[Feb 08, 2022] 1Z0-1089-20 Exam Dumps - Try Best 1Z0-1089-20 Exam Questions - TestPassKing
Verified 1Z0-1089-20 exam dumps Q&As with Correct 57 Questions and Answers
NEW QUESTION 28
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. Use Cluster Networking.
- B. Switch to FSS for your file system.
- C. Use BM.HPC2.36.
- D. Switch to ESS mode.
Answer: D
NEW QUESTION 29
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 30
What HDFS replication factor can be used with Block Volumes to optimize cost?
- A. 0
- B. 1
- C. 2
- D. 3
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. Build a file-system using NVMe on Dense shapes. Then move the data to object storage when not needed.
- B. Use NVMe on HPC shapes to build a File System with the RDMA connection.
- C. Build a file system using Block volumes and Standard BMs, take advantage of the different block volume performances levels.
- D. Put the data in object storage, and mount It using s3fs-fuse project.
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. Turbo Frequency
- C. Base Frequency
- D. Only the network throughput will influence Monte Carlo simula-tions.
Answer: B
NEW QUESTION 33
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. High IOPS
- C. Low Latency
- D. CPU processor clock speed for faster processing
Answer: A
NEW QUESTION 34
What are the three components for configuring autoscallng on Oracle Cloud Infrastructure (OCI)?
- A. You have a load balancer.
- B. Monitoring Is enabled on the instances in the instance pool.
- C. You have an instance pool.
- D. The instance pool supports the maximum number of instances that you want to scale to.
- E. You have Bare Metal instances.
Answer: A,B,E
NEW QUESTION 35
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. Minimize throughput while keeping the latency low.
- C. Maximize throughput.
- D. Minimize latency.
Answer: C
NEW QUESTION 36
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. 7 Block Volumes of 800 GB
- B. 32 Block Volumes of 800 GB
- C. 6 Block Volumes of 32 TB
- D. 5 Block Volumes of 32 TD
Answer: C
NEW QUESTION 37
Which is an accurate analogy for Amdahl's law?
- A. There Is no such thing as a free lunch.
- B. In track and field, the 4xl00m relay is only 17% faster than the world record for individual 400m.
- 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. An orchestra can only play well together If they have a great conductor.
Answer: C
NEW QUESTION 38
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. Network File System (NFS)
- C. Linux File Systems like XFS, EXT4, EXT3, etc.
- D. Parallel File Systems like Lustre, IBM Spectrum Scale(GPFS), BeeGFS, etc.
Answer: A
NEW QUESTION 39
Which statement explains how instances are distributed in an instance pool?
- A. The instances In a pool are distributed between availability domains only.
- B. It is not possible to distribute instances across availability domains or fault domains.
- C. The instances in a pool are distributed evenly between two fault domains.
- D. The instances in a pool are distributed across all fault domains In a best-effort manner based on capacity.
- E. The instances in a pool are not distributed across fault domains.
Answer: D
NEW QUESTION 40
What two types of workloads can benefit from Cluster Networking (RDMA)?
- A. Monte Carlo Risk analysis
- B. Computational Fluid Dynamic
- C. HPC File Server
- D. Movie Rendering
Answer: A,C
NEW QUESTION 41
Which Is a common business problem for customers running Big Data workloads?
- A. Ability to process a small data set at the minimum cost as possible
- B. Costs associated to process a large scale data set
- C. Ability to process a large data set at the maximum cost as possible
- D. Cost associated with Disaster Recovery for large deployments
Answer: B
NEW QUESTION 42
Which is NOT an advantage associated with moving a Big Data workload to Oracle Cloud Infrastructure (OCI)?
- A. availability of Oracle Airflow
- B. Object Storage as Data Lake
- C. dynamically scale capacity against workload
- D. managed service offerings to support common Big Data workloads
- E. best price / performance for Big Data workloads In the Cloud
Answer: D
NEW QUESTION 43
Compute nodes are on subnet2(l72.16.1.0/24) and there is a BM.Dense.I02.8 on subnet1.
(1 /2.16.0.0/24) that will serve as a bastion, file server and license server. The bastion will be accessed through a public IP with SSH.
Which security lists should you choose for an HPC cluster? If multiple options are possible, choose the one limiting access the most.
- A. Subnet1: 172.16-1.0/24 for port 22, subnet2: 172.16.1.0/24 for all TCP/UDP ports
- B. Subnet1: 0-0.0.0 for TCP port 22, subnet 2: 172.16.0.0/16 for TCP port 22
- C. Subnet1: 0-0.0.0 for TCP port 22, subnet 1 and 2: 172.16.0.0/23 for all TCP/UDP ports
- D. Subnet1: 0.0.0.0 for all TCP/UDP ports, subnet2: 172.16.0.0/16 for all TCP/UDP ports
Answer: A
NEW QUESTION 44
A customer has a Spark workload they are considering moving to Oracle Cloud Infrastructure (OCI). What option should they consider?
- A. Big Data Service
- B. Self-managed Hadoop deployment
- C. Self-managed Spark deployment
- D. Oracle Data Flow
Answer: D
NEW QUESTION 45
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. 6250 MB/s
- B. 4800 MB/s
- C. 3125 MB/s
- D. 9600 MB/s
Answer: D
NEW QUESTION 46
Which benchmark is important to a customer when considering 0lg Data workloads on Oracle Cloud Infrastructure (OCI)?
- A. TPC-DI
- B. Terasort
- C. TPC-DS
- D. TPC-C
Answer: A
NEW QUESTION 47
Which two performance metrics can be used to trigger scaling actions In Autoscaling?
- A. Disk IOPS
- B. Network latency
- C. CPU utilization
- D. Network throughput
- E. Memory utilization
Answer: D,E
NEW QUESTION 48
A Linux visualization instance Is in a public subnet with security list 0.0-0.0/0 for TCP port 22. What other rule do you absolutely need to be able to connect remotely?
- A. Open all protocols for your specific IP address.
- B. Open TCP ports 5900 to 5910 for 0.0.0.0/0.
- C. Create a Stateless Egress rule for port 22-
- D. No other additional rules are needed. It is possible to connect as is.
Answer: B
NEW QUESTION 49
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. Number of Compute Cores/RAM > Storage > Network Bandwidth
- C. Storage > Network Bandwidth > Number of Compute Cores/RAM
- D. Network Bandwidth > Storage > Number of Compute Cores/RAM
Answer: A
NEW QUESTION 50
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