Oracle Cloud Infrastructure 1Z0-1089-20 Dumps | Updated Jul 16, 2021 - Exam4Tests
Master 2021 Latest The Questions Oracle Cloud Infrastructure and Pass 1Z0-1089-20 Real Exam!
NEW QUESTION 13
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 14
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 15
What are the three components for configuring autoscallng on Oracle Cloud Infrastructure (OCI)?
- A. You have a load balancer.
- B. You have an instance pool.
- C. The instance pool supports the maximum number of instances that you want to scale to.
- D. Monitoring Is enabled on the instances in the instance pool.
- E. You have Bare Metal instances.
Answer: A,D,E
NEW QUESTION 16
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.2.52
- D. 1: BM.HPC2.36 2: BM.Standard.E3-128
Answer: D
NEW QUESTION 17
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 18
You are building a file system that needs to handle large files with a lot of nodes reading at the same time.
What minimum size of block volume maximizes throughput for large files?
- A. 32TB
- B. 1TB
- C. 500GB
- D. 800GB
Answer: D
NEW QUESTION 19
Which Message Passing Interface (MPI) distribution is NOT available today?
- A. OCI MPI
- B. Intel MPI
- C. Platform MPI
- D. Open MPI
Answer: B
NEW QUESTION 20
Which is an accurate analogy for Amdahl's law?
- A. 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.
- B. An orchestra can only play well together If they have a great conductor.
- C. In track and field, the 4xl00m relay is only 17% faster than the world record for individual 400m.
- D. There Is no such thing as a free lunch.
Answer: A
NEW QUESTION 21
A customer 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. Total number of processes is between 48 and 128 cores and can use RDMA.
- B. The workload requires about 4GB/core of memory.
- C. IO speed has a huge impact.
- D. The workload is embarrassingly parallel.
Answer: D
NEW QUESTION 22
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 23
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 24
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. 66%
- B. 75%
- C. 100%
- D. 50%
Answer: D
NEW QUESTION 25
Which workload is massively parallel In nature?
- A. Map/Reduce
- B. SQL Queries
- C. Streaming
- D. ETL
Answer: A
NEW QUESTION 26
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. 172.16.32,0/16
- B. 10.0.1.0/24
- C. 10.0.1.0/23
- D. 172.16.32.0/23
Answer: D
NEW QUESTION 27
Which two options are valid when configuring health check policies in Oracle Cloud Infrastructure (OCI) Load Balancing?
- A. FTP level health checks
- B. TCP level health checks
- C. UDP level health checks
- D. HTTP level health checks
Answer: B,D
NEW QUESTION 28
On Oracle Cloud Infrastructure (OCI), a customer wants to build a 3TB filesystem for high IOPS workloads (like relational databases, small files, etc).
Which action provides the highest IOPS using OCI block volumes for storage?
- A. Attach three Block volumes of 1TB each and use filesystem Block size of 4K.
- B. Attach one Block volume of 3TB volume size and use filesystem Block size of 4K.
- C. Attach three Block volumes of 1TB each and use filesystem Block size of 2M or higher.
- D. Attach one Block volume of 3TB volume size and use filesystem Block size of 2M or higher.
Answer: B
NEW QUESTION 29
Which Statement Is NOT correct?
- A. Oracle Data Science Is not excluded from Universal Credit.
- B. Oracle Data Science can integrate with Oracle Function.
- C. Oracle Data Science does not support per second billing.
- D. Oracle Data Science is augmented with AI VM for Data Science.
Answer: B
NEW QUESTION 30
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 31
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 32
What minimum size of block volume with Balanced performance tier maximizes throughput for large files?
- A. 32TB
- B. 100GB
- C. 1TB
- D. 10TB
Answer: A
NEW QUESTION 33
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 34
Which statement correctly describes Oracle Data Science?
- A. It provides management for on-premise machine learning models.
- B. It is primarily focused on supporting a single data scientist.
- C. Oracle's Data Science model catalog holds contains only the model artifact.
- D. It enables data science teams to build, train, and manage machine learning models on Oracle Cloud.
Answer: A
NEW QUESTION 35
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