Download HCIA-Big Data V2.0.H13-711.CertDumps.2020-06-07.108q.vcex

Vendor: Huawei
Exam Code: H13-711
Exam Name: HCIA-Big Data V2.0
Date: Jun 07, 2020
File Size: 71 KB
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Demo Questions

Question 1
Which resources can be managed by YARN in Hadoop? 
  1. Memory
  2. CPU
  3. Network
  4. Disk space
Correct answer: AB
Question 2
Which one is not a feature of MapReduce in Hadoop? 
  1. Easy to program
  2. Outstanding scalability
  3. Real-time computing
  4. High fault tolerance
Correct answer: C
Question 3
Which of the following computing tasks is MapReduce good at dealing with?
  1. Iterative computing
  2. Offline computing
  3. Real-time interactive computing
  4. Stream computing
Correct answer: B
Question 4
YARN manages cluster resources based on Resource Manager. Which of the following are main functions of YARN? 
  1. Cluster resource scheduling
  2. Application program management
  3. Log management -- node manager
  4. None of the above
Correct answer: AB
Question 5
Which is the encapsulation of the YARN resources in Hadoop? 
  1. Memory
  2. CPU
  3. Container
  4. Disk space
Correct answer: C
Question 6
Which of the following is the correct sequence of the resource allocation initiated by the YARN scheduler? 
  1. Any host > Same rack > Local resources
  2. Any host > Local resources > Same rack
  3. Local resources > Same rack > Any host
  4. Same rack > Any host > Local resources
Correct answer: C
Question 7
Which are the main features of the YARN scheduler? 
  1. Capacity assurance
  2. Flexibility
  3. Multi-leasing
  4. Dynamic update of configuration files -- FusionInsight Manager
Correct answer: ABCD
Question 8
Which parameter should you configure to set the capacity of QueueA in YARN to 30%? 
  1. yarn.scheduler.capacity.root.QueueA.user-limit-factor
  2. yarn.scheduler.capacity.root.QueueA.minimum-user-limit-percent
  3. yarn.scheduler.capacity.root.QueueA.capacity
  4. yarn.scheduler.capacity.root.QueueA.state
Correct answer: C
Question 9
Which statement is incorrect if you set yarn.scheduler.capacity.root.QueueA.minimum-user-limit-percent to 50 in YARN? 
  1. When a user submits a task, the user can use 100% of QueueA resources.
  2. Each user of QueueA can obtain a maximum of 50% of QueueA resources.
  3. If tasks of two users of QueueA are running, tasks of the third user can be executed only after the resources are released.
  4. Each user of QueueA obtains 50% of resources at least.
Correct answer: B
Question 10
Which of the following statements is correct about the HDFS DataNode in FusionInsight HD? 
  1. Data validity is not checked.
  2. The DataNode periodically sends its block information to the NameNode.
  3. Blocks stored on different DataNodes must be different.
  4. Blocks on a DataNode can be the same.
Correct answer: B
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