1z0107221 Oracle Cloud Infrastructure 2021 Architect Associate Free Practice Test — 30 Questions

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Question 1 of 30

A multinational financial services firm is migrating its critical trading platform to Oracle Cloud Infrastructure (OCI). The platform experiences highly variable transaction volumes, with peak loads occurring during specific market opening hours across different global time zones. Furthermore, the firm must adhere to stringent regulatory requirements for data residency and disaster recovery, necessitating a solution that can maintain uninterrupted service and low latency for its diverse user base, even in the event of a localized infrastructure failure within a single OCI region. Which architectural approach best addresses these multifaceted requirements?

Implement a global Content Delivery Network (CDN) to cache frequently accessed trading data and static assets, fronting auto-scaling OCI Compute instances that are load-balanced across multiple Availability Domains within a primary OCI region, with a robust disaster recovery plan leveraging OCI's cross-region object storage replication.
Deploy OCI's Object Storage service for all application data, utilizing its lifecycle management policies to ensure data residency, and configure OCI's Network Firewall to restrict traffic to only authorized IP addresses, relying solely on manual scaling of OCI Compute instances during anticipated high-demand periods.
Utilize OCI's Database as a Service (DBaaS) with read replicas distributed across different geographical OCI regions for data redundancy, and configure OCI's Load Balancer to distribute traffic only to compute instances within a single Availability Domain, assuming minimal impact from regional outages due to the database's distributed nature.
Leverage OCI's FastConnect for dedicated network connectivity from on-premises data centers to OCI, deploy OCI Container Engine for Kubernetes (OKE) with horizontal pod autoscaling, and configure OCI's Block Volume service for persistent storage, assuming that on-premises resilience will mitigate cloud-specific availability concerns.

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