Best Quality Oracle 1Z0-1089-20 Exam Questions Prep4King Realistic Practice Exams [2021]
Critical Information To Oracle Cloud Infrastructure 2020 HPC and Big Data Solutions Associate Pass the First Time
NEW QUESTION 32
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. 2050 MB/s
- B. 4800 MB/s
- C. 3125 MB/s
- D. 6250 MB/s
Answer: C
NEW QUESTION 33
You are building a RDMA cluster on a private network with 10000 cores. What CIDR will work in the VCN: 172.16.0.0/16?
- A. 172.16.32,0/16
- B. 172.16.32.0/23
- C. 10.0.1.0/23
- D. 10.0.1.0/24
Answer: B
NEW QUESTION 34
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.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
Answer: C
NEW QUESTION 35
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. 500GB
- B. 800GB
- C. 32TB
- D. 1TB
Answer: B
NEW QUESTION 36
Which performance benchmark tool CANNOT be used to measure IO throughput for Linux based filesystems?
- A. Vdbench
- B. IO500
- C. FIO
- D. IOR
- E. iPerf
Answer: D
NEW QUESTION 37
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. CPU processor clock speed for faster processing
- D. Amount of Memory on file servers
Answer: D
NEW QUESTION 38
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. IO speed has a huge impact.
- B. The workload requires about 4GB/core of memory.
- C. The workload is embarrassingly parallel.
- D. Total number of processes is between 48 and 128 cores and can use RDMA.
Answer: C
NEW QUESTION 39
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 TCP ports 5900 to 5910 for 0.0.0.0/0.
- B. No other additional rules are needed. It is possible to connect as is.
- C. Open all protocols for your specific IP address.
- D. Create a Stateless Egress rule for port 22-
Answer: A
NEW QUESTION 40
Which statement correctly describes Oracle Data Science?
- A. It provides management for on-premise machine learning models.
- B. It enables data science teams to build, train, and manage machine learning models on Oracle Cloud.
- C. It is primarily focused on supporting a single data scientist.
- D. Oracle's Data Science model catalog holds contains only the model artifact.
Answer: A
NEW QUESTION 41
Which Message Passing Interface (MPI) distribution is NOT available today?
- A. Open MPI
- B. Intel MPI
- C. Platform MPI
- D. OCI MPI
Answer: B
NEW QUESTION 42
You are running a cluster using multiple BM.Standard2.52 machines. The model is on a NFS share running on block volume- You've tried doubling the number of machines but It's not running any faster.
Which two actions could potentially speed up this tightly coupled workload?
- A. Switch to ESS mode.
- B. Use Cluster Networking.
- C. Use BM.HPC2.36.
- D. Switch to FSS for your file system.
Answer: A
NEW QUESTION 43
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. Network File System (NFS)
- B. Linux File Systems like XFS, EXT4, EXT3, etc.
- C. Distributed File Systems like Gluster, OCFS2, GFS2
- D. Parallel File Systems like Lustre, IBM Spectrum Scale(GPFS), BeeGFS, etc.
Answer: C
NEW QUESTION 44
Which Statement Is NOT correct?
- A. Oracle Data Science does not support per second billing.
- B. Oracle Data Science Is not excluded from Universal Credit.
- C. Oracle Data Science can integrate with Oracle Function.
- D. Oracle Data Science is augmented with AI VM for Data Science.
Answer: C
NEW QUESTION 45
When running a high memory workload, what should be your machine of choice?
- A. BM.Standard.E2.64
- B. BM.Standard.E3.128
- C. BM.GPU3.8
- D. BM.HPC2.36
Answer: B
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. 50%
- B. 66%
- C. 75%
- D. 100%
Answer: A
NEW QUESTION 47
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. Base Frequency
- C. All Core Turbo Frequency
- D. Turbo Frequency
Answer: D
NEW QUESTION 48
On a RDMA cluster, a latency test was conducted, with these results:
What should you do?
- A. Rerun the test and see If It Is consistent.
- B. Nothing, this behavior is normal.
- C. Latency Is not critical, check the bandwidth.
- D. Report the higher latency through a SR.
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 randomly maps source data and increases output to a bigger data set.
- C. It randomly maps source data and reduces output to a smaller data set,
- D. It maps and reduces one terabyte of data into a smaller data set.
Answer: C
NEW QUESTION 50
Which workload is massively parallel In nature?
- A. SQL Queries
- B. ETL
- C. Map/Reduce
- D. Streaming
Answer: C
NEW QUESTION 51
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