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Huawei H13-711-ENU Exam Syllabus Topics:

Huawei HCIA-Big Data(Huawei Certified ICT Associate-Big Data) Sample Questions:

Question 1

Kafka is a distributed message publishing and subscription system. It only forwards messages and does not save messages.

A. True
B. False

Question 2

Synchronize data between partition replication in Kafka. Copying data from the leader of the partition to the follower requires a thread (replicationFetcherThread), and the follower (a follower is equivalent to a consumer) actively pulls messages from the leader in batches, which greatly improves the throughput.

A. True
B. False

Question 3

With the continuous increase of the volume of big data, the requirements for the physical security of data storage are getting higher and higher, and the requirements for multiple copies of data and disaster recovery mechanisms are also raised.

A. True
B. False

Question 4

Which of the following descriptions about Hive log collection on the Fusioninsight Manager interface is wrong?

A. You can specify an instance for log collection, such as specifying to collect metstore logs.
B. You can specify the node IP for log collection, for example, only download the logs of a certain IP.
C. You can specify a time period for log collection, for example, only collect logs from 2016-1-1 to 2016-1-10.
D. Specific users can be designated for log collection, for example, only the logs generated by UserA are downloaded.

Question 5

Which command in Redis is to view the remaining lifetime of the key?

A. ttl
B. expired
C. persist
D. expire

Solutions: