[Mar 30, 2022] 1Z0-1089-21 Dumps Full Questions - Exam Study Guide
Oracle Cloud Infrastructure Free Certification Exam Material from Test4Cram with 56 Questions
NEW QUESTION 16
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 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 increases output to a bigger data set.
Answer: A
NEW QUESTION 17
What HDFS replication factor can be used with Block Volumes to optimize cost?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION 18
Acustomer 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. Total number of processes is between 48 and 128 cores and can useRDMA.
- C. The workload is embarrassingly parallel.
- D. The workload requires about 4GB/core of memory.
Answer: C
NEW QUESTION 19
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 20
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 21
You are building a RDMA cluster on a private network with 10000 cores. What CIDR will work in theVCN:
172.16.0.0/16?
- A. 172.16.32,0/16
- B. 172.16.32.0/23
- C. 10.0.1.0/24
- D. 10.0.1.0/23
Answer: B
NEW QUESTION 22
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 readand 5GB/s for write
Answer: C
NEW QUESTION 23
Which statement Is correct about deleting an Instance Pool?
- A. Nothing will be deleted.
- B. Instances and block volumes will be deleted.
- C. Instances and boot volumes will be deleted.
- D. Associated Instances and attached boot volumes will be deleted; block volumes will be detached.
- E. Only the Instances will be deleted.
Answer: D
NEW QUESTION 24
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 25
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 26
Which performance benchmark tool CANNOT be used to measure IO throughput for Linux based filesystems?
- A. IO500
- B. iPerf
- C. IOR
- D. Vdbench
- E. FIO
Answer: C
NEW QUESTION 27
A file system is built using two BM.Standard2.52Compute shapes for File servers. On each file server, one 25 Gbps (3125 MB/s) NIC/network card is used to connect to 10 Block Volumes of 1TB each (max. 480MB/s per volume) and other 25 Gbps NIC Is used for sending/receiving data to/from client nodes.
Filesystem 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 aggregate IO throughput (theoretical) of the file system?
- A. 6250 MB/s
- B. 4800 MB/s
- C. 3125 MB/s
- D. 9600 MB/s
Answer: D
NEW QUESTION 28
Which Statement Is NOT correct?
- A. Oracle Data Science does not support per second billing.
- B. Oracle Data Science Is not excluded from Universal Credit.
- C. Oracle Data Science is augmented with AI VM for Data Science.
- D. Oracle Data Science can integrate with Oracle Function.
Answer: D
NEW QUESTION 29
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 30
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 31
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 32
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 33
What three data sources can Oracle Data Science draw from?
- A. Azure ObjectStorage Blob
- B. AWS S3 buckets
- C. Google Cloud Object Storage
- D. Autonomous Data Warehouse
- E. On-premise Oracle database
Answer: C,D,E
NEW QUESTION 34
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 35
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. Turbo Frequency
- C. Base Frequency
- D. Only the network throughput will influence Monte Carlo simula-tions.
Answer: B
NEW QUESTION 36
Which Message Passing Interface (MPI) distribution is NOT available today?
- A. Open MPI
- B. OCI MPI
- C. Intel MPI
- D. Platform MPI
Answer: C
NEW QUESTION 37
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 38
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