[2021] Use Valid New Free 1Z0-1089-20 Exam Dumps & Answers
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NEW QUESTION 12
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. Fast Connect
- D. Distcp
- E. Object Storage
Answer: D
NEW QUESTION 13
When an instance pool scales in, what is the correct order that the instances are terminated?
- A. 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.
- B. 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.
- C. 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.
- D. 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.
Answer: D
NEW QUESTION 14
You are building a filesystem to maximize throughput of large files using high performance block volume and BM.Standard2.52 as file server.
Which block volume configuration should you choose to ensure aggregate Block volume throughput is higher than network bandwidth of a file server?
- A. 32 Block Volumes of 800GB
- B. 6 Block Volumes of 32 TB
- C. 7 Block Volumes of 800GB
- D. 5 Block Volume of 32 TB
Answer: C
NEW QUESTION 15
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 16
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. Use Terraform to rapidly provision Hadoop Cluster on OCI.
- C. Replicate data to a Hadoop cluster running on OCI in near-realtime.
- D. Replicate data to OCI Object Storage in near-realtime.
Answer: B
NEW QUESTION 17
Which performance benchmark tool CANNOT be used to measure IO throughput for Linux based filesystems?
- A. Vdbench
- B. IO500
- C. FIO
- D. IOR
- E. iPerf
Answer: D
NEW QUESTION 18
Which Is a common business problem for customers running Big Data workloads?
- A. Costs associated to process a large scale data set
- B. Ability to process a large data set at the maximum cost as possible
- C. Ability to process a small data set at the minimum cost as possible
- D. Cost associated with Disaster Recovery for large deployments
Answer: A
NEW QUESTION 19
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 not distributed across fault domains.
- C. The instances in a pool are distributed across all fault domains In a best-effort manner based on capacity.
- D. It is not possible to distribute instances across availability domains or fault domains.
- E. The instances in a pool are distributed evenly between two fault domains.
Answer: C
NEW QUESTION 20
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 throughput.
- B. Maximize Latency while keeping throughput above a certain threshold.
- C. Minimize throughput while keeping the latency low.
- D. Minimize latency.
Answer: A
NEW QUESTION 21
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.E3-128
- D. 1: BM.HPC2.36 2: BM.Standard.2.52
Answer: C
NEW QUESTION 22
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: 0-0.0.0 for TCP port 22, subnet 1 and 2: 172.16.0.0/23 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: 172.16-1.0/24 for port 22, subnet2: 172.16.1.0/24 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: C
NEW QUESTION 23
What two types of workloads can benefit from Cluster Networking (RDMA)?
- A. Computational Fluid Dynamic
- B. Monte Carlo Risk analysis
- C. Movie Rendering
- D. HPC File Server
Answer: B,D
NEW QUESTION 24
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. High IOPS
- B. Low Latency
- C. CPU processor clock speed for faster processing
- D. Amount of Memory on file servers
Answer: D
NEW QUESTION 25
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 TCP ports 5900 to 5910 for 0.0.0.0/0.
- B. No other additional rules are needed. It is possible to connect as is.
- C. Open all protocols for your specific IP address.
- D. Create a Stateless Egress rule for port 22-
Answer: A
NEW QUESTION 26
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. Storage > Network Bandwidth > Number of Compute Cores/RAM
- B. Number of Compute Cores/RAM > Storage > Network Bandwidth
- C. Network Bandwidth > Number of Compute Cores/RAM > Storage
- D. Network Bandwidth > Storage > Number of Compute Cores/RAM
Answer: C
NEW QUESTION 27
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. 172.16.32.0/23
- C. 10.0.1.0/23
- D. 10.0.1.0/24
Answer: B
NEW QUESTION 28
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 NVIDIA drivers.
- B. Install Open MPl for distributed GPU access.
- C. Install a desktop and a VNC server.
- D. Open a remote serial console.
Answer: A
NEW QUESTION 29
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. Only the network throughput will influence Monte Carlo simula-tions.
- B. Base Frequency
- C. All Core Turbo Frequency
- D. Turbo Frequency
Answer: D
NEW QUESTION 30
What are the three components for configuring autoscallng on Oracle Cloud Infrastructure (OCI)?
- A. The instance pool supports the maximum number of instances that you want to scale to.
- B. Monitoring Is enabled on the instances in the instance pool.
- C. You have a load balancer.
- D. You have Bare Metal instances.
- E. You have an instance pool.
Answer: B,C,D
NEW QUESTION 31
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