1Z0-1089-20 Online Practice Questions and Answers

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 Open MPl for distributed GPU access.

B. Install a desktop and a VNC server.

C. Install NVIDIA drivers.

D. Open a remote serial console.

Oracle Cloud infrastructure (OCI) Block Volume Storage supports sharing a Block Volume among multiple compute Instances in read/write or read only shareable mode.

Which two file systems should be used to allow multiple compute Instances to read/write data concurrently without any data loss?

A. Distributed File Systems like Gluster, OCFS2, GFS2

B. Linux File Systems like XFS, EXT4, EXT3, etc.

C. Network File System (NFS)

D. Parallel File Systems like Lustre, IBM Spectrum Scale(GPFS), BeeGFS, etc.

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. Maximize throughput.

C. Minimize latency.

D. Minimize throughput while keeping the latency low.

Which two Oracle Cloud Infrastructure (OCI) storage options are supported for direct HDFS use in Hadoop?

A. Block Volume

B. Object Storage

C. FSS

D. DenselO NVMe

A customer has decided to use Oracle Cloud Infrastructure (OCI) for their Disaster 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 every hour.

B. Replicate data to a Hadoop cluster running on OCI in near-realtime.

C. Use Terraform to rapidly provision Hadoop Cluster on OCI.

D. Replicate data to OCI Object Storage in near-realtime.

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. Switch to FSS for your file system.

B. Use Cluster Networking.

C. Use BM.HPC2.36.

D. Switch to ESS mode.

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. Distcp

B. Data Transfer Appliance

C. Fast Connect

D. Object Storage

E. GoldenGate

Which two performance metrics can be used to trigger scaling actions In Autoscaling?

A. Network latency

B. Memory utilization

C. Network throughput

D. Disk IOPS

E. CPU utilization

Which benchmark is important to a customer when considering 0lg Data workloads on Oracle Cloud Infrastructure (OCI)?

A. TPC-DS

B. TPC-DI

C. TPC-C

D. Terasort

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. 100%

B. 50%

C. 66%

D. 75%

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. Storage > Network Bandwidth > Number of Compute Cores/RAM

C. Number of Compute Cores/RAM > Storage > Network Bandwidth

D. Network Bandwidth > Storage > Number of Compute Cores/RAM

Which statement correctly describes Oracle Data Science?

A. It is primarily focused on supporting a single data scientist.

B. It enables data science teams to build, train, and manage machine learning models on Oracle Cloud.

C. It provides management for on-premise machine learning models.

D. Oracle's Data Science model catalog holds contains only the model artifact.

Which Statement Is NOT correct?

A. Oracle Data Science is augmented with AI VM for Data Science.

B. Oracle Data Science Is not excluded from Universal Credit.

C. Oracle Data Science can integrate with Oracle Function.

D. Oracle Data Science does not support per second billing.

Which three are available on Oracle Cloud Infrastructure (OCI) as load balancing policies?

A. Least Connections

B. Round Robin

C. Random

D. Least CPU Utilization

E. IP Hash

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