[2021] New 1Z0-1089-20 exam dumps Use Updated Oracle Exam
Verified 1Z0-1089-20 Dumps Q&As - 1Z0-1089-20 Test Engine with Correct Answers
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NEW QUESTION 23
Which is NOT an advantage associated with moving a Big Data workload to Oracle Cloud Infrastructure (OCI)?
- A. best price / performance for Big Data workloads In the Cloud
- B. Object Storage as Data Lake
- C. dynamically scale capacity against workload
- D. availability of Oracle Airflow
- E. managed service offerings to support common Big Data workloads
Answer: E
NEW QUESTION 24
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 25
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 one Block volume of 3TB volume size and use filesystem Block size of 2M or higher.
- B. Attach three Block volumes of 1TB each and use filesystem Block size of 2M or higher.
- C. Attach three Block volumes of 1TB each and use filesystem Block size of 4K.
- D. Attach one Block volume of 3TB volume size and use filesystem Block size of 4K.
Answer: D
NEW QUESTION 26
Which two Oracle Cloud Infrastructure (OCI) storage options are supported for direct HDFS use in Hadoop?
- A. DenselO NVMe
- B. Block Volume
- C. Object Storage
- D. FSS
Answer: A,D
NEW QUESTION 27
A two node clustered/parallel filesystem built using Baremetal Compute shape (BM.Standard2.52) and Block Volume Storage delivers maximum sustained aggregate IO throughput of 5GB/s for read and write, while storing a single copy of the data (replica=l) in filesystem.
What will be the maximum sustained aggregate IO throughput for read and write, when two copies of the data (replica=2) are stored in filesystem for High Availability?
- A. 2.5GB/S for write and 5GB/s for read
- B. 2.5GB/s for both (read and write)
- C. 2.5GB/s for read and 5GB/s for write
- D. 5GB/s for both (read and write)
Answer: B
NEW QUESTION 28
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. Big Data Service
- C. Self-managed Hadoop deployment
- D. Oracle Data Flow
Answer: D
NEW QUESTION 29
What minimum size of block volume with Balanced performance tier maximizes throughput for large files?
- A. 32TB
- B. 10TB
- C. 1TB
- D. 100GB
Answer: A
NEW QUESTION 30
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. There Is no such thing as a free lunch.
- D. In track and field, the 4xl00m relay is only 17% faster than the world record for individual 400m.
Answer: A
NEW QUESTION 31
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. Network File System (NFS)
- B. Linux File Systems like XFS, EXT4, EXT3, etc.
- C. Distributed File Systems like Gluster, OCFS2, GFS2
- D. Parallel File Systems like Lustre, IBM Spectrum Scale(GPFS), BeeGFS, etc.
Answer: C
NEW QUESTION 32
On Oracle Cloud Infrastructure (OCI), a customer wants to build a 3TB fllesystem for high throughput-oriented workloads.
Which action provides the highest IO 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 three Block volumes of 1TB each and use filesystem Block size of 1M or higher.
- C. Attach three Block volumes of 1TB each and use fllesystem Block size of 256K or lower.
- D. Attach one Block volume of 3TB volume size and use fllesystem Block size of 256K or lower.
Answer: D
NEW QUESTION 33
Which two Oracle Cloud Infrastructure (OCI) shapes are a good choice for Spark based workloads?
- A. GPU
- B. BM Standard
- C. VM Standard
- D. HPC
Answer: B,D
NEW QUESTION 34
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. 2050 MB/s
- B. 4800 MB/s
- C. 3125 MB/s
- D. 6250 MB/s
Answer: C
NEW QUESTION 35
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 36
Which Message Passing Interface (MPI) distribution is NOT available today?
- A. Open MPI
- B. Intel MPI
- C. Platform MPI
- D. OCI MPI
Answer: B
NEW QUESTION 37
On a RDMA cluster, a latency test was conducted, with these results:
What should you do?
- A. Rerun the test and see If It Is consistent.
- B. Nothing, this behavior is normal.
- C. Latency Is not critical, check the bandwidth.
- D. Report the higher latency through a SR.
Answer: B
NEW QUESTION 38
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 39
Which Statement Is NOT correct?
- A. Oracle Data Science does not support per second billing.
- B. Oracle Data Science Is not excluded from Universal Credit.
- C. Oracle Data Science can integrate with Oracle Function.
- D. Oracle Data Science is augmented with AI VM for Data Science.
Answer: C
NEW QUESTION 40
Which two options are valid when configuring health check policies in Oracle Cloud Infrastructure (OCI) Load Balancing?
- A. FTP level health checks
- B. HTTP level health checks
- C. TCP level health checks
- D. UDP level health checks
Answer: B,C
NEW QUESTION 41
Which workload is massively parallel In nature?
- A. SQL Queries
- B. ETL
- C. Map/Reduce
- D. Streaming
Answer: C
NEW QUESTION 42
Which two performance metrics can be used to trigger scaling actions In Autoscaling?
- A. Disk IOPS
- B. Network throughput
- C. Memory utilization
- D. Network latency
- E. CPU utilization
Answer: B,C
NEW QUESTION 43
Which statement correctly describes Oracle Data Science?
- A. It provides management for on-premise machine learning models.
- B. It enables data science teams to build, train, and manage machine learning models on Oracle Cloud.
- C. It is primarily focused on supporting a single data scientist.
- D. Oracle's Data Science model catalog holds contains only the model artifact.
Answer: A
NEW QUESTION 44
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 45
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