最新（2022)Oracle 1Z0-1089-20試験問題集
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質問 21
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. Data Transfer Appliance
- B. GoldenGate
- C. Distcp
- D. Object Storage
- E. Fast Connect
正解: C
質問 22
What minimum size of block volume with Balanced performance tier maximizes throughput for large files?
- A. 32TB
- B. 10TB
- C. 1TB
- D. 100GB
正解: A
質問 23
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. Turbo Frequency
- C. Base Frequency
- D. All Core Turbo Frequency
正解: B
質問 24
Which statement explains how instances are distributed in an instance pool?
- A. The instances in a pool are distributed evenly between two fault domains.
- 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. The instances In a pool are distributed between availability domains only.
- E. It is not possible to distribute instances across availability domains or fault domains.
正解: C
質問 25
Which Statement Is NOT correct?
- A. Oracle Data Science can integrate with Oracle Function.
- B. Oracle Data Science is augmented with AI VM for Data Science.
- C. Oracle Data Science Is not excluded from Universal Credit.
- D. Oracle Data Science does not support per second billing.
正解: A
質問 26
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 all protocols for your specific IP address.
- B. Create a Stateless Egress rule for port 22-
- C. No other additional rules are needed. It is possible to connect as is.
- D. Open TCP ports 5900 to 5910 for 0.0.0.0/0.
正解: D
質問 27
Which is an accurate analogy for Amdahl's law?
- A. In track and field, the 4xl00m relay is only 17% faster than the world record for individual 400m.
- B. 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.
- C. There Is no such thing as a free lunch.
- D. An orchestra can only play well together If they have a great conductor.
正解: B
質問 28
Which performance benchmark tool CANNOT be used to measure IO throughput for Linux based filesystems?
- A. iPerf
- B. IO500
- C. IOR
- D. Vdbench
- E. FIO
正解: C
質問 29
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 2: 172.16.0.0/16 for TCP port 22
- B. Subnet1: 172.16-1.0/24 for port 22, subnet2: 172.16.1.0/24 for all TCP/UDP ports
- C. Subnet1: 0.0.0.0 for all TCP/UDP ports, subnet2: 172.16.0.0/16 for all TCP/UDP ports
- D. Subnet1: 0-0.0.0 for TCP port 22, subnet 1 and 2: 172.16.0.0/23 for all TCP/UDP ports
正解: B
質問 30
Which statement Is correct about deleting an Instance Pool?
- A. Instances and boot volumes will be deleted.
- B. Only the Instances will be deleted.
- C. Associated Instances and attached boot volumes will be deleted; block volumes will be detached.
- D. Instances and block volumes will be deleted.
- E. Nothing will be deleted.
正解: C
質問 31
Which three are available on Oracle Cloud Infrastructure (OCI) as load balancing policies?
- A. Round Robin
- B. Least CPU Utilization
- C. Random
- D. Least Connections
- E. IP Hash
正解: A,D,E
質問 32
A customer 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. The workload requires about 4GB/core of memory.
- B. The workload is embarrassingly parallel.
- C. IO speed has a huge impact.
- D. Total number of processes is between 48 and 128 cores and can use RDMA.
正解: B
質問 33
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. You have Bare Metal instances.
- C. Monitoring Is enabled on the instances in the instance pool.
- D. You have an instance pool.
- E. You have a load balancer.
正解: B,C,E
質問 34
Which Is a common business problem for customers running Big Data workloads?
- A. Cost associated with Disaster Recovery for large deployments
- B. Ability to process a small data set at the minimum cost as possible
- C. Costs associated to process a large scale data set
- D. Ability to process a large data set at the maximum cost as possible
正解: C
質問 35
What two types of workloads can benefit from Cluster Networking (RDMA)?
- A. HPC File Server
- B. Movie Rendering
- C. Computational Fluid Dynamic
- D. Monte Carlo Risk analysis
正解: A,D
質問 36
Which two Oracle Cloud Infrastructure (OCI) shapes are a good choice for Spark based workloads?
- A. VM Standard
- B. HPC
- C. GPU
- D. BM Standard
正解: B,D
質問 37
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. 10 Block Volumes of 1TB size
- B. 20 Block Volumes of 500GB size
- C. One Block Volume of 10TB size
- D. 8 Block Volumes of 1.25TB size
正解: C
質問 38
Which Message Passing Interface (MPI) distribution is NOT available today?
- A. Open MPI
- B. Intel MPI
- C. OCI MPI
- D. Platform MPI
正解: B
質問 39
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