1Z0-1089-21試験問題集合格させるのは2022年最新の認証済み試験問題
1Z0-1089-21試験問題でリアルに更新された問題PDF
質問 13
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%
正解: A
質問 14
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.
正解: C
質問 15
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
正解: D,E
質問 16
Which benchmark is important to a customer when considering 0lg Data workloads on Oracle Cloud Infrastructure (OCI)?
- A. TPC-DI
- B. Terasort
- C. TPC-DS
- D. TPC-C
正解: A
質問 17
On Oracle Cloud Infrastructure (OCI), a customer wants to build a3TB 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 4K.
- 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 2M or higher.
正解: A
質問 18
When running a high memory workload, what should be your machine of choice?
- A. BM.HPC2.36
- B. BM.Standard.E2.64
- C. BM.GPU3.8
- D. BM.Standard.E3.128
正解: D
質問 19
You have two different workloads, workload 1 does not scale very well (~100 cores) and requires a very high memory bandwidth, and a workload 2 that Is compute bound and IO intensive.
Which Instances shouldyou select?
- A. 1: BM.HPC2.36 2: BM.Standard.2.52
- B. 1: BM.Standard.E3.128 2: BM.HPC2.36
- C. 1: BM.Standard-2.52 2: BM.HPC2-36
- D. 1: BM.HPC2.36 2: BM.Standard.E3-128
正解: D
質問 20
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
正解: D
質問 21
You are building a filesystem 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 pervolume.
Which two options are correct about how many Block Volumes you can attach to the file server to get maximum IO throughput?
- A. 8 Block Volumes of 1.25TB size
- B. One Block Volume of 10TB size
- C. 10 Block Volumes of 1TB size
- D. 20 Block Volumes of 500GB size
正解: B
質問 22
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
正解: A
質問 23
Which statement explains how instances are distributed in an instance pool?
- A. The instances in a pool are distributed across all fault domains In a best-effortmanner based on capacity.
- B. The instances In a pool are distributed between availability domains only.
- C. It is not possible to distribute instances across availability domains or fault domains.
- D. The instances in a pool are distributed evenly between two fault domains.
- E. The instances in a pool are not distributed across fault domains.
正解: A
質問 24
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
正解: D
質問 25
Which Is a common business problem for customers running Big Data workloads?
- A. Ability to process a small data set at the minimum cost as possible
- B. Costs associated to process a large scale data set
- C. Ability to process a large data set at the maximum cost as possible
- D. Cost associated with Disaster Recovery for large deployments
正解: B
質問 26
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.
正解: D
質問 27
You are building a file system that needs to handle large files with a lot of nodes reading at the same time.
What minimum size of block volume maximizes throughput for large files?
- A. 800GB
- B. 32TB
- C. 1TB
- D. 500GB
正解: A
質問 28
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