Oracle 1Z0-1089-21認証された練習解答、必ずあなたを試験合格させる！[2022]
有効な合格方法Oracle Cloud Infrastructureの1Z0-1089-21試験問題集
Oracle 1Z0-1089-21 認定試験の出題範囲：
| トピック | 出題範囲 |
|---|---|
| トピック 1 |
|
| トピック 2 |
|
| トピック 3 |
|
| トピック 4 |
|
| トピック 5 |
|
| トピック 6 |
|
質問 13
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. High IOPS
- B. Low Latency
- C. Amount of Memory on file servers
- D. CPU processor clock speed for faster processing
正解: C
質問 14
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. 9600 MB/s
- B. 6250 MB/s
- C. 3125 MB/s
- D. 4800 MB/s
正解: A
質問 15
Which three are available on Oracle Cloud Infrastructure (OCI) asload balancing policies?
- A. Least Connections
- B. IP Hash
- C. Round Robin
- D. Random
- E. Least CPU Utilization
正解: A,B,C
質問 16
What does the Terasort phase of the Terasort benchmark do?
- A. It randomly maps source data and reduces output to a smaller data set,
- B. It randomly maps source data and increases output to a bigger data set.
- C. It maps and reduces one terabyte of data into a smaller data set.
- D. Itmaps and reduces source data in a parallel manner, leveraging data locality to minimize network transfer.
正解: A
質問 17
Which workload is massively parallel In nature?
- A. ETL
- B. Streaming
- C. Map/Reduce
- D. SQL Queries
正解: C
質問 18
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: 172.16.1.0/24 for port 22, subnet2: 172.16.1.0/24 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 all protocols, subnet2: 172.16.0-0/16 for all protocols
- D. Subnet1: 0.0.0.0 for TCP port 27, subnet 7: 172.16.0.0/16 for TCP port 22
正解: C
質問 19
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. Cost associated with Disaster Recovery for large deployments
- D. Ability to process a large data set at the maximum cost as possible
正解: B
質問 20
Which two performance metrics can be used to trigger scaling actions In Autoscaling?
- A. Network latency
- B. CPU utilization
- C. Memory utilization
- D. Disk IOPS
- E. Network throughput
正解: C,E
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. 10 Block Volumes of 1TB size
- B. 8 Block Volumes of 1.25TB size
- C. 20 Block Volumes of 500GB size
- D. One Block Volume of 10TB size
正解: D
質問 22
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. AWS S3 buckets
- E. Azure ObjectStorage Blob
正解: A,B,C
質問 23
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. 1TB
- B. 32TB
- C. 500GB
- D. 800GB
正解: D
質問 24
You are building a RDMA cluster on a private network with 10000 cores. What CIDR will work in theVCN:
172.16.0.0/16?
- A. 172.16.32.0/23
- B. 172.16.32,0/16
- C. 10.0.1.0/24
- D. 10.0.1.0/23
正解: A
質問 25
Which two options are valid when configuring health check policies in Oracle Cloud Infrastructure (OCI) Load Balancing?
- A. HTTP level health checks
- B. FTP level health checks
- C. TCP level health checks
- D. UDP level health checks
正解: A,C
質問 26
You've spun up a GPU instance with the standard OEL linage (GPU version) from theconsole network on Oracle Cloud Infrastructure (OCI).
What action do you need to do In order to be able to visualize your desktop remotely?
- A. Open a remote serial console.
- B. Install Open MPl for distributed GPU access.
- C. Install a desktop and a VNC server.
- D. Install NVIDIA drivers.
正解: D
質問 27
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.Standard.E3.128 2: BM.HPC2.36
- B. 1: BM.Standard-2.52 2: BM.HPC2-36
- C. 1: BM.HPC2.36 2: BM.Standard.E3-128
- D. 1: BM.HPC2.36 2: BM.Standard.2.52
正解: C
質問 28
Whichis an accurate analogy for Amdahl's law?
- A. There Is no such thing as a free lunch.
- B. In track and field, the 4xl00m relay is only 17% faster than the world record for individual 400m.
- C. An orchestra can only play well together If they have a great conductor.
- D. 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.
正解: D
質問 29
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. Build a file system using Block volumes and Standard BMs, take advantage of the different block volume performances levels.
- C. Use NVMe on HPC shapes to build a File Systemwith the RDMA connection.
- D. Put the data in object storage, and mount It using s3fs-fuse project.
正解: A
質問 30
Oracle Cloud infrastructure (OCI) Block Volume Storage supportssharing 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. Distributed File Systemslike Gluster, OCFS2, GFS2
- B. Linux File Systems like XFS, EXT4, EXT3, etc.
- C. Network File System (NFS)
- D. Parallel File Systems like Lustre, IBM Spectrum Scale(GPFS), BeeGFS, etc.
正解: A
質問 31
......
Oracle 1Z0-1089-21事前試験練習テストはGoShiken：https://www.goshiken.com/Oracle/1Z0-1089-21-mondaishu.html