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NO.31 Which workload is massively parallel In nature?

Map/Reduce

Streaming

SQL Queries

ETL

NO.32 When running a high memory workload, what should be your machine of choice?

BM.Standard.E2.64

BM.Standard.E3.128

BM.HPC2.36

BM.GPU3.8

NO.33 Oracle Cloud infrastructure (OCI) Block Volume Storage supportssharing a Block Volume among multiple compute Instances in read/write or read only shareable mode.
Which two file systems should be used to allow multiple compute Instances to read/write data concurrently without any data loss?

Distributed File Systemslike Gluster, OCFS2, GFS2

Linux File Systems like XFS, EXT4, EXT3, etc.

Network File System (NFS)

Parallel File Systems like Lustre, IBM Spectrum Scale(GPFS), BeeGFS, etc.

NO.34 When an instance pool scales in, what is the correct order that the instances are terminated?

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.

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.

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.

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.

NO.35 What HDFS replication factor can be used with Block Volumes to optimize cost?

NO.36 You are building a file system that needs to handle large files with a lot of nodes reading at the same time.
What minimum size of block volume maximizes throughput for large files?

800GB

1TB

32TB

500GB

NO.37 Which statement explains how instances are distributed in an instance pool?

The instances In a pool are distributed between availability domains only.

The instances in a pool are distributed evenly between two fault domains.

The instances in a pool are not distributed across fault domains.

The instances in a pool are distributed across all fault domains In a best-effortmanner based on capacity.

It is not possible to distribute instances across availability domains or fault domains.

NO.38 What minimum size of block volume with Balanced performance tier maximizes throughput for large files?

10TB

1TB

32TB

100GB

NO.39 What does the Terasort phase of the Terasort benchmark do?

Itmaps and reduces source data in a parallel manner, leveraging data locality to minimize network transfer.

It randomly maps source data and reduces output to a smaller data set,

It maps and reduces one terabyte of data into a smaller data set.

It randomly maps source data and increases output to a bigger data set.

NO.40 Which Is a common business problem for customers running Big Data workloads?

Costs associated to process a large scale data set

Cost associated with Disaster Recovery for large deployments

Ability to process a small data set at the minimum cost as possible

Ability to process a large data set at the maximum cost as possible

NO.41 Which two Oracle Cloud Infrastructure (OCI) storage options are supported for direct HDFS use in Hadoop?

FSS

DenselO NVMe

Block Volume

Object Storage

NO.42 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?

Open all protocols for your specific IP address.

Create a Stateless Egress rule for port 22-

Open TCP ports 5900 to 5910 for 0.0.0.0/0.

No other additional rules are needed. It is possible to connect as is.

NO.43 You are building a filesystem to maximize throughput of large files using high performance block volume and BM.Standard2.52 as file server.
Which block volume configuration should you choose to ensure aggregate Block volume throughput is higher than network bandwidth of a file server?

32 Block Volumes of 800GB

5Block Volume of 32 TB

6 Block Volumes of 32 TB

7 Block Volumes of 800GB

NO.44 A file system is built using BM.Standard2.52 Compute shape for File Servers. One 25 Gbps NIC/network card is used to connect to 10 Block Volumes of 1TB each (max. 4#0MB/s per volume). The other 25 Gbps NIC is used for sending/receiving data to/from client nodes.
File system client instances which mount the file system are provisioned using VM.Standard2.16 Compute shapes. (Network bandwidth: l6.4Gbps(2050 MB/s)) What is the max IO theoretical throughput a client node can get?

2050 MB/s

4800 MB/s

3125 MB/s

6250 MB/s

NO.45 Which is NOT an advantage associated with moving a Big Data workload to Oracle Cloud Infrastructure (OCI)?

managed service offerings tosupport common Big Data workloads

best price / performance for Big Data workloads In the Cloud

availability of Oracle Airflow

Object Storage as Data Lake

dynamically scale capacity against workload

NO.46 Which statement Is correct about deleting an Instance Pool?

Nothing will be deleted.

Instances and boot volumes will be deleted.

Associated Instances and attached boot volumes will be deleted; block volumes will be detached.

Instances and block volumes will be deleted.

Only the Instances will be deleted.

NO.47 What are the three components for configuring autoscallng on Oracle Cloud Infrastructure (OCI)?

Monitoring Is enabled on the instances in the instance pool.

The instance pool supports the maximum number of instances that you want to scale to.

You have an instance pool.

You have a load balancer.

You have Bare Metal instances.

NO.48 A customer has a very busy workload. The model is very large (1 PB range) and only some small files are updated for new jobs. Throughput needed during the run is roughly 25GB/s.
What Is a fast and cost-conscious way to handle the file system?

Put the data in object storage, and mount It using s3fs-fuse project.

Build a file-system using NVMe on Dense shapes. Then move the data to object storage when not needed.

Build a file system using Block volumes and Standard BMs, take advantage of the different block volume performances levels.

Use NVMe on HPC shapes to build a File Systemwith the RDMA connection.

NO.49 Which Statement Is NOT correct?

Oracle Data Science is augmented with AI VM for Data Science.

Oracle Data Science Is not excluded from Universal Credit.

Oracle Data Science can integrate with Oracle Function.

Oracle Data Science does not support per second billing.

NO.50 Which performance benchmark tool CANNOT be used to measure IO throughput for Linux based filesystems?

IOR

IO500

Vdbench

FIO

iPerf

NO.51 Acustomer is hesitating between running BM.Standard.E3.128 or HPC2.36 for his workload. Which statement would disqualify the AMD chip without any benchmark?

IO speed has a huge impact.

Total number of processes is between 48 and 128 cores and can useRDMA.

The workload requires about 4GB/core of memory.

The workload is embarrassingly parallel.

NO.52 What are two different types of Storage offerings available to build a filesystem on Oracle Cloud infrastructure (OCI)?

Block Volume Service

Local NVMe SSDs on DenselO and HPC compute shapes

File Storage

Object Storage

Oracle 1Z0-1089-21 Exam Syllabus Topics:

Topic	Details
Topic 1	Identify Advantages of running big data on OCI Deploy monitoring mechanisms that ensure cost and resource optimization based on business requirements
Topic 2	Explain how to deploy and use Data Science platform Differentiate the various big data solutions and data services on OCI
Topic 3	Use Guidance and best practice for deploying HPC products on OCI Design, Implement and Operate Scale-Out solutions on OCI
Topic 4	Design a solution infrastructure that meets defined success measurements Describe HPC Architecture Overview

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[Mar 25, 2022] Get New 1Z0-1089-21 Certification Practice Test Questions Exam Dumps [Q31-Q55]

Oracle 1Z0-1089-21 Exam Syllabus Topics: