Weekend Sale - Limited Time 70% Discount Offer - Ends in 0d 00h 00m 00s - Coupon code: sntaclus

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

A.

inheritassiknerWithPunctuateca termmarks

B.

Inherit assigner Timestamp WithWatermark

C.

Inherit get Current Watermark

D.

Inherit assignerWithPeriodicWatermarks

Which of the following scenarios are not good at F1ink components?

A.

to foldGeneration computing

B.

stream processing

C.

datastorage

D.

batch processing

About RDDs. Which of the following statements is false?

A.

RDD is a read-only, partitionable distributed dataset

B.

RDD is Spark's abstraction of underlying data

C.

RDDs have a lineage mechanism (Lineed)

D.

RDDs are stored on disk by default

Each stagel of a Spark task can be divided into jobs, and the division mark is shuffle.

A.

True

B.

False

Hive is a data warehouse infrastructure built on Hadoop. It provides a set of tools that can be used to perform extract-transform-load (ETL), a mechanism for storing, querying, and analyzing large-scale data stored in Hadoop.

A.

True

B.

False

The following figure shows the storage locations of files A, B, C, and D. A and B are related, and their storage locations conform to the Colocation strategy.

A.

True

B.

False

HUAWEI CLOUD MapReducel service provides a one-stop enterprise-level big data cluster cloud service that is fully controllable by tenants. It is fully compatible with open source interfaces, and combines HUAWEI cloud computing, storage advantages and big data industry experience to provide customers with high performance and low cost.

This flexible and easy-to-use full-stack big data platform can easily run Hadoop, Spark.HBase, Kafka, Storm and other big data components, realize real-time and offline analysis and mining, and discover new business opportunities for enterprises.

A.

True

B.

False

Sparki - like Hadoop - is not suitable for iterative computing.

A.

True

B.

False

Spark Streaming has higher real-time performance than Storm.

A.

True

B.

False

"Group by" in Hive refers to dividing a data set into several small data sets through certain rules. Then perform data group processing for several small data sets.

A.

True

B.

False

In the MRS service, the unavailability of the Zookeeper service will result in the unavailability of the kafka service.

A.

True

B.

False

HBase quickly determines that user data does not exist. (fill in the blank)

a big data? ?Real-time users in processing statistics?data, the following?No?within a minute?data is grouped?What is the function of

A.

owea? ?

B.

? ? ?

C.

Tw? ?

D.

fre? ? ?

Which of the following processing methods is unreasonable when the window has been closed and the calculation result has been produced when the delayed event occurs?

A.

Collect delayed events for additional processing

B.

Delayed events - must not ignore calculations

C.

Treat delayed events as error messages and discard

D.

Reactivate closed windows and recalculate to correct results

Indataduring stream processing. eachthingpieceTimeWhich of the following three can be divided into?

A.

Processing time,eventquiltsystem processing time

B.

eventime,the time when the event occurred

C.

ingestion time, the time the event arrives at the stream processing system

D.

delay time,Right nowthingincident to processingextendlate time