Online Access Free 1Z1-928 Practice Test

When you create a cluster, how many permanent node must you have before you can have edge nodes?

• A.Three
• B.Five
• C.Four
• D.Two
• E.One

What is the function of a SHUFFLE phase in the MAPDEDUCE processing framework?

• A.This phase is used to reduce the values associated with the intermediate keys.
• B.This phase is to optimize resource utilization by moving mappers to the other nodes.
• C.This phase will move intermediate data from the mapper to the reducers.
• D.This phase provides fault tolerance by moving mappers from the failed nodes to running nodes.

ABC Company maintains two Hadoop clusters, one for test and one for production. One of the developers wants to copy a data file from the test to the production environment.
Which two are possible options to accomplish this?

• A.Use the hdfs dfs -cp command to copy the file from test to production.
• B.Back up the file to tape and reset it to the production cluster.
• C.Use an FTP command to copy files between the test and production environments.
• D.Use Flume to ingest the file again and deliver it to production.

What is the role of Kerberos in the Big Data Cloud Service?

• A.It ensures the identity of users and services communicating over the network.
• B.It allows for encryption of HDFS data at rest and Data in Motion.
• C.It provides support for fine-grained, role-based authorization over Hive metadata.
• D.It provides a secured Network Firewall to restrict Big Data Cloud Service access from external hosts.

Which component is NOT a process component of YARN?

• A.Node Manger
• B.Data Node
• C.Container
• D.Resource Manager