Free HCIP-Big Data Developer V2.0 Practice Questions

A.  

Give this user accountglobelread permission

B.  

Give this user accountNamespace1read and write permissions

C.  

Give this user accountTable1andTable2read and write permissions

D.  

Give wave user accountNamespace1andNamespace2read and write permissions,

A.  

X is more performant than Y

B.  

X is less performant than Y

C.  

X and Y are the same as performance

D.  

Uncertainty about the performance difference between X and Y

A.  

HIVE

B.  

HBASE

C.  

HDFS

D.  

DB

A.  

IbClient.setRequestWriter(new BinaryRequestWriter())

B.  

if(updateRequest.getDocumentsMap(O.size( )>= 10000)cloudSolClient.request

(updateRequest,collName);updateRequest.clear();}

C.  

if(updateRequest.getDocuments( ).size( )>= 1000){

cloudSolrClient.request(updateRequest,collName);updateRequest.clear();}

D.  

SolrInputDocument doc = new SolrInputDocument();doc.addField("id",i.toString

());doc.addField("name", "Zhang San"+ i);doc.addField("features","test"+ i);doc.addField

("price", (float)i*1.01);cloudSolrClient.add(doc);cloudSolrClient.commit();

A.  

Active and standbyNameNodeThe disk space where the metadata is located is insufficient.

B.  

The number of missing blocks exceeds the read value.

C.  

Lost copies exceed read value.

D.  

The corrupted copy exceeds the threshold.

A.  

filer(conditionExpr:String):DataFrameFilter data based on filter criteria

B.  

Join(right:DataFrame,joinExprs:Column):DataFrameaccording to the specified expressionjoin

C.  

intersect(other:DataFrame):DataFrameright2indivualdataframeTake the intersection

D.  

dropDuplicates():DataFramedata deduplication

A.  

True

B.  

False

A.  

mouthHBase

B.  

mouthHive

C.  

mouthSpark

D.  

mouthRedis

A.  

Attribute values with high access weight are placed inRowKeyFront

B.  

Attribute values with high access weight are placed inRowkeysecond half

C.  

Attribute values with good dispersion are placed inRowkeyfirst half

D.  

Attribute values with good dispersion are placed inRowkeysecond half

A.  

Supports distributed and streaming acquisition

B.  

with the help ofMapReducetask parallel collection

C.  

Only structured data can be collected

D.  

Trigger data collection with external timing tasks