[Jan 09, 2022] 1Z0-1089-20 Test Prep Training Practice Exam Questions Practice Tests [Q24-Q42]

[Jan 09, 2022] 1Z0-1089-20 Test Prep Training Practice Exam Questions Practice Tests

Exam Questions Answers Braindumps 1Z0-1089-20 Exam Dumps PDF Questions

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

 

NEW QUESTION 24
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. 500GB
• C. 1TB
• D. 32TB

Answer: A

 

NEW QUESTION 25
A customer is hesitating between running BM.Standard.E3.128 or HPC2.36 for his workload. Which statement would disqualify the AMD chip without any benchmark?

• A. Total number of processes is between 48 and 128 cores and can use RDMA.
• B. The workload is embarrassingly parallel.
• C. The workload requires about 4GB/core of memory.
• D. IO speed has a huge impact.

Answer: B

 

NEW QUESTION 26
Which performance benchmark tool CANNOT be used to measure IO throughput for Linux based filesystems?

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

Answer: E

 

NEW QUESTION 27
You are building a large filesystem to maximize throughput of large files using high performance block volume and BM.Standard2.52 as file servers.
Which block volumes configuration should you choose to ensure aggregate Block volume throughput is higher than network bandwidth of file servers?

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

Answer: B

 

NEW QUESTION 28
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 29
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 30
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 31
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 32
What are two different types of Storage offerings available to build a filesystem on Oracle Cloud infrastructure (OCI)?

• A. Object Storage
• B. Local NVMe SSDs on DenselO and HPC compute shapes
• C. File Storage
• D. Block Volume Service

Answer: A

 

NEW QUESTION 33
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 34
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 35
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 36
Which Statement Is NOT correct?

• A. Oracle Data Science does not support per second billing.
• B. Oracle Data Science can integrate with Oracle Function.
• C. Oracle Data Science is augmented with AI VM for Data Science.
• D. Oracle Data Science Is not excluded from Universal Credit.

Answer: B

 

NEW QUESTION 37
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 38
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. Use Terraform to rapidly provision Hadoop Cluster on OCI.
• B. Replicate data to a Hadoop cluster running on OCI in near-realtime.
• C. Replicate data to OCI Object Storage in near-realtime.
• D. Replicate data to OCI Object Storage every hour.

Answer: A

 

NEW QUESTION 39
You have two different workloads, workload 1 does not scale very well (~100 cores) and requires a very high memory bandwidth, and a workload 2 that Is compute bound and IO intensive.
Which Instances should you select?

• A. 1: BM.HPC2.36 2: BM.Standard.E3-128
• B. 1: BM.HPC2.36 2: BM.Standard.2.52
• C. 1: BM.Standard.E3.128 2: BM.HPC2.36
• D. 1: BM.Standard-2.52 2: BM.HPC2-36

Answer: A

 

NEW QUESTION 40
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 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
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