[Sep-2021] Dumps Brief Outline Of The 1Z0-1089-20 Exam - Prep4King
1Z0-1089-20 Training & Certification Get Latest Oracle Cloud Infrastructure
NEW QUESTION 15
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. All Core Turbo Frequency
- B. Base Frequency
- C. Only the network throughput will influence Monte Carlo simula-tions.
- D. Turbo Frequency
Answer: D
NEW QUESTION 16
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 > Storage > Number of Compute Cores/RAM
- B. Number of Compute Cores/RAM > Storage > Network Bandwidth
- C. Storage > Network Bandwidth > Number of Compute Cores/RAM
- D. Network Bandwidth > Number of Compute Cores/RAM > Storage
Answer: D
NEW QUESTION 17
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 18
A customer wants to store small files (KBs) workload in a filesystem.
What two options should you use to measure performance for this filesystem?
- A. Amount of Memory on file servers
- B. CPU processor clock speed for faster processing
- C. Low Latency
- D. High IOPS
Answer: A
NEW QUESTION 19
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 20
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 21
Which statement correctly describes Oracle Data Science?
- A. It provides management for on-premise machine learning models.
- B. It is primarily focused on supporting a single data scientist.
- C. Oracle's Data Science model catalog holds contains only the model artifact.
- D. It enables data science teams to build, train, and manage machine learning models on Oracle Cloud.
Answer: A
NEW QUESTION 22
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 23
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 24
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 25
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 26
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 27
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 28
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 ESS mode.
- C. Switch to FSS for your file system.
- D. Use Cluster Networking.
Answer: B
NEW QUESTION 29
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. 4800 MB/s
- B. 3125 MB/s
- C. 2050 MB/s
- D. 6250 MB/s
Answer: B
NEW QUESTION 30
Which performance benchmark tool CANNOT be used to measure IO throughput for Linux based filesystems?
- A. FIO
- B. IO500
- C. Vdbench
- D. iPerf
- E. IOR
Answer: E
NEW QUESTION 31
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 32
You are building a RDMA cluster on a private network with 10000 cores. What CIDR will work in the VCN: 172.16.0.0/16?
- A. 172.16.32,0/16
- B. 10.0.1.0/24
- C. 10.0.1.0/23
- D. 172.16.32.0/23
Answer: D
NEW QUESTION 33
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 34
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