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NEW QUESTION 21
Which statement explains how instances are distributed in an instance pool?
- A. The instances in a pool are distributed across all fault domains In a best-effortmanner based on capacity.
- B. The instances In a pool are distributed between availability domains only.
- C. It is not possible to distribute instances across availability domains or fault domains.
- D. The instances in a pool are distributed evenly between two fault domains.
- E. The instances in a pool are not distributed across fault domains.
Answer: A
NEW QUESTION 22
A customer has a Spark workload they areconsidering moving to Oracle Cloud Infrastructure (OCI). What option should they consider?
- A. Big Data Service
- B. Self-managed Hadoop deployment
- C. Self-managed Spark deployment
- D. Oracle Data Flow
Answer: D
NEW QUESTION 23
On Oracle Cloud Infrastructure (OCI), a customer wants to build a 3TB fllesystem for high throughput-oriented workloads.
Which action provides the highestIO throughput using OCI block volumes for storage?
- A. Attach one Block volume of 3TB volume size and use fllesystem Block size of 1M or higher.
- B. Attach one Block volume of 3TB volume size and use fllesystem Block size of 256K or lower.
- C. Attach three Block volumes of 1TB each and use filesystem Block size of 1M or higher.
- D. Attach threeBlock volumes of 1TB each and use fllesystem Block size of 256K or lower.
Answer: B
NEW QUESTION 24
You are running a cluster using multiple BM.Standard2.52 machines. Themodel 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 ClusterNetworking.
- B. Switch to FSS for your file system.
- C. Use BM.HPC2.36.
- D. Switch to ESS mode.
Answer: D
NEW QUESTION 25
Which two performance metrics can be used to trigger scaling actions In Autoscaling?
- A. Disk IOPS
- B. Network latency
- C. CPU utilization
- D. Network throughput
- E. Memory utilization
Answer: D,E
NEW QUESTION 26
What minimum size of block volume with Balanced performance tier maximizes throughput for large files?
- A. 100GB
- B. 32TB
- C. 10TB
- D. 1TB
Answer: B
NEW QUESTION 27
You've spun up a GPU instance with the standard OEL linage (GPU version) from theconsole 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 a desktop and a VNC server.
- B. Open a remote serial console.
- C. Install Open MPl for distributed GPU access.
- D. Install NVIDIA drivers.
Answer: D
NEW QUESTION 28
What two types of workloads can benefit from Cluster Networking (RDMA)?
- A. Monte Carlo Risk analysis
- B. Computational Fluid Dynamic
- C. HPC File Server
- D. Movie Rendering
Answer: A,C
NEW QUESTION 29
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. GoldenGate
- B. Object Storage
- C. Fast Connect
- D. Distcp
- E. Data Transfer Appliance
Answer: D
NEW QUESTION 30
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 31
You are building a filesystem 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 pervolume.
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. One Block Volume of 10TB size
- C. 10 Block Volumes of 1TB size
- D. 20 Block Volumes of 500GB size
Answer: B
NEW QUESTION 32
Which three Hadoop distributions are supported on Oracle Cloud Infrastructure (OCI)?
- A. Hortonworks
- B. MapR
- C. Pivotal EMC
- D. Cloudera
- E. Apache Hadoop
Answer: A,D,E
NEW QUESTION 33
A customer has decided to use Oracle Cloud Infrastructure (OCI) for theirDisaster 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. Replicate data to OCI Object Storage in near-realtime.
- B. Replicate data to OCI Object Storage every hour.
- C. Replicate data to a Hadoop cluster running on OCI in near-realtime.
- D. Use Terraform to rapidly provision Hadoop Cluster on OCI.
Answer: D
NEW QUESTION 34
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. 32TB
- C. 1TB
- D. 500GB
Answer: A
NEW QUESTION 35
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 throughput while keeping the latency low.
- C. Maximize throughput.
- D. Minimize latency.
Answer: C
NEW QUESTION 36
A customer has a very busy workload. The model is very large (1 PB range) and only some small files are updated for new jobs. Throughput needed during the run is roughly 25GB/s.
What Is a fast and cost-conscious way to handle the file system?
- A. Build a file-system using NVMe on Dense shapes. Then move the data to object storage when not needed.
- B. Use NVMe on HPC shapes to build a File Systemwith the RDMA connection.
- C. Build a file system using Block volumes and Standard BMs, take advantage of the different block volume performances levels.
- D. Put the data in object storage, and mount It using s3fs-fuse project.
Answer: A
NEW QUESTION 37
Which benchmark is important to a customer when considering 0lg Data workloads on Oracle Cloud Infrastructure (OCI)?
- A. TPC-DI
- B. Terasort
- C. TPC-DS
- D. TPC-C
Answer: A
NEW QUESTION 38
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 tosupport common Big Data workloads
Answer: E
NEW QUESTION 39
Which two Oracle Cloud Infrastructure (OCI) storage options are supported for direct HDFS use in Hadoop?
- A. Object Storage
- B. Block Volume
- C. DenselO NVMe
- D. FSS
Answer: C,D
NEW QUESTION 40
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 > Number of Compute Cores/RAM >Storage
- B. Number of Compute Cores/RAM > Storage > Network Bandwidth
- C. Storage > Network Bandwidth > Number of Compute Cores/RAM
- D. Network Bandwidth > Storage > Number of Compute Cores/RAM
Answer: A
NEW QUESTION 41
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 42
You have an HPC cluster running tightly coupled MPI jobs without VPN or Fast Connect.
The compute nodes are onsubnet2(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 all protocols, subnet2: 172.16.0-0/16 for all protocols
- B. Subnet1: 0.0.0.0 forTCP port 22, subnet 1 and 2: 172.16.0.0/23 for all protocols
- C. Subnet1: 0.0.0.0 for TCP port 27, subnet 7: 172.16.0.0/16 for TCP port 22
- D. Subnet1: 172.16.1.0/24 for port 22, subnet2: 172.16.1.0/24 for all protocols
Answer: A
NEW QUESTION 43
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