1Z0-1089-20 Certification Overview - [Feb 02, 2022] Latest 1Z0-1089-20 PDF Dumps

The Best Oracle 1Z0-1089-20 Study Guides and Dumps of 2022

NEW QUESTION 13
A customer has decided to use Oracle Cloud Infrastructure (OCI) for their Disaster Recovery (DR) site for an on-premises Hadoop cluster. They have an RPO of 4 hours, and an RTO of 1 hour.
Which two options should they consider on OCI to meet their DR requirements?

• A. Replicate data to OCI Object Storage in near-realtime.
• B. Replicate data to OCI Object Storage every hour.
• C. Replicate data to a Hadoop cluster running on OCI in near-realtime.
• D. Use Terraform to rapidly provision Hadoop Cluster on OCI.

Answer: D

 

NEW QUESTION 14
Which Is a common business problem for customers running Big Data workloads?

• A. Ability to process a small data set at the minimum cost as possible
• B. Costs associated to process a large scale data set
• C. Ability to process a large data set at the maximum cost as possible
• D. Cost associated with Disaster Recovery for large deployments

Answer: B

 

NEW QUESTION 15
Which performance benchmark tool CANNOT be used to measure IO throughput for Linux based filesystems?

• A. IO500
• B. iPerf
• C. IOR
• D. Vdbench
• E. FIO

Answer: C

 

NEW QUESTION 16
A customer ran a Job on 2 BM.HPC2.36, and the job took 4 hours using 32 cores of each node. They later ran on 4 nodes and the Job took 3 hours. What Is the efficiency gained?

• A. 50%
• B. 100%
• C. 66%
• D. 75%

Answer: A

 

NEW QUESTION 17
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?

• A. 5 Block Volume of 32 TB
• B. 7 Block Volumes of 800GB
• C. 32 Block Volumes of 800GB
• D. 6 Block Volumes of 32 TB

Answer: B

 

NEW QUESTION 18
You are comparing different processors for Monte-Carlo simula-tion with millions of single core executions. What frequency will have the highest impact on the "time to solution" ?

• A. All Core Turbo Frequency
• B. Turbo Frequency
• C. Base Frequency
• D. Only the network throughput will influence Monte Carlo simula-tions.

Answer: B

 

NEW QUESTION 19
You are building a file system of 10TB Storage Capacity with only one file server using "Balanced Elastic Performance tier" Oracle Cloud Infrastructure (OCI) Block Volume Storage. Balanced Elastic Performance tier throughtput scales at 480 KBPS/GB up to a maximum of 480 MBPS per volume.
Which two options are correct about how many Block Volumes you can attach to the file server to get maximum IO throughput?

• A. 8 Block Volumes of 1.25TB size
• B. One Block Volume of 10TB size
• C. 10 Block Volumes of 1TB size
• D. 20 Block Volumes of 500GB size

Answer: B

 

NEW QUESTION 20
What HDFS replication factor can be used with Block Volumes to optimize cost?

• A. 0
• B. 1
• C. 2
• D. 3

Answer: C

 

NEW QUESTION 21
Which three Hadoop distributions are supported on Oracle Cloud Infrastructure (OCI)?

• A. Hortonworks
• B. MapR
• C. Pivotal EMC
• D. Cloudera
• E. Apache Hadoop

Answer: A,D,E

 

NEW QUESTION 22
For customers who want to copy HDFS data from their on-premise Hadoop cluster to Oracle Cloud Infrastructure (OCI), which three are Oracle supported methods?

• A. GoldenGate
• B. Object Storage
• C. Fast Connect
• D. Distcp
• E. Data Transfer Appliance

Answer: D

 

NEW QUESTION 23
A two node clustered/parallel filesystem built using Baremetal Compute shape (BM.Standard2.52) and Block Volume Storage delivers maximum sustained aggregate IO throughput of 5GB/s for read and write, while storing a single copy of the data (replica=l) in filesystem.
What will be the maximum sustained aggregate IO throughput for read and write, when two copies of the data (replica=2) are stored in filesystem for High Availability?

• A. 5GB/s for both (read and write)
• B. 2.5GB/s for read and 5GB/s for write
• C. 2.5GB/S for write and 5GB/s for read
• D. 2.5GB/s for both (read and write)

Answer: D

 

NEW QUESTION 24
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 number of instances is balanced across fault domains, the oldest instance within the fault domain is terminated.
• B. 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.
• C. The number of instances is balanced across fault domains, the number of instances is balanced across fault domains, the oldest instance within the fault domain is terminated.
• D. 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.

Answer: A

 

NEW QUESTION 25
What minimum size of block volume with Balanced performance tier maximizes throughput for large files?

• A. 100GB
• B. 32TB
• C. 10TB
• D. 1TB

Answer: B

 

NEW QUESTION 26
Which two Oracle Cloud Infrastructure (OCI) storage options are supported for direct HDFS use in Hadoop?

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

Answer: C,D

 

NEW QUESTION 27
Which two Oracle Cloud Infrastructure (OCI) shapes are a good choice for Spark based workloads?

• A. BM Standard
• B. GPU
• C. HPC
• D. VM Standard

Answer: A,C

 

NEW QUESTION 28
Which Message Passing Interface (MPI) distribution is NOT available today?

• A. Open MPI
• B. OCI MPI
• C. Intel MPI
• D. Platform MPI

Answer: C

 

NEW QUESTION 29
What are the three components for configuring autoscallng on Oracle Cloud Infrastructure (OCI)?

• A. You have a load balancer.
• B. Monitoring Is enabled on the instances in the instance pool.
• C. You have an instance pool.
• D. The instance pool supports the maximum number of instances that you want to scale to.
• E. You have Bare Metal instances.

Answer: A,B,E

 

NEW QUESTION 30
Which statement Is correct about deleting an Instance Pool?

• A. Nothing will be deleted.
• B. Instances and block volumes will be deleted.
• C. Instances and boot volumes will be deleted.
• D. Associated Instances and attached boot volumes will be deleted; block volumes will be detached.
• E. Only the Instances will be deleted.

Answer: D

 

NEW QUESTION 31
Which is NOT an advantage associated with moving a Big Data workload to Oracle Cloud Infrastructure (OCI)?

• A. availability of Oracle Airflow
• B. Object Storage as Data Lake
• C. dynamically scale capacity against workload
• D. managed service offerings to support common Big Data workloads
• E. best price / performance for Big Data workloads In the Cloud

Answer: D

 

NEW QUESTION 32
A file system is built using two BM.Standard2.52 Compute shapes for File servers. On each file server, one 25 Gbps (3125 MB/s) NIC/network card is used to connect to 10 Block Volumes of 1TB each (max. 480MB/s per volume) and 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 aggregate IO throughput (theoretical) of the file system?

• A. 6250 MB/s
• B. 4800 MB/s
• C. 3125 MB/s
• D. 9600 MB/s

Answer: D

 

NEW QUESTION 33
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?

• A. 800GB
• B. 32TB
• C. 1TB
• D. 500GB

Answer: A

 

NEW QUESTION 34
You are running a cluster using multiple BM.Standard2.52 machines. The model is on a NFS share running on block volume- You've tried doubling the number of machines but It's not running any faster.
Which two actions could potentially speed up this tightly coupled workload?

• A. Use Cluster Networking.
• B. Switch to FSS for your file system.
• C. Use BM.HPC2.36.
• D. Switch to ESS mode.

Answer: D

 

NEW QUESTION 35
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Oracle 1Z0-1089-20 Exam Syllabus Topics:

Topic	Details
Topic 1	Explain how to deploy and use Data Flow platform Identify proper HPC workload
Topic 2	Identify Advantages of running big data on OCI Align with business and technical requirement for scale-out workloads
Topic 3	Use Guidance and best practices for deploying big data products on OCI Describe HPC Architecture Overview
Topic 4	Differentiate the various big data solutions and data services on OCI Explain How to deploy and use GPU instances for AI ML workloads
Topic 5	Design, Deploy and Operate High Speed Shared File Systems Use Guidance and best practice for deploying HPC products on OCI
Topic 6	Deploy a dynamically scalable, highly available and resilient compute solution based on technical requirements
Topic 7	Design a solution infrastructure that meets defined success measurements
Topic 8	Deploy monitoring mechanisms that ensure cost and resource optimization based on business requirements

 

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