Use Real 1Z0-1089-20 - 100% Cover Real Exam Questions [Sep-2021]
Dumps Brief Outline Of The 1Z0-1089-20 Exam - ValidBraindumps
NEW QUESTION 26
Which two performance metrics can be used to trigger scaling actions In Autoscaling?
- A. Memory utilization
- B. CPU utilization
- C. Disk IOPS
- D. Network latency
- E. Network throughput
Answer: A,E
NEW QUESTION 27
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 28
You are building a file system 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 per volume.
Which two options are correct about how many Block Volumes you can attach to the file server to get maximum IO throughput?
- A. 20 Block Volumes of 500GB size
- B. One Block Volume of 10TB size
- C. 10 Block Volumes of 1TB size
- D. 8 Block Volumes of 1.25TB size
Answer: B
NEW QUESTION 29
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. Build a file-system using NVMe on Dense shapes. Then move the data to object storage when not needed.
- C. Build a file system using Block volumes and Standard BMs, take advantage of the different block volume performances levels.
- D. Use NVMe on HPC shapes to build a File System with the RDMA connection.
Answer: B
NEW QUESTION 30
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. Low Latency
- D. High IOPS
Answer: A
NEW QUESTION 31
When an instance pool scales in, what is the correct order that the instances are terminated?
- A. The number of instances is balanced across availability domains, the number of instances is balanced across fault domains, the oldest instance within the fault domain is terminated.
- B. The oldest instance within the fault domain is terminated, the number of instances is balanced across availability domains, the number of instances is balanced across fault domains.
- C. The number of instances is balanced across availability domains, the oldest instance within the fault domain is terminated, the number of instances Is balanced across fault domains.
- D. The number of instances is balanced across fault domains, the number of instances is balanced across fault domains, the oldest instance within the fault domain is terminated.
Answer: A
NEW QUESTION 32
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
Answer: D
NEW QUESTION 33
Which two Oracle Cloud Infrastructure (OCI) storage options are supported for direct HDFS use in Hadoop?
- A. Object Storage
- B. DenselO NVMe
- C. Block Volume
- D. FSS
Answer: B,D
NEW QUESTION 34
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 35
When running a high memory workload, what should be your machine of choice?
- A. BM.Standard.E3.128
- B. BM.Standard.E2.64
- C. BM.HPC2.36
- D. BM.GPU3.8
Answer: A
NEW QUESTION 36
Which two Oracle Cloud Infrastructure (OCI) shapes are a good choice for Spark based workloads?
- A. GPU
- B. BM Standard
- C. HPC
- D. VM Standard
Answer: B,C
NEW QUESTION 37
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. Parallel File Systems like Lustre, IBM Spectrum Scale(GPFS), BeeGFS, etc.
- B. Linux File Systems like XFS, EXT4, EXT3, etc.
- C. Distributed File Systems like Gluster, OCFS2, GFS2
- D. Network File System (NFS)
Answer: C
NEW QUESTION 38
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. Self-managed Hadoop deployment
- C. Big Data Service
- D. Oracle Data Flow
Answer: D
NEW QUESTION 39
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. Object Storage
- D. Fast Connect
- E. Distcp
Answer: E
NEW QUESTION 40
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.
Answer: A
NEW QUESTION 41
Which workload is massively parallel In nature?
- A. Map/Reduce
- B. SQL Queries
- C. Streaming
- D. ETL
Answer: A
NEW QUESTION 42
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. Use Terraform to rapidly provision Hadoop Cluster on OCI.
- B. Replicate data to OCI Object Storage every hour.
- C. Replicate data to a Hadoop cluster running on OCI in near-realtime.
- D. Replicate data to OCI Object Storage in near-realtime.
Answer: A
NEW QUESTION 43
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 randomly maps source data and increases output to a bigger data set.
- C. It maps and reduces one terabyte of data into a smaller data set.
- D. It maps and reduces source data in a parallel manner, leveraging data locality to minimize network transfer.
Answer: A
NEW QUESTION 44
What three data sources can Oracle Data Science draw from?
- A. Google Cloud Object Storage
- B. On-premise Oracle database
- C. Autonomous Data Warehouse
- D. Azure Object Storage Blob
- E. AWS S3 buckets
Answer: A,B,C
NEW QUESTION 45
Which three Hadoop distributions are supported on Oracle Cloud Infrastructure (OCI)?
- A. Hortonworks
- B. MapR
- C. Cloudera
- D. Apache Hadoop
- E. Pivotal EMC
Answer: A,C,D
NEW QUESTION 46
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 read and 5GB/s for write
Answer: C
NEW QUESTION 47
Which Is a common business problem for customers running Big Data workloads?
- A. Ability to process a large data set at the maximum cost as possible
- B. Ability to process a small data set at the minimum 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 48
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