H13-711_V3.0-ENU by Huawei Actual Free Exam Q&As

Question 1

The secondary index provides HBase with the ability to index according to the value of some columns. The secondary index first searches the index table, and then locates the position in the data table, without full table scan

A. False B. True

Discussion 0

Correct Answer: B Vote an answer

Question 2

FlinkmiddleWatermarkmechanism useduntiedecidechaossequenceproblem.WatermarkCan it be produced in the following way?

A. Inherit assignerWithPeriodicWatermarks B. Inherit get Current Watermark C. inheritassiknerWithPunctuateca termmarks D. Inherit assigner Timestamp WithWatermark

Discussion 0

Correct Answer: A,D Vote an answer

Question 3

Which of the descriptions of the Loader job in FusionlnsightHD is correct?

A. After the Loadet job fails to execute, garbage data will be generated, which needs to be cleared manually by the user B. Loader submits a job to Yam for execution. No other jobs can be submitted until the job is executed. C. After the Loader submits the job to Yam for execution, if the Loader service is abnormal at this time, the job execution fails. D. After the Loader submits the job to Yam for execution, if a Mapper task fails to execute, it can automatically retry

Discussion 0

Correct Answer: D Vote an answer

Question 4

Which of the following options for providing multiple Redis1 optimizations is wrong?

A. Close Transparent Huge Pages B. Modify the minimum number of tcp connections in linux C. Condensed key names and key values D. Modify the linuxl kernel memory allocation strategy or execute sysctl

Discussion 0

Correct Answer: B Vote an answer

Question 5

Which of the following belongs to the shufle mechanism in the MapReduce process?

A. copy B. sort/merge C. ccombine D. partition

Discussion 0

Correct Answer: A,B Vote an answer

Question 6

A Fusioninsight HD cluster contains multiple services, and each service consists of several roles. Which of the following are the roles of the service?

A. DataNode B. HDFS C. NameNode D. HBase

Discussion 0

Correct Answer: A,C Vote an answer

Question 7

In a point-to-point messaging system, data in the queue can be consumed by one or more consumers, but a message can only be consumedoneSecond-rate.

A. False B. True

Discussion 0

Correct Answer: B Vote an answer

Question 8

Which description about HIVE is incorrect?

A. Hive is built on top of Hadoop based on static batch processing, Hadoop usually has high latency andC. A lot of overhead is required for committing and scheduling B. Hive can realize low-latency and fast query on large-scale data sets C. The Hive query operation process strictly follows the function execution model of Hadoop MapReduce. Hive converts the user's HiveQL statement into Map through the interpreter Reduce on Hadoop cluster D. The best use case for Hive is batch jobs with large datasets

Discussion 0

Correct Answer: B Vote an answer

Question 9

To enable the log aggregation function of the Yam component in the Hadoop platform, which parameter needs to be configured?

A. yarn.nodemanager.local-dirs B. yarn.log-aggregation-enable C. yarn.acl.enable D. yarn.nodemanager.log-dirs

Discussion 0

Correct Answer: B Vote an answer

Question 10

Regarding the task selection of the capacity scheduler, which of the following statements is correct?

A. Maximum queue level first B. The queue with the lowest resource utilization takes precedence C. Resource recycling request queue priority D. Minimum queue level first

Discussion 0

Correct Answer: B,C,D Vote an answer

Question 11

The following statements about the reliability of Fusioninsight network security are correct:

A. Avoid high load on the business plane from blocking the cluster management channel B. Prevent external attackers from infiltrating real business data through management channels C. Network plane isolation to avoid management and service bandwidth preemption and mutual interference D. Fusioninsight supports dividing the network into three levels: the cluster service plane, the cluster management plane, and the maintenance network outside the cluster, which are physically isolated from each other.

Discussion 0

Correct Answer: A,B,C,D Vote an answer

Question 12

Regarding the basic operation of Hive table building, the correct description is

A. Once the table is created, the table name cannot be changed. B. Once the table is built. No new columns can be added C. The external keyword needs to be specified when creating an external table D. Once the table is created, the column names cannot be changed

Discussion 0

Correct Answer: C Vote an answer

Question 13

When planning a FusionlnsightHD cluster, if the customer does not have performance requirements for functional testing and saves costs, the management node, control node, and data node can be deployed together. How many nodes are required at least?

A. 3 B. 4 C. 2 D. 5

Discussion 0

Correct Answer: A Vote an answer

Huawei HCIA-Big Data V3.0 - H13-711_V3.0-ENU Exam Practice Test