ANS-C01 Network Management and Operations Practice Question
A company has a hybrid network architecture with multiple VPCs connected via a transit gateway and on-premises via Direct Connect. The network team wants to automate the response to a BGP session failure on a Direct Connect virtual interface. Which AWS service can be used to monitor the BGP status and trigger an automated action?
⚠ Common exam trap
AWS often tests the misconception that VPC Flow Logs or AWS Config can monitor BGP status, but candidates must remember that BGP is a control-plane protocol and only Direct Connect metrics in CloudWatch provide the BGP session state for automation.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
AWS CloudWatch Events (EventBridge) with Direct Connect BGP metric alarms
AWS CloudWatch Events (EventBridge) can monitor Direct Connect BGP session status via the `bgp_session_state` metric in the `AWS/DX` namespace. When the BGP session transitions to the `down` state, you can create an EventBridge rule that triggers an automated action, such as invoking a Lambda function or sending an SNS notification, enabling a rapid response to BGP failures without manual intervention.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
AWS Lambda with VPC Flow Logs
Why it's wrong here
Flow Logs don't directly monitor BGP status.
- ✗
AWS Systems Manager Automation
Why it's wrong here
Systems Manager can automate actions but needs a trigger; BGP monitoring is better with CloudWatch.
- ✓
AWS CloudWatch Events (EventBridge) with Direct Connect BGP metric alarms
Why this is correct
EventBridge can trigger actions based on CloudWatch alarms for BGP status.
- ✗
AWS Config rules
Why it's wrong here
Config rules evaluate resource configurations, not real-time BGP status.
Quick reference
Cloud Service Model Comparison
| Model | You Manage | Provider Manages | Examples |
|---|---|---|---|
| IaaS | OS, runtime, apps, data | Hardware, hypervisor, networking | EC2, Azure VMs, GCP Compute Engine |
| PaaS | Apps and data | OS, runtime, middleware, hardware | Elastic Beanstalk, Azure App Service |
| SaaS | Data and settings only | Everything else | Microsoft 365, Salesforce, Workday |
| FaaS / Serverless | Function code only | Infra, scaling, runtime | Lambda, Azure Functions, Cloud Run |
| CaaS | Containers and apps | Kubernetes, OS, hardware | EKS, AKS, GKE |
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This ANS-C01 practice question is part of Courseiva's free Amazon Web Services certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the ANS-C01 exam.