1Z0-1089-20 Online Practice Questions and Answers

On Oracle Cloud Infrastructure (OCI), a customer wants to build a 3TB fllesystem for high throughput-oriented workloads.

Which action provides the highest IO throughput using OCI block volumes for storage?

A. Attach one Block volume of 3TB volume size and use fllesystem Block size of 256K or lower.

B. Attach one Block volume of 3TB volume size and use fllesystem Block size of 1M or higher.

C. Attach three Block volumes of 1TB each and use fllesystem Block size of 256K or lower.

D. Attach three Block volumes of 1TB each and use filesystem Block size of 1M or higher.

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.

You are building a RDMA cluster on a private network with 10000 cores. What CIDR will work in the VCN: 172.16.0.0/16?

A. 172.16.32.0/23

B. 10.0.1.0/23

C. 172.16.32,0/16

D. 10.0.1.0/24

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.

What are two different types of Storage offerings available to build a filesystem on Oracle Cloud infrastructure (OCI)?

A. Block Volume Service

B. Local NVMe SSDs on DenselO and HPC compute shapes

C. File Storage

D. Object Storage

Which statement explains how instances are distributed in an instance pool?

A. The instances In a pool are distributed between availability domains only.

B. The instances in a pool are distributed evenly between two fault domains.

C. The instances in a pool are not distributed across fault domains.

D. The instances in a pool are distributed across all fault domains In a best-effort manner based on capacity.

E. It is not possible to distribute instances across availability domains or fault domains.

A customer wants to store small files (KBs) workload in a filesystem.

What two options should you use to measure performance for this filesystem?

A. Amount of Memory on file servers

B. CPU processor clock speed for faster processing

C. High IOPS

D. Low Latency

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

What three data sources can Oracle Data Science draw from?

A. Google Cloud Object Storage

B. Autonomous Data Warehouse

C. On-premise Oracle database

D. Azure Object Storage Blob

E. AWS S3 buckets

Which statement Is correct about deleting an Instance Pool?

A. Nothing will be deleted.

B. Instances and boot volumes will be deleted.

C. Associated Instances and attached boot volumes will be deleted; block volumes will be detached.

D. Instances and block volumes will be deleted.

E. Only the Instances will be deleted.

Which performance benchmark tool CANNOT be used to measure IO throughput for Linux based filesystems?

A. IOR

B. IO500

C. Vdbench

D. FIO

E. iPerf

What HDFS replication factor can be used with Block Volumes to optimize cost?

A. 3

B. 1

C. 4

D. 2

Which is an accurate analogy for Amdahl's law?

A. There Is no such thing as a free lunch.

B. An orchestra can only play well together If they have a great conductor.

C. 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.

D. In track and field, the 4xl00m relay is only 17% faster than the world record for individual 400m.

What minimum size of block volume with Balanced performance tier maximizes throughput for large files?

A. 10TB

B. 1TB

C. 32TB

D. 100GB