Oracle 1Z0-1089-21 Certification All-in-One Exam Guide Oct-2022
Get Real 1Z0-1089-21 Exam Dumps [Oct-2022] Practice Tests
NEW QUESTION 22
Which three are available on Oracle Cloud Infrastructure (OCI) asload balancing policies?
- A. Round Robin
- B. Least CPU Utilization
- C. Random
- D. IP Hash
- E. Least Connections
Answer: A,D,E
NEW QUESTION 23
Which Message Passing Interface (MPI) distribution is NOT available today?
- A. OCI MPI
- B. Intel MPI
- C. Open MPI
- D. Platform MPI
Answer: B
NEW QUESTION 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. 4800 MB/s
- B. 6250 MB/s
- C. 9600 MB/s
- D. 3125 MB/s
Answer: C
NEW QUESTION 25
What does the Terasort phase of the Terasort benchmark do?
- A. It randomly maps source data and increases output to a bigger data set.
- B. It randomly maps source data and reduces output to a smaller 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.
Answer: B
NEW QUESTION 26
What three data sources can Oracle Data Science draw from?
- A. On-premise Oracle database
- B. Google Cloud Object Storage
- C. Azure ObjectStorage Blob
- D. Autonomous Data Warehouse
- E. AWS S3 buckets
Answer: A,B,D
NEW QUESTION 27
Which statement correctly describes Oracle Data Science?
- A. It provides management for on-premise machine learning models.
- B. Oracle's Data Science model catalog holds contains only the model artifact.
- C. It is primarily focused on supporting a single data scientist.
- D. It enables data science teams to build, train, and manage machine learning models on Oracle Cloud.
Answer: A
NEW QUESTION 28
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. Install a desktop and a VNC server.
- B. Install NVIDIA drivers.
- C. Install Open MPl for distributed GPU access.
- D. Open a remote serial console.
Answer: B
NEW QUESTION 29
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. Fast Connect
- B. Distcp
- C. Data Transfer Appliance
- D. GoldenGate
- E. Object Storage
Answer: B
NEW QUESTION 30
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. 20 Block Volumes of 500GB size
- B. 8 Block Volumes of 1.25TB size
- C. One Block Volume of 10TB size
- D. 10 Block Volumes of 1TB size
Answer: C
NEW QUESTION 31
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.HPC2.36 2: BM.Standard.E3-128
- C. 1: BM.HPC2.36 2: BM.Standard.2.52
- D. 1: BM.Standard-2.52 2: BM.HPC2-36
Answer: B
NEW QUESTION 32
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. 100%
- B. 75%
- C. 66%
- D. 50%
Answer: D
NEW QUESTION 33
What are the three components for configuring autoscallng on Oracle Cloud Infrastructure (OCI)?
- A. You have an instance pool.
- B. You have a load balancer.
- 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: B,D,E
NEW QUESTION 34
Which performance benchmark tool CANNOT be used to measure IO throughput for Linux based filesystems?
- A. IO500
- B. Vdbench
- C. iPerf
- D. IOR
- E. FIO
Answer: D
NEW QUESTION 35
When running a high memory workload, what should be your machine of choice?
- A. BM.HPC2.36
- B. BM.GPU3.8
- C. BM.Standard.E3.128
- D. BM.Standard.E2.64
Answer: C
NEW QUESTION 36
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. 5GB/s for both (read and write)
- B. 2.5GB/S for write and 5GB/s for read
- C. 2.5GB/s for both (read and write)
- D. 2.5GB/s for readand 5GB/s for write
Answer: C
NEW QUESTION 37
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 connectremotely?
- A. No other additional rules are needed. It is possible to connect as is.
- B. Open all protocols for your specific IP address.
- C. Create a Stateless Egress rule for port 22-
- D. Open TCP ports 5900 to 5910 for 0.0.0.0/0.
Answer: D
NEW QUESTION 38
You are building a filesystem to maximize throughput of large files using high performance block volume and BM.Standard2.52 as file server.
Which block volume configuration should you choose to ensure aggregate Block volume throughput is higher than network bandwidth of a file server?
- A. 5Block Volume of 32 TB
- B. 6 Block Volumes of 32 TB
- C. 32 Block Volumes of 800GB
- D. 7 Block Volumes of 800GB
Answer: D
NEW QUESTION 39
Which benchmark is important to a customer when considering 0lg Data workloads on Oracle Cloud Infrastructure (OCI)?
- A. Terasort
- B. TPC-C
- C. TPC-DS
- D. TPC-DI
Answer: D
NEW QUESTION 40
When an instance pool scales in, what is the correct order that the instances are terminated?
- A. The oldest instance within the fault domain is terminated, the number of instances is balanced across availability domains, the number of instances is balanced across fault domains.
- B. The number of instances is balanced across availability domains, the oldest instance within the fault domain is terminated, the number of instances Is balanced across fault domains.
- C. The number of instances is balanced across availability domains, the number of instances is balanced across fault domains, the oldest instance within the fault domain is terminated.
- D. The number of instances is balanced across fault domains, the number of instances is balanced acrossfault domains, the oldest instance within the fault domain is terminated.
Answer: C
NEW QUESTION 41
Which two performance metrics can be used to trigger scaling actions In Autoscaling?
- A. Network latency
- B. Disk IOPS
- C. Memory utilization
- D. Network throughput
- E. CPU utilization
Answer: C,D
NEW QUESTION 42
Which workload is massively parallel In nature?
- A. Streaming
- B. SQL Queries
- C. ETL
- D. Map/Reduce
Answer: D
NEW QUESTION 43
On Oracle Cloud Infrastructure (OCI), a customer wants to build a 3TB fllesystem for high throughput-oriented workloads.
Which action provides the highestIO throughput using OCI block volumes for storage?
- A. Attach three Block volumes of 1TB each and use filesystem Block size of 1M or higher.
- B. Attach one Block volume of 3TB volume size and use fllesystem Block size of 256K or lower.
- C. Attach one Block volume of 3TB volume size and use fllesystem Block size of 1M or higher.
- D. Attach threeBlock volumes of 1TB each and use fllesystem Block size of 256K or lower.
Answer: B
NEW QUESTION 44
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