[Aug-2021] Valid Way To Pass Oracle Exam Dumps with 1Z0-1089-20 Exam Study Guide
All 1Z0-1089-20 Dumps and Oracle Cloud Infrastructure 2020 HPC and Big Data Solutions Associate Training Courses Help candidates to study and pass the Exams hassle-free!
NEW QUESTION 32
What two types of workloads can benefit from Cluster Networking (RDMA)?
- A. Movie Rendering
- B. Monte Carlo Risk analysis
- C. HPC File Server
- D. Computational Fluid Dynamic
Answer: B,C
NEW QUESTION 33
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. 32 Block Volumes of 800GB
- B. 5 Block Volume of 32 TB
- C. 6 Block Volumes of 32 TB
- D. 7 Block Volumes of 800GB
Answer: D
NEW QUESTION 34
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 one Block volume of 3TB volume size and use fllesystem Block size of 256K or lower.
- B. Attach one Block volume of 3TB volume size and use fllesystem Block size of 1M or higher.
- C. Attach three Block volumes of 1TB each and use fllesystem Block size of 256K or lower.
- D. Attach three Block volumes of 1TB each and use filesystem Block size of 1M or higher.
Answer: A
NEW QUESTION 35
On a RDMA cluster, a latency test was conducted, with these results:
What should you do?
- A. Latency Is not critical, check the bandwidth.
- B. Report the higher latency through a SR.
- C. Nothing, this behavior is normal.
- D. Rerun the test and see If It Is consistent.
Answer: C
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 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 availability domains, the oldest instance within the fault domain is terminated, the number of instances Is balanced across fault domains.
- D. 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.
Answer: A
NEW QUESTION 37
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 38
Which Is a common business problem for customers running Big Data workloads?
- A. Ability to process a large data set at the maximum cost as possible
- B. Ability to process a small data set at the minimum cost as possible
- C. Costs associated to process a large scale data set
- D. Cost associated with Disaster Recovery for large deployments
Answer: C
NEW QUESTION 39
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. Open all protocols for your specific IP address.
- B. Open TCP ports 5900 to 5910 for 0.0.0.0/0.
- C. Create a Stateless Egress rule for port 22-
- D. No other additional rules are needed. It is possible to connect as is.
Answer: B
NEW QUESTION 40
What are two different types of Storage offerings available to build a filesystem on Oracle Cloud infrastructure (OCI)?
- A. Local NVMe SSDs on DenselO and HPC compute shapes
- B. Object Storage
- C. Block Volume Service
- D. File Storage
Answer: B
NEW QUESTION 41
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. Install NVIDIA drivers.
- B. Open a remote serial console.
- C. Install a desktop and a VNC server.
- D. Install Open MPl for distributed GPU access.
Answer: A
NEW QUESTION 42
What three data sources can Oracle Data Science draw from?
- A. Google Cloud Object Storage
- B. On-premise Oracle database
- C. Autonomous Data Warehouse
- D. Azure Object Storage Blob
- E. AWS S3 buckets
Answer: A,B,C
NEW QUESTION 43
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 Latency while keeping throughput above a certain threshold.
- B. Minimize latency.
- C. Maximize throughput.
- D. Minimize throughput while keeping the latency low.
Answer: C
NEW QUESTION 44
What does the Terasort phase of the Terasort benchmark do?
- A. It randomly maps source data and reduces output to a smaller data set,
- B. It randomly maps source data and increases output to a bigger data set.
- C. It maps and reduces one terabyte of data into a smaller data set.
- D. It maps and reduces source data in a parallel manner, leveraging data locality to minimize network transfer.
Answer: A
NEW QUESTION 45
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 three Block volumes of 1TB each and use filesystem Block size of 4K.
- B. Attach one Block volume of 3TB volume size and use filesystem Block size of 4K.
- C. Attach three Block volumes of 1TB each and use filesystem Block size of 2M or higher.
- D. Attach one Block volume of 3TB volume size and use filesystem Block size of 2M or higher.
Answer: B
NEW QUESTION 46
Which two options are valid when configuring health check policies in Oracle Cloud Infrastructure (OCI) Load Balancing?
- A. FTP level health checks
- B. TCP level health checks
- C. UDP level health checks
- D. HTTP level health checks
Answer: B,D
NEW QUESTION 47
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.2.52
- D. 1: BM.HPC2.36 2: BM.Standard.E3-128
Answer: D
NEW QUESTION 48
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. In track and field, the 4xl00m relay is only 17% faster than the world record for individual 400m.
- D. There Is no such thing as a free lunch.
Answer: A
NEW QUESTION 49
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 write and 5GB/s for read
- C. 2.5GB/s for both (read and write)
- D. 2.5GB/s for read and 5GB/s for write
Answer: C
NEW QUESTION 50
When running a high memory workload, what should be your machine of choice?
- A. BM.Standard.E3.128
- B. BM.Standard.E2.64
- C. BM.HPC2.36
- D. BM.GPU3.8
Answer: A
NEW QUESTION 51
Which two Oracle Cloud Infrastructure (OCI) storage options are supported for direct HDFS use in Hadoop?
- A. Object Storage
- B. DenselO NVMe
- C. Block Volume
- D. FSS
Answer: B,D
NEW QUESTION 52
You have an HPC cluster running tightly coupled MPI jobs without VPN or Fast Connect.
The compute nodes are on subnet2(172.16.1.0/24), and there is a BM.Dense.I02.8 on subnet1 (172-16.0.0/24) that will serve as a bastion and file server.
What security lists should you choose to be able to run the workloads while limiting access as possible?
- A. Subnet1: 0.0.0.0 for TCP port 22, subnet 1 and 2: 172.16.0.0/23 for all protocols
- B. Subnet1: 172.16.1.0/24 for port 22, subnet2: 172.16.1.0/24 for all protocols
- C. Subnet1: 0.0.0.0 for all protocols, subnet2: 172.16.0-0/16 for all protocols
- D. Subnet1: 0.0.0.0 for TCP port 27, subnet 7: 172.16.0.0/16 for TCP port 22
Answer: C
NEW QUESTION 53
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 54
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