[Feb 21, 2022] Huawei H13-711_V3.0-ENU Real Exam Questions and Answers FREE
Pass Huawei H13-711_V3.0-ENU Exam Info and Free Practice Test
NEW QUESTION 138
In the Mapreduce process, by default, a shard is a block and a mapTask.
- A. True
- B. False
Answer: A
NEW QUESTION 139
Which component controls the primary and secondary arbitration of the NameNode in HDFS?
- A. ResourceManager
- B. NodeManager
- C. ZooKeeper Failover Controller
- D. HDFS Client
Answer: C
NEW QUESTION 140
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 141
Spark divides the stages according to the dependencies of the RDD. The scheduler starts from the end of the DAG graph and traverses the entire dependency chain in reverse. It will disconnect when it encounters a narrow dependency, and add it to the current stage when it encounters a wide dependency.
- A. True
- B. False
Answer: B
NEW QUESTION 142
In the Fusionlnsight Hadoop cluster, the cluster scale has 70 nodes. If the recommended deployment plan is adopted, what partitions might exist on the management node? (Multiple choice)
- A. /srv/BigData
- B. /srv/BigData/zookeeper
- C. /srv/BigData/hadoop/data5
- D. /srv/BigData/dbdata-om
- E. /srv/BigData/jumalnode
Answer: A,B,D,E
NEW QUESTION 143
When installing the Streaming component of Fusioninsight HD, how many nodes does the Nimbus role require to installed?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION 144
In the Fusioninsight HD cluster three-tier network, the management node, control node, and data node are recommended to be installed in different network segments to improve reliability.
- A. True
- B. False
Answer: A
NEW QUESTION 145
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 146
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 147
Huawei Fusioninsight HD is the first domestic big data platform that complies with national financial and other garbage protection. Which of the following aspects is its security now?
- A. Data Security
- B. Authorization
- C. System Security
- D. All of the above are correct
Answer: D
NEW QUESTION 148
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 149
In Streaming, one accurate message reliability level is achieved through the ACK mechanism.
- A. True
- B. False
Answer: B
NEW QUESTION 150
Which of the following descriptions of the HBase storage model are correct? (Multiple choice)
- A. Even if there are multiple KeyValues with the same key value and the same Qualifier, there may be more than one. In this case, time stamping is used to distinguish
- B. KeyValue has key information such as timestamp and type
- C. Every KeyValue has a Qualifier logo
- D. The same key value key is associated with multiple values
Answer: A,B,C,D
NEW QUESTION 151
In Kafka, which of the following statement about the data sent by the Producer is wrong? (Multiple choice)
- A. As a message producer, Proucer can write data directly to Zookeeper
- B. Proucer connects to any normal Broker instance to generate data
- C. Proucer is responsible for producing data, Consumer is responsible for consuming data, and a connection needs to be established between Producer and Consumer.
- D. Proucer can not only send data to Broker, but also send data to Consumer
Answer: A,C,D
NEW QUESTION 152
The open source big data platform based on Hadoop mainly provides distributed computing and storage capabilities for data. Which of the following are distributed storage components? (Multiple choice)
- A. HDFS
- B. HBase
- C. Spark
- D. MR
Answer: A,B
NEW QUESTION 153
Which of the following key features are included in the Zookeeper? (Multiple choice)
- A. Reliability
- B. Atomicity
- C. Eventual consistency
- D. Waiting for irrelevance
Answer: A,B,C,D
NEW QUESTION 154
FLINK adopts the checkpoint mechanism to ensure fault tolerance in the running of applications.
- A. True
- B. False
Answer: A
NEW QUESTION 155
Regarding the Flink barrier, which of the following is incorrect?
- A. The barrier is periodically inserted into the data stream and flows with it as part of the data stream
- B. Barrier is the core of Flink snapshot
- C. A barrier separates the data of the snapshot of this cycle from the data of the next cycle of snapshots
- D. When the barrier is inserted, the data flow will be temporarily blocked
Answer: D
NEW QUESTION 156
What are the performance bottlenecks of traditional data processing? (Multiple choice)
- A. High data storage cost
- B. Missing batch data processing
- C. Limited scalability
- D. Insufficient streaming data processing performance
Answer: A,C
NEW QUESTION 157
Which of the following are used to configure the number of memory and CPU of the NodeManager? (Multiple choice)
- A. YARN.modemanager.resource.memory-mb
- B. YARN.nodemanager.resource.cpu-vcore
- C. YARN.nodemanager.vmem-pmom-ratio
- D. YARN.scheduler.capacity.root.QueueA.maximum-capacity
Answer: A,B,C
NEW QUESTION 158
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 159
Which parameters need to be configured to enable the log aggregation function of the Yam component in the Hadoop platform?
- A. yarn.nodemanager.log-dirs
- B. yarn.acl.enable
- C. yarn.nodemanager.local-dirs
- D. yarn.log-aggregation-enable
Answer: D
NEW QUESTION 160
Which of the following functions can be achieved by the Kafka Cluster Mirroring tool?
- A. Kafka cross-cluster data synchronization method
- B. Kafka single cluster data recovery
- C. None of the above is correct
- D. Kafka single cluster data backup
Answer: A
NEW QUESTION 161
When the scale of the Hadoop cluster is large, the distribution of data will be very critical. Users need to decide whether the cluster is to be expanded and whether the data needs to be balanced according to the data distribution. Which of the following statements about Fusioninsight resource distribution monitoring are correct? (Multiple choice)
- A. Through the DashBoard interface, you can view the distribution of host resources. For example, a list of hosts with a memory occupancy rate of 50-75%, and link redirection is provided
- B. Can help users quickly gather on the most critical resource consumption
- C. Help users quickly find the node with the highest resource consumption and adopt appropriate measures
- D. Through the resource distribution viewing interface of each service homepage, you can view the distribution of key resources
Answer: A,B,C,D
NEW QUESTION 162
In the Huawei big data solution, which of the following components are included in the hadoop layer? (Multiple choice)
- A. Flink
- B. Miner
- C. Hive
- D. Spark
Answer: A,C,D
NEW QUESTION 163
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