最新Oracle Cloud 1Z0-997-25考試題庫，Oracle 1Z0-997-25課程的擬真試題下載

問題1
For secure microservices communication within a VCN, which approach provides both isolation and encryption?

A. VCN Peering with no TLS

B. Public endpoint over HTTPS

C. VPN Connect between subnets

D. Private endpoint with TLS termination at Service Gateway

正確答案: D

問題2
Your DevOps build stage is timing out under high load. How do you optimize it?

A. Run builds sequentially

B. Upgrade all build machines to the largest shapes

C. Disable build caching

D. Enable build pool autoscaling in OCI DevOps pipelines

正確答案: D

問題3
An e-commerce company is running on Oracle Cloud Infrastructure (OCI) and many compute instances remain unused for the most part of the year except during Black Friday and Christmas. You suggest they use OCI's autoscaling feature and present them a slide to showcase the features of autoscaling.
Which option is inaccurate in your presentation to the customer?
Response:

A. A cooldown period between autoscaling events lets the system stabilize at the updated level.

B. Autoscaling relies on performance metrics such as CPU utilization that are collected by the OCI Monitoring service to trigger an autoscaling event.

C. Autoscaling requires an instance pool as a prerequisite so that it can automatically adjust the number of compute instances in an instance pool.

D. When an instance pool scales in, instances are terminated in this order: The number of instances is balanced across availability domains, and then balanced across fault domains. Finally, within a fault domain, the newest instance is terminated first.

正確答案: D

問題4
How do you validate that standby databases remain consistent after a logical migration cutover?

A. Use flashback logs

B. Use Data Guard only

C. Run GoldenGate Veridata reconciliation

D. Perform a second Data Pump export/import

正確答案: C

問題5
When do you choose Autonomous Database over a database on a VM?

A. Require self-patching, self_tuning, and auto_scaling

B. Minimal workloads

C. Budget constraints

D. Need full OS control

正確答案: A

問題6
Analytics SQL is slow on a base DB VM. What is best to fix?

A. Increase VM CPU

B. Add indexes manually

C. Move to Autonomous Data Warehouse (ADW)

D. Use Exadata on VM

正確答案: C

問題7
You need to offload repetitive GET responses to reduce function load. What should you implement?

A. Have function implement in-memory cache

B. Deploy Redis in VCN and connect functions

C. Enable response caching on API Gateway

D. Push cache into registry metadata

正確答案: C

問題8
Which DORA-aligned improvements result from using Terraform + Resource Manager?

A. Increased deployment frequency

B. Improved lead time via PR plan checks

C. Increased change failure rate

D. Reduced MTTR via automated rollback

正確答案: A,B,D

問題9
A sudden spike in API requests overwhelms function concurrency limits. How can you protect the backend?

A. Enable API Gateway throttling per route

B. Use private endpoints only

C. Increase concurrency via API Gateway settings

D. Enable Provisioned Concurrency on Functions

正確答案: A,D

問題10
A microservices deployment exhibits slow inter_pod network performance. Which steps help identify and address the bottleneck?

A. Monitor pod_to_pod metrics in OCI Monitoring

B. Use Flannel_optimized CNI

C. Switch to VCN_native networking

D. Isolate pods in separate subnets

正確答案: A,C

問題11
Which OCI Vault capability supports auto-generating SSH keys for compute instances?

A. Use KMS to generate keys

B. Automatic secret generation for SSH_KEY templates

C. Manual secret upload only

D. Copy from on-prem HSM

正確答案: B

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