1Z0-1089-20 Certification Exam Dumps Questions in here [Nov-2021]
Updated 1Z0-1089-20 Exam Practice Test Questions
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NEW QUESTION 32
When running a high memory workload, what should be your machine of choice?
- A. BM.Standard.E2.64
- B. BM.Standard.E3.128
- C. BM.GPU3.8
- D. BM.HPC2.36
Answer: B
NEW QUESTION 33
What are two different types of Storage offerings available to build a filesystem on Oracle Cloud infrastructure (OCI)?
- A. Object Storage
- B. Block Volume Service
- C. File Storage
- D. Local NVMe SSDs on DenselO and HPC compute shapes
Answer: A
NEW QUESTION 34
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. Only the network throughput will influence Monte Carlo simula-tions.
- B. Base Frequency
- C. All Core Turbo Frequency
- D. Turbo Frequency
Answer: D
NEW QUESTION 35
Which is an accurate analogy for Amdahl's law?
- A. When chopping vegetable to prepare a 4 person-meal, 2 persons are going twice as fast as one, but 8 people may not be 8 times faster.
- B. An orchestra can only play well together If they have a great conductor.
- C. There Is no such thing as a free lunch.
- D. In track and field, the 4xl00m relay is only 17% faster than the world record for individual 400m.
Answer: A
NEW QUESTION 36
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. IO speed has a huge impact.
- B. The workload requires about 4GB/core of memory.
- C. The workload is embarrassingly parallel.
- D. Total number of processes is between 48 and 128 cores and can use RDMA.
Answer: C
NEW QUESTION 37
Which two options are valid when configuring health check policies in Oracle Cloud Infrastructure (OCI) Load Balancing?
- A. FTP level health checks
- B. HTTP level health checks
- C. TCP level health checks
- D. UDP level health checks
Answer: B,C
NEW QUESTION 38
Which workload is massively parallel In nature?
- A. SQL Queries
- B. ETL
- C. Map/Reduce
- D. Streaming
Answer: C
NEW QUESTION 39
When an instance pool scales in, what is the correct order that the instances are terminated?
- A. 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.
- B. 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.
- 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 40
What two types of workloads can benefit from Cluster Networking (RDMA)?
- A. Computational Fluid Dynamic
- B. Monte Carlo Risk analysis
- C. Movie Rendering
- D. HPC File Server
Answer: B,D
NEW QUESTION 41
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.Standard.E3.128 2: BM.HPC2.36
- B. 1: BM.Standard-2.52 2: BM.HPC2-36
- C. 1: BM.HPC2.36 2: BM.Standard.E3-128
- D. 1: BM.HPC2.36 2: BM.Standard.2.52
Answer: C
NEW QUESTION 42
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: 0-0.0.0 for TCP port 22, subnet 1 and 2: 172.16.0.0/23 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: 172.16-1.0/24 for port 22, subnet2: 172.16.1.0/24 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: C
NEW QUESTION 43
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. Switch to ESS mode.
- B. Use Cluster Networking.
- C. Use BM.HPC2.36.
- D. Switch to FSS for your file system.
Answer: A
NEW QUESTION 44
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 three Block volumes of 1TB each and use filesystem Block size of 4K.
- D. Attach one Block volume of 3TB volume size and use filesystem Block size of 4K.
Answer: D
NEW QUESTION 45
What three data sources can Oracle Data Science draw from?
- A. Azure Object Storage Blob
- B. Google Cloud Object Storage
- C. AWS S3 buckets
- D. Autonomous Data Warehouse
- E. On-premise Oracle database
Answer: B,D,E
NEW QUESTION 46
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. One Block Volume of 10TB size
- B. 8 Block Volumes of 1.25TB size
- C. 20 Block Volumes of 500GB size
- D. 10 Block Volumes of 1TB size
Answer: A
NEW QUESTION 47
Which performance benchmark tool CANNOT be used to measure IO throughput for Linux based filesystems?
- A. Vdbench
- B. IO500
- C. FIO
- D. IOR
- E. iPerf
Answer: D
NEW QUESTION 48
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. 500GB
- B. 800GB
- C. 32TB
- D. 1TB
Answer: B
NEW QUESTION 49
What minimum size of block volume with Balanced performance tier maximizes throughput for large files?
- A. 32TB
- B. 10TB
- C. 1TB
- D. 100GB
Answer: A
NEW QUESTION 50
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