions generated by the small files in the Table to reduce the number of partitions, to avoid generating too many hash buckets during shuffle and improve performance?
- A. join
- B. connect
- C. group by
- D. coalosce
Answer: A
NEW QUESTION 226
Which of the following options belong to broadly dependent? (Multiple choice)
- A. group by: A->B
- B. join: B&F->G
- C. map: C->D
- D. union: D&E->F
Answer: A,B
NEW QUESTION 227
Which of the following functions can be achieved by Loader's Shell script? (Multiple choice)
- A. View job status
- B. Stop the job
- C. Data source query
- D. Start the job
Answer: A,B,C,D
NEW QUESTION 228
Which of the following description of the flink window is wrong? (Multiple choice)
- A. There is no overlap in time between sliding windows
- B. Rolling windows do not overlap in time
- C. There is overlap in time between sliding windows
- D. The rolling windows overlap in time
Answer: A,D
NEW QUESTION 229
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