Updated Jan-2022 Pass H13-711_V3.0-ENU Exam - Real Practice Test Questions
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NEW QUESTION 37
In the MRS service, the unavailability of the Zookeeper service will lead to the unavailability of the kafka service.
- A. True
- B. False
Answer: A
NEW QUESTION 38
Which of the following scenarios in HBase will trigger the Flush operation? (Multiple choice)
- A. The total size of MemStore in the Region has reached the preset Flush Size threshold
- B. The ratio of the total memory occupied by MemStore to the total memory of RegionServer exceeds the preset threshold size
- C. HBase refreshes Memstore regularly, the default period is 1 hour
- D. When the number of files in WALs reaches the threshold
Answer: A,B,C,D
NEW QUESTION 39
Kafka is a distributed message publishing and subscribing system. It only forwards messages and does not save messages.
- A. True
- B. False
Answer: B
NEW QUESTION 40
What is the module used to manage the active and standby status of Loader Server processes in Loader?
- A. Job Scheduler
- B. HA Manager
- C. Job Manager
- D. Resource Manager
Answer: B
NEW QUESTION 41
In YRAN's tag-based scheduling, which of the following options is tagged?
- A. ResourceManager
- B. NodeManager
- C. APPMaster
- D. Container
Answer: B
NEW QUESTION 42
What is the physical storage unit of Region in HBase?
- A. Region
- B. ColumnFamily
- C. Column
- D. Row
Answer: B
NEW QUESTION 43
During the deployment of FusioninsightHD , the CheckNode. Config configuration file must be called when performing precheck to check each node.
- A. True
- B. False
Answer: A
NEW QUESTION 44
The Fusionlnsight HD management node provides a dual-machine HA mechanism. After the primary node fails, the primary and standby nodes need to manually implement Failover.
- A. True
- B. False
Answer: B
NEW QUESTION 45
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. Split process
- B. Compaction process
- C. Flush process
- D. HFile separation process
Answer: B
NEW QUESTION 46
Where is the Meta Region routing information of HBase metadata stored in?
- A. HMaster
- B. Zookeeper
- C. Meta table
- D. Root table
Answer: B
NEW QUESTION 47
When using HBase for data reading services in Fusioninsight HD, you need to connect to HMaster.
- A. True
- B. False
Answer: B
NEW QUESTION 48
Assuming that the minimum resource guarantee for each user is set to YARN.scheduler.capacity.root.QueueA. minimum-User-limit-percent=25, which of the following is wrong?
- A. When the second user submits the task, each user gets up to 50% of the resources
- B. When the fifth user submits the task, each user gets a maximum of 20% of the resources
- C. When the fourth user submits the task, each user gets up to 25% of the resources
- D. When the third user submits the task, each user gets 33.33% of resources at most
Answer: B
NEW QUESTION 49
One of the goals of the data center technology architecture is to be able to solve the disadvantages of traditional data warehouses that tend to become data islands and big data platforms that tend to become data swamps.
- A. True
- B. False
Answer: A
NEW QUESTION 50
Which of the following scenarios are not what Flink components good at?
- A. Batch processing
- B. Stream processing
- C. Iterative computations
- D. Data storage
Answer: D
NEW QUESTION 51
What types of operations are included in "SELECT aa.salary, bb.address FROM employee aa JoiN SELECT adress FROM employee info where provine= 'zhejiang') bb ON aa.nanme=bb.name? (Multiple choice)
- A. JOIN query
- B. Create a table
- C. Subqueries
- D. Import data
Answer: A,C
NEW QUESTION 52
ElasticSearch is strongly dependent on Zookeeper.
- A. True
- B. False
Answer: A
NEW QUESTION 53
Hive does not check whether the data conforms to the schema when it is loaded. Hive follows the schema on read (read mode). Hive only checks and parses specific data fields and schemas when it is read.
- A. True
- B. False
Answer: A
NEW QUESTION 54
SoIrCloud mode is a cluster mode. In this mode, the Solr server strongly depends on which of the following services?
- A. HDFS
- B. HBase
- C. ZooKeeper
- D. YARN
Answer: C
NEW QUESTION 55
Which of the following HBase components is correct? (Multiple choice)
- A. Column-oriented
- B. The stored data is in the form of K-V
- C. Type of NoSQL data
- D. Distributed
Answer: A,B,C,D
NEW QUESTION 56
Flink is suitable for applications with high concurrency processing data and millisecond delay.
- A. True
- B. False
Answer: A
NEW QUESTION 57
Which of the following options belong to the advantages of HUAWEI CLOUD MRS? (Multiple choice)
- A. Scalability
- B. High reliability
- C. Ease of use
- D. High performance
Answer: A,B,C,D
NEW QUESTION 58
Which of the following is incorrect about the BloomFilter feature of HBase?
- A. Used to filter data
- B. Used to optimize the performance of random reads
- C. Will increase storage consumption
- D. It can be accurately judged that a piece of data does not exist
Answer: A
NEW QUESTION 59
Loader job execution fails, the imported data will not be deleted automatically, and must be deleted manually.
- A. True
- B. False
Answer: B
NEW QUESTION 60
In the YARN service, if you want to set the capacity of the queue QuqueA to 30%, which parameter should be configured?
- A. YARN.scheduler.capacity.root.QueueA.capacity
- B. YARN.scheduler.capacity.root.QueueA.state
- C. YARN.scheduler.capacity.root.QueueA.minimum-user-limit-percent
- D. YARN.scheduler.capacity.root.QueueA.user-limit-factor
Answer: A
NEW QUESTION 61
Each stage of a Spark task can be divided into job, and the division mark is shuffle.
- A. True
- B. False
Answer: B
NEW QUESTION 62
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