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Pass Oracle 1Z0-1089-21 Exam With Practice Test Questions Dumps Bundle
NEW QUESTION 32
You have an HPC cluster running tightly coupled MPI jobs without VPN or Fast Connect.
The compute nodes are onsubnet2(172.16.1.0/24), and there is a BM.Dense.I02.8 on subnet1 (172-16.0.0/24) that will serve as a bastion and file server.
What security lists should you choose to be able to run the workloads while limiting access as possible?
- A. Subnet1: 0.0.0.0 for all protocols, subnet2: 172.16.0-0/16 for all protocols
- B. Subnet1: 0.0.0.0 forTCP port 22, subnet 1 and 2: 172.16.0.0/23 for all protocols
- C. Subnet1: 0.0.0.0 for TCP port 27, subnet 7: 172.16.0.0/16 for TCP port 22
- D. Subnet1: 172.16.1.0/24 for port 22, subnet2: 172.16.1.0/24 for all protocols
Answer: A
NEW QUESTION 33
Acustomer 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. IO speed has a huge impact.
- B. Total number of processes is between 48 and 128 cores and can useRDMA.
- C. The workload is embarrassingly parallel.
- D. The workload requires about 4GB/core of memory.
Answer: C
NEW QUESTION 34
What minimum size of block volume with Balanced performance tier maximizes throughput for large files?
- A. 100GB
- B. 32TB
- C. 10TB
- D. 1TB
Answer: B
NEW QUESTION 35
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 acrossfault domains, the oldest instance within the fault domain is terminated.
Answer: A
NEW QUESTION 36
A customer has decided to use Oracle Cloud Infrastructure (OCI) for theirDisaster 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 in near-realtime.
- B. Replicate data to OCI Object Storage every hour.
- C. Replicate data to a Hadoop cluster running on OCI in near-realtime.
- D. Use Terraform to rapidly provision Hadoop Cluster on OCI.
Answer: D
NEW QUESTION 37
Which performance benchmark tool CANNOT be used to measure IO throughput for Linux based filesystems?
- A. IO500
- B. iPerf
- C. IOR
- D. Vdbench
- E. FIO
Answer: C
NEW QUESTION 38
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 39
A file system is built using BM.Standard2.52 Compute shape for File Servers. One 25 Gbps NIC/network card is used to connect to 10 Block Volumes of 1TB each (max. 4#0MB/s per volume). The 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 IO theoretical throughput a client node can get?
- A. 6250 MB/s
- B. 4800 MB/s
- C. 3125 MB/s
- D. 2050 MB/s
Answer: C
NEW QUESTION 40
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 41
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 42
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 43
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 44
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 45
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 Systemwith 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 46
Which three are available on Oracle Cloud Infrastructure (OCI) asload balancing policies?
- A. IP Hash
- B. Round Robin
- C. Random
- D. Least CPU Utilization
- E. Least Connections
Answer: A,B,E
NEW QUESTION 47
You've spun up a GPU instance with the standard OEL linage (GPU version) from theconsole 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 a desktop and a VNC server.
- B. Open a remote serial console.
- C. Install Open MPl for distributed GPU access.
- D. Install NVIDIA drivers.
Answer: D
NEW QUESTION 48
You are running a cluster using multiple BM.Standard2.52 machines. Themodel 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 ClusterNetworking.
- B. Switch to FSS for your file system.
- C. Use BM.HPC2.36.
- D. Switch to ESS mode.
Answer: D
NEW QUESTION 49
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