Hadoop Mock Test 8 - Sanfoundry

10%

Question 1 of 10

1. A __________ server and a data node should be run on one physical node.

client

all of the mentioned

groom

web

Question 1 of 10

Question 2 of 10

2. __________ is the default mode if you download Hama.

Pseudo Distributed Mode

Local Mode

Distributed Mode

All of the mentioned

Question 2 of 10

Question 3 of 10

3. Drill analyze semi-structured/nested data coming from _________ applications.

None of the mentioned

RDBMS

NoSQL

NewSQL

Question 3 of 10

Question 4 of 10

4. A key of type ___________ is generated which is used later to join ngrams with their heads and tails in the reducer phase.

GramKey

None of the mentioned

Secondary

Primary

Question 4 of 10

Question 5 of 10

5. ____________ is used with Pig scripts to write data to HCatalog-managed tables.

HamaStorer

HCatStorer

All of the mentioned

HCatStam

Question 5 of 10

Question 6 of 10

6. Point out the correct statement.

All of the mentioned

Apache HCatalog provides table data access for CDH components such as Pig and MapReduce

HCat provides connectors for MapReduce

HCat makes Hive metadata available to users of other Hadoop tools like Pig, MapReduce and Hive

Question 6 of 10

Question 7 of 10

7. ____________ Collection API allows for even distribution of custom replica properties.

None of the mentioned

BALANUNIQUE

BALANCESHARDUNIQUE

BALANCEUNIQUE

Question 7 of 10

Question 8 of 10

8. __________ represent the logical computations of your Crunch pipelines.

DoFns

ThreeFns

None of the mentioned

DoFn

Question 8 of 10

Question 9 of 10

9. Point out the wrong statement.

None of the mentioned

Restrictions apply to the types of columns HCatLoader can read from HCatalog-managed tables

If the table is partitioned, you can indicate which partitions to scan by immediately following the load statement with a partition filter statement

The Hive metastore lets you create tables without specifying a database

Question 9 of 10

Question 10 of 10

10. _________________ property allow users to override the expiry time specified.

hcatalog.hive.client.cache.disabled

hcat.append.limit

hcatalog.hive.client.cache.expiry.time

hcat.desired.partition.num.splits

Question 10 of 10