[2021] Use Valid New 1Z0-1089-20 Test Notes & 1Z0-1089-20 Valid Exam Guide [Q30-Q52]

[2021] Use Valid New 1Z0-1089-20 Test Notes & 1Z0-1089-20 Valid Exam Guide

1Z0-1089-20 Actual Questions Answers PDF 100% Cover Real Exam Questions

Oracle 1Z0-1089-20 Exam Syllabus Topics:

Topic	Details
Topic 1	Deploy monitoring mechanisms that ensure cost and resource optimization based on business requirements
Topic 2	Explain how to deploy and use Data Science platform Implement and Operate Scale-Out solutions on OCI
Topic 3	Design, Deploy and Operate High Speed Shared File Systems Use Guidance and best practice for deploying HPC products on OCI
Topic 4	Design a solution infrastructure that meets defined success measurements
Topic 6	Use Guidance and best practices for deploying big data products on OCI Describe HPC Architecture Overview
Topic 7	Explain how to deploy and use Data Flow platform Identify proper HPC workload
Topic 8	Differentiate the various big data solutions and data services on OCI Explain How to deploy and use GPU instances for AI/ML workloads
Topic 9	Identify Advantages of running big data on OCI Align with business and technical requirement for scale-out workloads
Topic 10	Deploy a dynamically scalable, highly available and resilient compute solution based on technical requirements

 

NEW QUESTION 30
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 31
Which workload is massively parallel In nature?

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

Answer: C

 

NEW QUESTION 32
Which three are available on Oracle Cloud Infrastructure (OCI) as load balancing policies?

• A. Round Robin
• B. IP Hash
• C. Random
• D. Least CPU Utilization
• E. Least Connections

Answer: A,B,E

 

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

• A. 0
• B. 1
• C. 2
• D. 3

Answer: C

 

NEW QUESTION 35
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 36
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. best price / performance for Big Data workloads In the Cloud
• E. managed service offerings to support common Big Data workloads

Answer: E

 

NEW QUESTION 37
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 38
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 39
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 40
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 41
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 42
Which three Hadoop distributions are supported on Oracle Cloud Infrastructure (OCI)?

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

Answer: C,D,E

 

NEW QUESTION 43
A customer has a Spark workload they are considering moving to Oracle Cloud Infrastructure (OCI). What option should they consider?

• A. Big Data Service
• B. Oracle Data Flow
• C. Self-managed Spark deployment
• D. Self-managed Hadoop deployment

Answer: B

 

NEW QUESTION 44
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. 6 Block Volumes of 32 TB
• B. 32 Block Volumes of 800GB
• C. 7 Block Volumes of 800GB
• D. 5 Block Volume of 32 TB

Answer: C

 

NEW QUESTION 45
You are building a file system that needs to handle large files with a lot of nodes reading at the same time.
What should be your main goal?

• A. Maximize throughput.
• B. Minimize latency.
• C. Maximize Latency while keeping throughput above a certain threshold.
• D. Minimize throughput while keeping the latency low.

Answer: A

 

NEW QUESTION 46
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 47
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 48
Compute nodes are on subnet2(l72.16.1.0/24) and there is a BM.Dense.I02.8 on subnet1.
(1 /2.16.0.0/24) that will serve as a bastion, file server and license server. The bastion will be accessed through a public IP with SSH.
Which security lists should you choose for an HPC cluster? If multiple options are possible, choose the one limiting access the most.

• A. Subnet1: 172.16-1.0/24 for port 22, subnet2: 172.16.1.0/24 for all TCP/UDP ports
• B. Subnet1: 0-0.0.0 for TCP port 22, subnet 2: 172.16.0.0/16 for TCP port 22
• C. Subnet1: 0-0.0.0 for TCP port 22, subnet 1 and 2: 172.16.0.0/23 for all TCP/UDP ports
• D. Subnet1: 0.0.0.0 for all TCP/UDP ports, subnet2: 172.16.0.0/16 for all TCP/UDP ports

Answer: A

 

NEW QUESTION 49
You've spun up a GPU instance with the standard OEL linage (GPU version) from the console network on Oracle Cloud Infrastructure (OCI).
What action do you need to do In order to be able to visualize your desktop remotely?

• A. Open a remote serial console.
• B. Install Open MPl for distributed GPU access.
• C. Install a desktop and a VNC server.
• D. Install NVIDIA drivers.

Answer: D

 

NEW QUESTION 50
Which statement correctly describes Oracle Data Science?

• A. It enables data science teams to build, train, and manage machine learning models on Oracle Cloud.
• B. Oracle's Data Science model catalog holds contains only the model artifact.
• C. It provides management for on-premise machine learning models.
• D. It is primarily focused on supporting a single data scientist.

Answer: C

 

NEW QUESTION 51
What minimum size of block volume with Balanced performance tier maximizes throughput for large files?

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

Answer: B

 

NEW QUESTION 52
......

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