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NEW QUESTION 28
What does the Terasort phase of the Terasort benchmark do?
- A. It randomly maps source data and increases output to a bigger data set.
- B. It maps and reduces one terabyte of data into a smaller data set.
- C. Itmaps and reduces source data in a parallel manner, leveraging data locality to minimize network transfer.
- D. It randomly maps source data and reduces output to a smaller data set,
Answer: D
NEW QUESTION 29
Which two Oracle Cloud Infrastructure (OCI) shapes are a good choice for Spark based workloads?
- A. VM Standard
- B. HPC
- C. GPU
- D. BM Standard
Answer: B,D
NEW QUESTION 30
Which Is a common business problem for customers running Big Data workloads?
- A. Ability to process a small data set at the minimum cost as possible
- B. Ability to process a large data set at the maximum 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 31
Which benchmark is important to a customer when considering 0lg Data workloads on Oracle Cloud Infrastructure (OCI)?
- A. TPC-DI
- B. TPC-DS
- C. Terasort
- D. TPC-C
Answer: A
NEW QUESTION 32
Which statement explains how instances are distributed in an instance pool?
- A. The instances in a pool are distributed evenly between two fault domains.
- B. The instances in a pool are not distributed across 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-effortmanner based on capacity.
Answer: E
NEW QUESTION 33
When running a high memory workload, what should be your machine of choice?
- A. BM.Standard.E2.64
- B. BM.HPC2.36
- C. BM.Standard.E3.128
- D. BM.GPU3.8
Answer: C
NEW QUESTION 34
Which Message Passing Interface (MPI) distribution is NOT available today?
- A. Platform MPI
- B. Intel MPI
- C. OCI MPI
- D. Open MPI
Answer: B
NEW QUESTION 35
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. 7 Block Volumes of 800GB
- B. 6 Block Volumes of 32 TB
- C. 32 Block Volumes of 800GB
- D. 5Block Volume of 32 TB
Answer: A
NEW QUESTION 36
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. Minimize latency.
- B. Minimize throughput while keeping the latency low.
- C. Maximize throughput.
- D. Maximize Latency while keeping throughput above a certain threshold.
Answer: C
NEW QUESTION 37
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? Ifmultiple options are possible, choose the one limiting access the most.
- A. Subnet1: 0.0.0.0 for all TCP/UDP ports, subnet2: 172.16.0.0/16 for all TCP/UDP ports
- B. Subnet1: 0-0.0.0 for TCP port 22, subnet 1 and 2: 172.16.0.0/23 for all TCP/UDP ports
- C. Subnet1: 0-0.0.0 for TCP port 22, subnet 2: 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 TCP/UDP ports
Answer: D
NEW QUESTION 38
Whichis 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. In track and field, the 4xl00m relay is only 17% faster than the world record for individual 400m.
- C. An orchestra can only play well together If they have a great conductor.
- D. There Is no such thing as a free lunch.
Answer: A
NEW QUESTION 39
On Oracle Cloud Infrastructure (OCI), a customer wants to build a3TB 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 4K.
- B. Attach one Block volume of 3TB volume size 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 three Block volumes of 1TB each and use filesystem Block size of 2M or higher.
Answer: A
NEW QUESTION 40
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. Switch to FSS for your file system.
- B. Switch to ESS mode.
- C. Use ClusterNetworking.
- D. Use BM.HPC2.36.
Answer: B
NEW QUESTION 41
Which two Oracle Cloud Infrastructure (OCI) storage options are supported for direct HDFS use in Hadoop?
- A. Block Volume
- B. FSS
- C. Object Storage
- D. DenselO NVMe
Answer: B,D
NEW QUESTION 42
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 connectremotely?
- A. Open all protocols for your specific IP address.
- B. Open TCP ports 5900 to 5910 for 0.0.0.0/0.
- C. No other additional rules are needed. It is possible to connect as is.
- D. Create a Stateless Egress rule for port 22-
Answer: B
NEW QUESTION 43
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. 6250 MB/s
- B. 4800 MB/s
- C. 3125 MB/s
- D. 2050 MB/s
Answer: C
NEW QUESTION 44
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. Base Frequency
- B. Turbo Frequency
- C. All Core Turbo Frequency
- D. Only the network throughput will influence Monte Carlo simula-tions.
Answer: B
NEW QUESTION 45
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. Put the data in object storage, and mount It using s3fs-fuse project.
- 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. Build a file-system using NVMe on Dense shapes. Then move the data to object storage when not needed.
Answer: D
NEW QUESTION 46
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. 32 Block Volumes of 800 GB
- B. 7 Block Volumes of 800 GB
- C. 6 Block Volumes of 32 TB
- D. 5 Block Volumes of 32 TD
Answer: C
NEW QUESTION 47
Which Statement Is NOT correct?
- A. Oracle Data Science is augmented with AI VM for Data Science.
- B. Oracle Data Science can integrate with Oracle Function.
- C. Oracle Data Science Is not excluded from Universal Credit.
- D. Oracle Data Science does not support per second billing.
Answer: B
NEW QUESTION 48
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. Storage > Network Bandwidth > Number of Compute Cores/RAM
- B. Network Bandwidth > Number of Compute Cores/RAM >Storage
- C. Network Bandwidth > Storage > Number of Compute Cores/RAM
- D. Number of Compute Cores/RAM > Storage > Network Bandwidth
Answer: B
NEW QUESTION 49
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 50
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