[Oct 19, 2021] Lesson Brilliant PDF for the 1Z0-1089-20 Tests Free Updated Today
Get New 2021 Valid Practice Oracle Cloud Infrastructure 1Z0-1089-20 Q&A - Testing Engine
NEW QUESTION 17
A customer has a Spark workload they are considering moving to Oracle Cloud Infrastructure (OCI). What option should they consider?
- A. Self-managed Spark deployment
- B. Big Data Service
- C. Self-managed Hadoop deployment
- D. Oracle Data Flow
Answer: D
NEW QUESTION 18
A file system is built using two BM.Standard2.52 Compute 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.
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 aggregate IO throughput (theoretical) of the file system?
- A. 9600 MB/s
- B. 4800 MB/s
- C. 6250 MB/s
- D. 3125 MB/s
Answer: A
NEW QUESTION 19
What minimum size of block volume with Balanced performance tier maximizes throughput for large files?
- A. 32TB
- B. 10TB
- C. 1TB
- D. 100GB
Answer: A
NEW QUESTION 20
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. Data Transfer Appliance
- C. Fast Connect
- D. Distcp
- E. Object Storage
Answer: D
NEW QUESTION 21
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. 5 Block Volumes of 32 TD
- B. 6 Block Volumes of 32 TB
- C. 7 Block Volumes of 800 GB
- D. 32 Block Volumes of 800 GB
Answer: B
NEW QUESTION 22
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. Install Open MPl for distributed GPU access.
- C. Install a desktop and a VNC server.
- D. Open a remote serial console.
Answer: A
NEW QUESTION 23
Which statement correctly describes Oracle Data Science?
- A. It provides management for on-premise machine learning models.
- B. It enables data science teams to build, train, and manage machine learning models on Oracle Cloud.
- C. It is primarily focused on supporting a single data scientist.
- D. Oracle's Data Science model catalog holds contains only the model artifact.
Answer: A
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
Which Is a common business problem for customers running Big Data workloads?
- A. Costs associated to process a large scale data set
- B. Ability to process a large data set at the maximum cost as possible
- C. Ability to process a small data set at the minimum cost as possible
- D. Cost associated with Disaster Recovery for large deployments
Answer: A
NEW QUESTION 26
What three data sources can Oracle Data Science draw from?
- A. Azure Object Storage Blob
- B. Google Cloud Object Storage
- C. AWS S3 buckets
- D. Autonomous Data Warehouse
- E. On-premise Oracle database
Answer: B,D,E
NEW QUESTION 27
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.E3-128
- D. 1: BM.HPC2.36 2: BM.Standard.2.52
Answer: C
NEW QUESTION 28
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. Only the network throughput will influence Monte Carlo simula-tions.
- B. Base Frequency
- C. All Core Turbo Frequency
- D. Turbo Frequency
Answer: D
NEW QUESTION 29
Which benchmark is important to a customer when considering 0lg Data workloads on Oracle Cloud Infrastructure (OCI)?
- A. TPC-C
- B. TPC-DS
- C. Terasort
- D. TPC-DI
Answer: D
NEW QUESTION 30
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. 2050 MB/s
- B. 4800 MB/s
- C. 3125 MB/s
- D. 6250 MB/s
Answer: 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. Use NVMe on HPC shapes to build a File System with the RDMA connection.
- B. Put the data in object storage, and mount It using s3fs-fuse project.
- 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 32
A customer ran a Job on 2 BM.HPC2.36, and the job took 4 hours using 32 cores of each node. They later ran on 4 nodes and the Job took 3 hours. What Is the efficiency gained?
- A. 50%
- B. 66%
- C. 75%
- D. 100%
Answer: A
NEW QUESTION 33
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