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When migrating workloads to OCI requiring consistent, high-bandwidth connections with minimal latency, and your on-premises data center has direct fiber connectivity, which OCI service is most suitable?
Requirements: High bandwidth, low latency, leveraging direct fiber connectivity.
Option A: Site-to-Site VPN uses the public internet, lacking consistency and bandwidth---incorrect.
Option B: Internet Gateway is for public access, not dedicated connections---incorrect.
Option C: FastConnect Colocation uses direct fiber at Oracle locations, ensuring high bandwidth and minimal latency---correct.
Option D: DRG with remote peering is for VCN-to-VCN connectivity, not optimized for on-premises fiber---incorrect (DRG is part of FastConnect but not the service itself).
Conclusion: FastConnect Colocation is the most suitable.
Oracle states:
'FastConnect Colocation with Oracle leverages direct fiber connections at Oracle facilities, providing consistent, high-bandwidth, and low-latency access to OCI.'
This supports Option C. Reference: FastConnect Overview - Oracle Help Center (docs.oracle.com/en-us/iaas/Content/Network/Tasks/fastconnect.htm#colocation).
Your security policy mandates that all communication between your compute instances in a private subnet and OCI Object Storage must be authenticated and authorized using IAM policies and not rely on public IP addresses. Which OCI networking feature is the most appropriate to satisfy this requirement?
Requirement: Private, IAM-secured access to Object Storage.
Option A: Public subnet with Internet Gateway uses public IPs---violates policy.
Option B: NAT Gateway is for internet access, not private OCI services---incorrect.
Option C: Service Gateway enables private access to Object Storage, paired with IAM for auth---correct.
Option D: Public subnet with firewall still relies on public IPs---incorrect.
Conclusion: Option C meets all requirements.
Oracle states:
'Use a Service Gateway for private access to OCI Object Storage from a private subnet, with IAM policies for authentication and authorization.'
This supports Option C. Reference: Service Gateway Overview - Oracle Help Center (docs.oracle.com/en-us/iaas/Content/Network/Tasks/servicegateway.htm).
You are managing an OCI Network Firewall that protects a VCN with multiple subnets. The application team reports intermittent connectivity issues to a specific application server behind the firewall. You suspect the issue might be related to the firewall's stateful inspection. What would be the most efficient way to troubleshoot if the stateful inspection is causing these connectivity issues?
Identify the Goal: Troubleshoot efficiently to determine if stateful inspection is causing intermittent connectivity issues.
Option A Evaluation: Disabling stateful inspection globally removes all security checks, potentially restoring connectivity but disrupting the entire VCN's security. This is inefficient and risky.
Option B Evaluation: Creating a bypass rule for the application server avoids inspection, which could confirm the issue but weakens security for that server. It's a workaround, not a diagnostic step, and requires policy changes during troubleshooting.
Option C Evaluation: Reviewing firewall logs for denied traffic is targeted and non-disruptive. Logs show if stateful inspection is dropping packets (e.g., due to session timeouts or rule mismatches), directly identifying the cause without altering configurations.
Option D Evaluation: Recreating the firewall is highly disruptive, time-consuming, and doesn't guarantee insight into the current issue. It's not a troubleshooting step.
Conclusion: Option C is the most efficient, as it leverages logs for precise diagnosis without impacting operations.
Per Oracle's Network Firewall documentation:
'Network Firewall logs provide detailed information about allowed and denied traffic, including source/destination IPs, ports, and protocols. Use logs to troubleshoot connectivity issues by identifying dropped packets due to stateful inspection or rule mismatches.'
'Stateful inspection tracks connection states; misconfigurations can lead to dropped sessions.'
This confirms logs are the best tool for diagnosing stateful inspection issues. Reference: Network Firewall Overview - Oracle Help Center (docs.oracle.com/en-us/iaas/Content/NetworkFirewall/overview.htm).
When migrating workloads requiring high availability and redundancy for on-premises connectivity to OCI, which approach is recommended?
Requirements: HA and redundancy for on-premises-to-OCI connectivity.
Option A: Single FastConnect lacks redundancy---incorrect.
Option B: Single VPN over internet has no redundancy and poor performance---incorrect.
Option C: Dual FastConnect with diverse paths ensures HA and redundancy via separate routes---correct.
Option D: Internet Gateway with public IPs isn't dedicated or redundant---incorrect.
Conclusion: Option C is the recommended approach.
Oracle advises:
'For high availability, use dual FastConnect connections with diverse paths to eliminate single points of failure in hybrid connectivity.'
This supports Option C. Reference: FastConnect High Availability - Oracle Help Center (docs.oracle.com/en-us/iaas/Content/Network/Tasks/fastconnect.htm#ha).
In a multi-tier application environment with geographically dispersed teams requiring access to private resources, how can an OCI Bastion service be optimized to reduce latency for remote users?
Objective: Reduce latency for remote users accessing private resources via Bastion.
Option A: Single Bastion increases latency for distant users---incorrect.
Option B: Multiple regional Bastions minimize latency by proximity---correct.
Option C: Dynamic port forwarding doesn't address geographic latency---incorrect.
Option D: Load balancer aids HA, not latency reduction---incorrect.
Conclusion: Option B optimizes latency.
Oracle notes:
'Deploy Bastion hosts in multiple regions to reduce latency for geographically dispersed users accessing private resources.'
This supports Option B. Reference: Bastion Service Overview - Oracle Help Center (docs.oracle.com/en-us/iaas/Content/Bastion/Concepts/bastionoverview.htm).
