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NEW QUESTION 30
When an instance pool scales in, what is the correct order that the instances are terminated?
- A. 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.
- B. 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.
- C. The number of instances is balanced across fault 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 availability domains, the number of instances is balanced across fault domains, the oldest instance within the fault domain is terminated.
Answer: D
NEW QUESTION 31
What HDFS replication factor should be used for locally attached storage In HDFS?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION 32
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. Base Frequency
- B. Turbo Frequency
- C. Only the network throughput will influence Monte Carlo simula-tions.
- D. All Core Turbo Frequency
Answer: B
NEW QUESTION 33
Which benchmark is important to a customer when considering 0lg Data workloads on Oracle Cloud Infrastructure (OCI)?
- A. TPC-DI
- B. Terasort
- C. TPC-C
- D. TPC-DS
Answer: A
NEW QUESTION 34
Which is NOT an advantage associated with moving a Big Data workload to Oracle Cloud Infrastructure (OCI)?
- A. availability of Oracle Airflow
- B. Object Storage as Data Lake
- C. dynamically scale capacity against workload
- D. best price / performance for Big Data workloads In the Cloud
- E. managed service offerings to support common Big Data workloads
Answer: E
NEW QUESTION 35
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. Linux File Systems like XFS, EXT4, EXT3, etc.
- B. Parallel File Systems like Lustre, IBM Spectrum Scale(GPFS), BeeGFS, etc.
- C. Distributed File Systems like Gluster, OCFS2, GFS2
- D. Network File System (NFS)
Answer: C
NEW QUESTION 36
Which three are available on Oracle Cloud Infrastructure (OCI) as load balancing policies?
- A. Round Robin
- B. IP Hash
- C. Random
- D. Least CPU Utilization
- E. Least Connections
Answer: A,B,E
NEW QUESTION 37
Which two performance metrics can be used to trigger scaling actions In Autoscaling?
- A. CPU utilization
- B. Network latency
- C. Memory utilization
- D. Disk IOPS
- E. Network throughput
Answer: C,E
NEW QUESTION 38
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. 3125 MB/s
- B. 2050 MB/s
- C. 4800 MB/s
- D. 6250 MB/s
Answer: A
NEW QUESTION 39
Which two Oracle Cloud Infrastructure (OCI) shapes are a good choice for Spark based workloads?
- A. HPC
- B. VM Standard
- C. GPU
- D. BM Standard
Answer: A,D
NEW QUESTION 40
A customer has decided to use Oracle Cloud Infrastructure (OCI) for their Disaster 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. Use Terraform to rapidly provision Hadoop Cluster on OCI.
- B. Replicate data to a Hadoop cluster running on OCI in near-realtime.
- C. Replicate data to OCI Object Storage in near-realtime.
- D. Replicate data to OCI Object Storage every hour.
Answer: A
NEW QUESTION 41
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 should you select?
- A. 1: BM.HPC2.36 2: BM.Standard.E3-128
- B. 1: BM.HPC2.36 2: BM.Standard.2.52
- C. 1: BM.Standard.E3.128 2: BM.HPC2.36
- D. 1: BM.Standard-2.52 2: BM.HPC2-36
Answer: A
NEW QUESTION 42
You are building a file system that needs to handle large files with a lot of nodes reading at the same time.
What should be your main goal?
- A. Maximize throughput.
- B. Minimize latency.
- C. Maximize Latency while keeping throughput above a certain threshold.
- D. Minimize throughput while keeping the latency low.
Answer: A
NEW QUESTION 43
What are two different types of Storage offerings available to build a filesystem on Oracle Cloud infrastructure (OCI)?
- A. Object Storage
- B. Local NVMe SSDs on DenselO and HPC compute shapes
- C. File Storage
- D. Block Volume Service
Answer: A
NEW QUESTION 44
Which performance benchmark tool CANNOT be used to measure IO throughput for Linux based filesystems?
- A. iPerf
- B. Vdbench
- C. IO500
- D. FIO
- E. IOR
Answer: E
NEW QUESTION 45
You've spun up a GPU instance with the standard OEL linage (GPU version) from the console 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.
Answer: D
NEW QUESTION 46
A customer ran a Job 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. 66%
- B. 50%
- C. 75%
- D. 100%
Answer: B
NEW QUESTION 47
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. Total number of processes is between 48 and 128 cores and can use RDMA.
- B. The workload is embarrassingly parallel.
- C. The workload requires about 4GB/core of memory.
- D. IO speed has a huge impact.
Answer: B
NEW QUESTION 48
A customer has a Spark workload they are considering moving to Oracle Cloud Infrastructure (OCI). What option should they consider?
- A. Big Data Service
- B. Oracle Data Flow
- C. Self-managed Spark deployment
- D. Self-managed Hadoop deployment
Answer: B
NEW QUESTION 49
What does the Terasort phase of the Terasort benchmark do?
- A. It maps and reduces source data in a parallel manner, leveraging data locality to minimize network transfer.
- B. It maps and reduces one terabyte of data into a smaller data set.
- C. It randomly maps source data and increases output to a bigger data set.
- D. It randomly maps source data and reduces output to a smaller data set,
Answer: D
NEW QUESTION 50
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. No other additional rules are needed. It is possible to connect as is.
- B. Open all protocols for your specific IP address.
- C. Open TCP ports 5900 to 5910 for 0.0.0.0/0.
- D. Create a Stateless Egress rule for port 22-
Answer: C
NEW QUESTION 51
You are building a large filesystem to maximize throughput of large files using high performance block volume and BM.Standard2.52 as file servers.
Which block volumes configuration should you choose to ensure aggregate Block volume throughput is higher than network bandwidth of file servers?
- A. 7 Block Volumes of 800 GB
- B. 6 Block Volumes of 32 TB
- C. 32 Block Volumes of 800 GB
- D. 5 Block Volumes of 32 TD
Answer: B
NEW QUESTION 52
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