[Jan 20, 2022] Free HCIA-Big Data H13-711_V3.0 Exam Question
H13-711_V3.0 dumps & HCIA-Big Data sure practice dumps
NEW QUESTION 223
What services can Huawei MRS provide to customers? (Multiple choice)
- A. Offline and real-time data processing
- B. Statistical analysis and data mining
- C. Multi-node deployment
- D. Security control based on Kerberos certificate
Answer: A,B,C,D
NEW QUESTION 224
When a Region in HBase performs a Split operation, at what stage does the process of separating an HFile file into two regions occur?
- A. HFile separation process
- B. Flush process
- C. Split process
- D. Compaction process
Answer: D
NEW QUESTION 225
In the Fusioninsight HD system, if a Loader node in the cluster is abnormal and other services are not abnormal, the normal use of Loader service functions will not be affected.
- A. True
- B. False
Answer: A
NEW QUESTION 226
MOB data in HBase is directly stored in HFile format on HDFS, and then the address information and size information of this file are stored as value on the store that manages HBase, and these files are managed centrally through tools. This can greatly reduce HBase's compression and split frequency and improve performance.
- A. True
- B. False
Answer: A
NEW QUESTION 227
Which of the following sub-products does the Fusioninsight family include? (Multiple choice)
- A. GaussDB 200
- B. Fusioninsight HD
- C. Fusioninsight Miner
- D. Fusioninsight Farmer
Answer: A,B,C,D
NEW QUESTION 228
Data is synchronized between partition replication in Kafka. It takes a thread (replicationFetcherThread) to replicate data from the leader of the partition to the follower. Follower (a follower is equivalent to a consumer) actively pulls messages from the leader in batches, which greatly improves throughput.
- A. True
- B. False
Answer: A
NEW QUESTION 229
What are the main features of YARN capacity scheduler? (Multiple choice)
- A. Dynamically update configuration files
- B. Flexibility
- C. Multiple leases
- D. Capacity guarantee
Answer: A,B,C,D
NEW QUESTION 230
The following figure shows the configuration of HDFS tiered storage. If the number of copies of the block is 4, which of the following statement is wrong?
- A. If the first copy of the block fails to write to RAM_DISK, try to write to the storage type specified by the "alternative storage strategy"
- B. The first copy of the block will be written into RAM_DISK, and the remaining copies will be written into DISK
- C. All 4 blocks will be written to RAM_DISK
- D. If it is the other copy fails to read except the first copy, try to write to the storage type specified in "Alternative Storage Policy for Copy"
Answer: C
NEW QUESTION 231
Which of the following functions can be achieved by the kafka-cluster mirroring tool?
- A. Kafka cluster data synchronization solution
- B. Kafka single cluster data backup
- C. None of the above is correct
- D. Kafka single cluster data recovery
Answer: A
NEW QUESTION 232
The Group of LdapServer is a unified group management for users. If a user is added to the group, the dn record of the member will be added to the member attribute of the group.
- A. True
- B. False
Answer: A
NEW QUESTION 233
In Fusionlnsight HD, which of the following components do Flink mainly interact with? (Multiple choice)
- A. zookeeper
- B. Yarn
- C. HDFS
- D. Kafka
Answer: A,B,C,D
NEW QUESTION 234
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 235
Channel supports transactions, provides weaker sequence guarantees, and can connect any number of Sources and Sinks.
- A. True
- B. False
Answer: A
NEW QUESTION 236
Assuming that HDFS only saves 2 copies when writing data. During the writing process, the HDFS Client first writes the data to DataNodel1 and then writes the data to DataNode2.
- A. False
- B. True
Answer: A
NEW QUESTION 237
Spark on YARN-client is suitable for production environments because you can see the output of the APP faster.
- A. False
- B. True
Answer: A
NEW QUESTION 238
What does Fusioninsight HD HBase use by default as its underlying file storage system?
- A. MapReduce
- B. Memory
- C. HDFS
- D. Hadoop
Answer: C
NEW QUESTION 239
In the MapReduce process, which of the following are shuffle mechanisms? (Multiple choice)
- A. partition
- B. combine
- C. copy
- D. sort/merge
Answer: C,D
NEW QUESTION 240
In Huawei Fusioninsight, HBase's table design tool, connection pool management, and enhanced SDK can simplify the business development of complex data tables.
- A. True
- B. False
Answer: A
NEW QUESTION 241
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