Free Access Oracle.1z0-1089-20.v2021-09-25.q19 Practice Test (Page 3)

Question 6

On Oracle Cloud Infrastructure (OCI), a customer wants to build a 3TB fllesystem for high throughput-oriented workloads.
Which action provides the highest IO throughput using OCI block volumes for storage?

A.Attach one Block volume of 3TB volume size and use fllesystem Block size of 256K or lower.

B.Attach three Block volumes of 1TB each and use filesystem Block size of 1M or higher.

C.Attach three Block volumes of 1TB each and use fllesystem Block size of 256K or lower.

D.Attach one Block volume of 3TB volume size and use fllesystem Block size of 1M or higher.

Question 7

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.Use BM.HPC2.36.

B.Switch to ESS mode.

C.Switch to FSS for your file system.

D.Use Cluster Networking.

Question 8

Which is an accurate analogy for Amdahl's law?

A.There Is no such thing as a free lunch.

B.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.

C.An orchestra can only play well together If they have a great conductor.

D.In track and field, the 4xl00m relay is only 17% faster than the world record for individual 400m.

Question 9

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 requires about 4GB/core of memory.

C.IO speed has a huge impact.

D.The workload is embarrassingly parallel.

Question 10

When an instance pool scales in, what is the correct order that the instances are terminated?

A.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.

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 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.

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