[2022] 1Z0-1089-21 Exam Dumps, Test Engine Practice Test Questions
Pass 1Z0-1089-21 exam [Jan 24, 2022] Updated 56 Questions
NEW QUESTION 27
Which two options are valid when configuring health check policies in Oracle Cloud Infrastructure (OCI) Load Balancing?
- A. TCP level health checks
- B. UDP level health checks
- C. HTTP level health checks
- D. FTP level health checks
Answer: A,C
NEW QUESTION 28
Which three Hadoop distributions are supported on Oracle Cloud Infrastructure (OCI)?
- A. Hortonworks
- B. MapR
- C. Pivotal EMC
- D. Cloudera
- E. Apache Hadoop
Answer: A,D,E
NEW QUESTION 29
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 30
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 31
Which Message Passing Interface (MPI) distribution is NOT available today?
- A. Open MPI
- B. OCI MPI
- C. Intel MPI
- D. Platform MPI
Answer: C
NEW QUESTION 32
What three data sources can Oracle Data Science draw from?
- A. Azure ObjectStorage Blob
- B. AWS S3 buckets
- C. Google Cloud Object Storage
- D. Autonomous Data Warehouse
- E. On-premise Oracle database
Answer: C,D,E
NEW QUESTION 33
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? Ifmultiple 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 34
On Oracle Cloud Infrastructure (OCI), a customer wants to build a 3TB fllesystem for high throughput-oriented workloads.
Which action provides the highestIO throughput using OCI block volumes for storage?
- A. Attach one Block volume of 3TB volume size and use fllesystem Block size of 1M or higher.
- B. Attach one Block volume of 3TB volume size and use fllesystem Block size of 256K or lower.
- C. Attach three Block volumes of 1TB each and use filesystem Block size of 1M or higher.
- D. Attach threeBlock volumes of 1TB each and use fllesystem Block size of 256K or lower.
Answer: B
NEW QUESTION 35
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 36
Which statement correctly describes Oracle Data Science?
- A. It enables data science teams to build, train, and manage machine learning models on Oracle Cloud.
- B. Oracle's Data Science model catalog holds contains only the model artifact.
- C. It provides management for on-premise machine learning models.
- D. It is primarily focused on supporting a single data scientist.
Answer: C
NEW QUESTION 37
A customer ran aJob 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. 50%
- B. 100%
- C. 66%
- D. 75%
Answer: A
NEW QUESTION 38
A file system is built using two BM.Standard2.52Compute 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.
Filesystem 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 39
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. 7 Block Volumes of 800GB
- B. 5Block Volume of 32 TB
- C. 32 Block Volumes of 800GB
- D. 6 Block Volumes of 32 TB
Answer: A
NEW QUESTION 40
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 41
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 42
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. Object Storage
- C. Fast Connect
- D. Distcp
- E. Data Transfer Appliance
Answer: D
NEW QUESTION 43
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 44
Which two Oracle Cloud Infrastructure (OCI) storage options are supported for direct HDFS use in Hadoop?
- A. Object Storage
- B. Block Volume
- C. DenselO NVMe
- D. FSS
Answer: C,D
NEW QUESTION 45
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