Online Access Free 1Z0-1089-21 Practice Test

What does the Terasort phase of the Terasort benchmark do?

• A.It maps and reduces one terabyte of data into a smaller data set.
• B.It randomly maps source data and reduces output to a smaller data set,
• C.It randomly maps source data and increases output to a bigger data set.
• D.Itmaps and reduces source data in a parallel manner, leveraging data locality to minimize network transfer.

A Linux visualization instance Is in a public subnet with security list 0.0-0.0/0 for TCP port 22. What other rule do you absolutely need to be able to connectremotely?

• A.Create a Stateless Egress rule for port 22-
• B.Open all protocols for your specific IP address.
• C.Open TCP ports 5900 to 5910 for 0.0.0.0/0.
• D.No other additional rules are needed. It is possible to connect as is.

What HDFS replication factor can be used with Block Volumes to optimize cost?

• A.1
• B.4
• C.2
• D.3

When an instance pool scales in, what is the correct order that the instances are terminated?

• A.The number of instances is balanced across availability domains, the oldest instance within the fault domain is terminated, the number of instances Is balanced across fault domains.
• B.The number of instances is balanced across availability domains, the number of instances is balanced across fault domains, the oldest instance within the fault domain is terminated.
• C.The oldest instance within the fault domain is terminated, the number of instances is balanced across availability domains, the number of instances is balanced across fault domains.
• D.The number of instances is balanced across fault domains, the number of instances is balanced acrossfault domains, the oldest instance within the fault domain is terminated.

Which two Oracle Cloud Infrastructure (OCI) storage options are supported for direct HDFS use in Hadoop?

• A.DenselO NVMe
• B.FSS
• C.Block Volume
• D.Object Storage