Oracle 1Z0-1089-20 Exam Dumps [2022] Practice Valid Exam Dumps Question [Q32-Q54]

Oracle 1Z0-1089-20 Exam Dumps [2022] Practice Valid Exam Dumps Question

1Z0-1089-20 Dumps - Grab Out For [NEW-2022] Oracle Exam

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	Design a solution infrastructure that meets defined success measurements
Topic 3	Deploy monitoring mechanisms that ensure cost and resource optimization based on business requirements
Topic 4	Explain how to deploy and use Data Science platform Implement and Operate Scale-Out solutions on OCI
Topic 5	Design, Deploy and Operate High Speed Shared File Systems Use Guidance and best practice for deploying HPC products on OCI
Topic 6	Differentiate the various big data solutions and data services on OCI Explain How to deploy and use GPU instances for AI/ML workloads
Topic 7	Identify Advantages of running big data on OCI Align with business and technical requirement for scale-out workloads
Topic 8	Use Guidance and best practices for deploying big data products on OCI Describe HPC Architecture Overview
Topic 10	Deploy a dynamically scalable, highly available and resilient compute solution based on technical requirements

 

NEW QUESTION 32
Which two options are valid when configuring health check policies in Oracle Cloud Infrastructure (OCI) Load Balancing?

• A. TCP level health checks
• B. UDP level health checks
• C. FTP level health checks
• D. HTTP level health checks

Answer: A,D

 

NEW QUESTION 33
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?

• A. 3125 MB/s
• B. 2050 MB/s
• C. 4800 MB/s
• D. 6250 MB/s

Answer: A

 

NEW QUESTION 34
What three data sources can Oracle Data Science draw from?

• A. Google Cloud Object Storage
• B. AWS S3 buckets
• C. Autonomous Data Warehouse
• D. Azure Object Storage Blob
• E. On-premise Oracle database

Answer: A,C,E

 

NEW QUESTION 35
Which two performance metrics can be used to trigger scaling actions In Autoscaling?

• A. CPU utilization
• B. Network latency
• C. Memory utilization
• D. Disk IOPS
• E. Network throughput

Answer: C,E

 

NEW QUESTION 36
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 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 number of instances is balanced across fault domains, the oldest instance within the fault domain is terminated.

Answer: D

 

NEW QUESTION 37
What does the Terasort phase of the Terasort benchmark do?

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

Answer: D

 

NEW QUESTION 38
Oracle Cloud infrastructure (OCI) Block Volume Storage supports sharing 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?

• A. Linux File Systems like XFS, EXT4, EXT3, etc.
• B. Parallel File Systems like Lustre, IBM Spectrum Scale(GPFS), BeeGFS, etc.
• C. Distributed File Systems like Gluster, OCFS2, GFS2
• D. Network File System (NFS)

Answer: C

 

NEW QUESTION 39
On Oracle Cloud Infrastructure (OCI), a customer wants to build a 3TB fllesystem for high throughput-oriented workloads.
Which action provides the highest IO throughput using OCI block volumes for storage?

• A. Attach three Block volumes of 1TB each and use filesystem Block size of 1M or higher.
• B. Attach three Block volumes of 1TB each and use fllesystem Block size of 256K or lower.
• C. Attach one Block volume of 3TB volume size and use fllesystem Block size of 1M or higher.
• D. Attach one Block volume of 3TB volume size and use fllesystem Block size of 256K or lower.

Answer: D

 

NEW QUESTION 40
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 connect remotely?

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

Answer: C

 

NEW QUESTION 41
Which Message Passing Interface (MPI) distribution is NOT available today?

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

Answer: A

 

NEW QUESTION 42
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. 66%
• B. 50%
• C. 75%
• D. 100%

Answer: B

 

NEW QUESTION 43
Which statement explains how instances are distributed in an instance pool?

• A. The instances in a pool are not distributed across fault domains.
• B. The instances in a pool are distributed evenly between two fault domains.
• C. The instances In a pool are distributed between availability domains only.
• D. It is not possible to distribute instances across availability domains or fault domains.
• E. The instances in a pool are distributed across all fault domains In a best-effort manner based on capacity.

Answer: E

 

NEW QUESTION 44
Which workload is massively parallel In nature?

• A. SQL Queries
• B. ETL
• C. Map/Reduce
• D. Streaming

Answer: C

 

NEW QUESTION 45
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. 10 Block Volumes of 1TB size
• C. One Block Volume of 10TB size
• D. 20 Block Volumes of 500GB size

Answer: C

 

NEW QUESTION 46
Which statement Is correct about deleting an Instance Pool?

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

Answer: D

 

NEW QUESTION 47
Which two Oracle Cloud Infrastructure (OCI) shapes are a good choice for Spark based workloads?

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

Answer: A,D

 

NEW QUESTION 48
You are architecting the infrastructure for a file system.
What are the different criteria you should use, and in what order to build a filesystem for optimal performance?

• A. Network Bandwidth > Number of Compute Cores/RAM > Storage
• B. Number of Compute Cores/RAM > Storage > Network Bandwidth
• C. Network Bandwidth > Storage > Number of Compute Cores/RAM
• D. Storage > Network Bandwidth > Number of Compute Cores/RAM

Answer: A

 

NEW QUESTION 49
On a RDMA cluster, a latency test was conducted, with these results:

What should you do?

• A. Nothing, this behavior is normal.
• B. Latency Is not critical, check the bandwidth.
• C. Rerun the test and see If It Is consistent.
• D. Report the higher latency through a SR.

Answer: A

 

NEW QUESTION 50
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. Object Storage
• B. Data Transfer Appliance
• C. GoldenGate
• D. Fast Connect
• E. Distcp

Answer: E

 

NEW QUESTION 51
What HDFS replication factor should be used for locally attached storage In HDFS?

• A. 0
• B. 1
• C. 2
• D. 3

Answer: C

 

NEW QUESTION 52
On Oracle Cloud Infrastructure (OCI), a customer wants to build a 3TB filesystem for high IOPS workloads (like relational databases, small files, etc).
Which action provides the highest IOPS using OCI block volumes for storage?

• A. Attach one Block volume of 3TB volume size and use filesystem Block size of 2M or higher.
• B. Attach three Block volumes of 1TB each and use filesystem Block size of 2M or higher.
• C. Attach one Block volume of 3TB volume size and use filesystem Block size of 4K.
• D. Attach three Block volumes of 1TB each and use filesystem Block size of 4K.

Answer: C

 

NEW QUESTION 53
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 BM.HPC2.36.
• B. Switch to FSS for your file system.
• C. Use Cluster Networking.
• D. Switch to ESS mode.

Answer: D

 

NEW QUESTION 54
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