Huawei H13-711_V3.0-ENU HCIA-Big Data V3.0 Online Training
Huawei H13-711_V3.0-ENU Online Training
The questions for H13-711_V3.0-ENU were last updated at Nov 22,2024.
- Exam Code: H13-711_V3.0-ENU
- Exam Name: HCIA-Big Data V3.0
- Certification Provider: Huawei
- Latest update: Nov 22,2024
Which of the following descriptions about the characteristics of big data and traditional database data is wrong?
- A . Big data is the data processing of "fish in the pond", with a clear goal; the data processing of traditional databases is to judge whether other kinds of "fish" exist through certain "fish"
- B . There are many types of data processed by big data, including structured, unstructured and semi-structured data; the types of data in traditional databases are relatively single, often structured data
- C . In big data, there is no unified data tool, that is, "No size fits all"; in traditional databases, in a specific business scenario, often one tool can solve a problem, that is, "One size fits all" all"
- D . The data scale of big data is very large, and TB and PB are generally used as data processing units; the data scale in traditional databases is generally small, and MB is often used as data processing units
Which of the following statements about ZKFC is wrong?
- A . ZKFC (ZKFailoverController) is used as a client of Zookeeper cluster to monitor the status information of NameNode
- B . The ZKFC process needs to be deployed in the NameNode node and Zookeeper’s Leader node
- C . The Standby NameNode perceives the status of the Active NameNode through Zookeeper. Once the Active NameNode goes down, the Standby NameNode will perform the master promotion operation
- D . The ZKFC of HDFS NameNode connects to Zookeeper, and saves information such as the host name in Zookeeper
Flume supports monitoring and transferring new files in the directory, which can realize data transfer. Which type of source is described above?
- A . spooling directory source
- B . http source
- C . exec source
- D . syslog source
How is the HBaseM main Master elected?
- A . Randomly selected
- B . Adjudicated by RegionServer
- C . Judgment via Zookeeper
- D . HMaster is in dual-master mode and does not need to be adjudicated
A user needs to build a 350-node FusionInsight HD cluster, which planning scheme is the best?
- A . Deployment of management nodes, control nodes, and data nodes in one, Layer 2 networking
- B . Integrated deployment of management nodes and control nodes, independent deployment of data nodes, and Layer 2 networking
- C . Management nodes, control nodes, and data nodes are deployed independently, three-tier networking
- D . Integrated deployment of management nodes and data nodes, independent deployment of control nodes, and Layer 2 networking
When the number of nodes in the Zookeeper cluster is 5 nodes, how many nodes are equivalent to the disaster recovery capability of the cluster?
- A . 3
- B . 4
- C . 6
- D . None of the above
When viewing the partition details of a topic in Kafka, which of the following commands should be used?
- A . bin/kafka-topic.sh -create
- B . bin/kafka-topic.sh -list
- C . bin/kafka-topic.sh -describe
- D . bin/kafka-topic.sh -delete
The following provides a variety of Redis optimization methods, which option is wrong?
- A . Simplified key names and key values
- B . Turn off Transparent Huge Pages
- C . Modify the minimum number of tcp connections in Linux
- D . Modify the Linux kernel memory allocation strategy or execute sysctl
How many copies of HDFS blocks are saved by default in the Fusionlnsight HD system?
- A . 3 _
- B . 2
- C . 1
- D . not sure
Which component controls the active/standby arbitration in HDFS?
- A . Zookeeper Failover Controller
- B . Node Manager
- C . Resource Manager
- D . HDFS Client