Latest Huawei H13-711_V3.0 PDF and Dumps (2022) Free Exam Questions Answers
Pass Your HCIA-Big Data H13-711_V3.0 Exam on Feb 19, 2022 with 500 Questions
NEW QUESTION 299
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 300
TaskSlot in Flink is mainly used for resource isolation, including memory resources and CPU resources.
- A. True
- B. False
Answer: B
NEW QUESTION 301
In the Fusionlnisght HD system, the number of partitions and the number of replicas must be set when creating a Kafka Topic. Setting multiple replicas can increase the disaster tolerance of Kafka services.
- A. True
- B. False
Answer: A
NEW QUESTION 302
In order to improve the fault tolerance of kafka, kafka supports partition replication strategy. What is wrong with the following description of Leader partition and Follower partition?
- A. Since the leader Server carries all the request pressure, from the overall consideration of the cluster, Kafka will distribute the leader on each instance in a balanced manner to ensure stable overall performance
- B. Kafka needs to select a leader for partition replication, and the leader is responsible for the read and write operations of the partition, and other replica nodes are only responsible for data synchronization
- C. If the leader fails, then another follower will take over (becoming the new leader)
- D. It is impossible for each node of a Kafka cluster to be the leader and flower of each other
Answer: D
NEW QUESTION 303
Which of the following functions can the Kafka Cluster Mirroring tool achieve?
- A. None of the above is correct
- B. Kafka single cluster data backup
- C. Kafka cross-cluster data synchronization solution
- D. Kafka but data recovery in the cluster
Answer: C
NEW QUESTION 304
When Fusioninsight Manager connects with external platforms, which interfaces does it support? (Multiple choice)
- A. VPN
- B. BGP
- C. SNMP
- D. Syslog
Answer: C,D
NEW QUESTION 305
In the Fusioninsight HD system, if dirty data is generated during the running of the Loader job, the status of the Loader job execution result must be failed.
- A. True
- B. False
Answer: B
NEW QUESTION 306
What is the meaning of this command "ALTER TABLEemployee1ADDcolumns (columnlstring);" in Hive?
- A. Delete table
- B. Create a table
- C. Modify the file format
- D. Add columns
Answer: D
NEW QUESTION 307
Which of the following descriptions of Zookeeper features are wrong?
- A. Message update can only succeed or fail, there is no intermediate state
- B. If a message is received by a server with more than radius, it will be able to successfully write to the disk
- C. The number of Zookeeper nodes must be an odd number
- D. The updating snapshot sent by the client will be applied in the order in which they were sent
Answer: C
NEW QUESTION 308
Spark's intermediate data is stored in memory, which is more efficient for iterative calculations and batch calculations, and has higher latency.
- A. True
- B. False
Answer: B
NEW QUESTION 309
Fusionlnsight HD cluster contains many kinds of services, and each service is composed of several roles. Which of the following are service roles? (Multiple choice)
- A. HDFS
- B. DataNode
- C. Hbase
- D. NameNode
Answer: B,D
NEW QUESTION 310
Which of the following extensions belong to ElasticSearch? (Multiple choice)
- A. head
- B. hadoop
- C. bigdesk
- D. IKAnalyzer
Answer: A,B,C,D
NEW QUESTION 311
Spark Streaming calculation is based on DStream, which decomposes streaming calculations into a series of short batch processing jobs.
- A. True
- B. False
Answer: A
NEW QUESTION 312
What is the default resource scheduler for queues in YARN?
- A. Fair scheduler
- B. FIFO scheduler
- C. Capacity scheduler
- D. None of the above is correct
Answer: C
NEW QUESTION 313
Which of the following are actual application scenarios of Kafka? (Multiple choice)
- A. Resource management
- B. Log collection
- C. Aggregate statistical system operating data
- D. Website activity tracking
Answer: B,C,D
NEW QUESTION 314
Which of the following is not a required option when creating a Loader job?
- A. Name
- B. Priority
- C. Connection
- D. Type
Answer: B
NEW QUESTION 315
In the Fusionlnsight cluster, which of the following components does Spark mainly interact with? (Multiple choice)
- A. YARN
- B. HDFS
- C. Hive
- D. Zookeeper
Answer: A,B,D
NEW QUESTION 316
Which of the following types of data is not semi-structured data?
- A. JSON
- B. XML
- C. HTML
- D. Two-dimensional table
Answer: D
NEW QUESTION 317
Which of the following statements about Kafka Partition are correct? (Multiple choice)
- A. The number of Partitions determines the maximum number of concurrent consumers in each consumer group
- B. Each Partition is an ordered and immutable message queue
- C. Each Partition corresponds to a log file at the storage level
- D. The Partition mechanism is introduced to ensure the high throughput of Kafka
Answer: A,B,C,D
NEW QUESTION 318
What are some typical filters included in HBase? (Multiple choice)
- A. Key Only Filter
- B. Single Column Value Filter
- C. Filter List
- D. Row Filter
Answer: A,B,C,D
NEW QUESTION 319
What physical resources does Redis consume mainly?
- A. Bandwidth
- B. Hard Disk Space
- C. Memory
- D. Disk 10
Answer: C
NEW QUESTION 320
In the era of big data, which of the following challenges companies face? (Multiple choice)
- A. Scattered data has problems such as noise, missing, irregular storage type, etc., which requires a lot of data preprocessing.
- B. The data structure is diversified.
- C. The data is scattered among various departments of the enterprise, and the same data is inconsistent in the internal storage format of each department.
- D. The technological advancement of competitors.
Answer: A,B,C,D
NEW QUESTION 321
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