1Z0-1089-20 Pre-Exam Practice Tests | (Updated 57 Questions)
Valid 1Z0-1089-20 Exam Q&A PDF - One Year Free Update
NEW QUESTION 34
What three data sources can Oracle Data Science draw from?
- A. Google Cloud Object Storage
- B. On-premise Oracle database
- C. Autonomous Data Warehouse
- D. Azure Object Storage Blob
- E. AWS S3 buckets
Answer: A,B,C
NEW QUESTION 35
Which is NOT an advantage associated with moving a Big Data workload to Oracle Cloud Infrastructure (OCI)?
- A. dynamically scale capacity against workload
- B. availability of Oracle Airflow
- C. Object Storage as Data Lake
- 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 36
Which three Hadoop distributions are supported on Oracle Cloud Infrastructure (OCI)?
- A. Hortonworks
- B. MapR
- C. Cloudera
- D. Apache Hadoop
- E. Pivotal EMC
Answer: A,C,D
NEW QUESTION 37
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 38
You are building a file system of 10TB Storage Capacity with only one file server using "Balanced Elastic Performance tier" Oracle Cloud Infrastructure (OCI) Block Volume Storage. Balanced Elastic Performance tier throughtput scales at 480 KBPS/GB up to a maximum of 480 MBPS per volume.
Which two options are correct about how many Block Volumes you can attach to the file server to get maximum IO throughput?
- A. 20 Block Volumes of 500GB size
- B. One Block Volume of 10TB size
- C. 10 Block Volumes of 1TB size
- D. 8 Block Volumes of 1.25TB size
Answer: B
NEW QUESTION 39
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. Open a remote serial console.
- C. Install a desktop and a VNC server.
- D. Install Open MPl for distributed GPU access.
Answer: A
NEW QUESTION 40
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. 6 Block Volumes of 32 TB
- B. 7 Block Volumes of 800 GB
- C. 5 Block Volumes of 32 TD
- D. 32 Block Volumes of 800 GB
Answer: A
NEW QUESTION 41
A customer has a Spark workload they are considering moving to Oracle Cloud Infrastructure (OCI). What option should they consider?
- A. Self-managed Spark deployment
- B. Self-managed Hadoop deployment
- C. Big Data Service
- D. Oracle Data Flow
Answer: D
NEW QUESTION 42
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 BM.HPC2.36.
- B. Switch to ESS mode.
- C. Switch to FSS for your file system.
- D. Use Cluster Networking.
Answer: B
NEW QUESTION 43
What are two different types of Storage offerings available to build a filesystem on Oracle Cloud infrastructure (OCI)?
- A. Local NVMe SSDs on DenselO and HPC compute shapes
- B. Object Storage
- C. Block Volume Service
- D. File Storage
Answer: B
NEW QUESTION 44
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 45
Which benchmark is important to a customer when considering 0lg Data workloads on Oracle Cloud Infrastructure (OCI)?
- A. Terasort
- B. TPC-DS
- C. TPC-DI
- D. TPC-C
Answer: C
NEW QUESTION 46
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 47
Which two Oracle Cloud Infrastructure (OCI) storage options are supported for direct HDFS use in Hadoop?
- A. Object Storage
- B. DenselO NVMe
- C. Block Volume
- D. FSS
Answer: B,D
NEW QUESTION 48
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 latency.
- C. Maximize throughput.
- D. Minimize throughput while keeping the latency low.
Answer: C
NEW QUESTION 49
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 50
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 51
Which three are available on Oracle Cloud Infrastructure (OCI) as load balancing policies?
- A. Round Robin
- B. IP Hash
- C. Random
- D. Least CPU Utilization
- E. Least Connections
Answer: A,B,E
NEW QUESTION 52
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 53
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 54
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 55
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. CPU processor clock speed for faster processing
- C. Low Latency
- D. High IOPS
Answer: A
NEW QUESTION 56
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