ANS-C01 Network Design Practice Question
An organization has multiple VPCs connected to a common Transit Gateway. The network team wants to centrally manage and enforce routing policies, such as allowing or denying traffic between specific VPCs based on tags. Which AWS feature should be used to implement this requirement?
⚠ Common exam trap
Candidates often confuse Transit Gateway Network Manager with basic Transit Gateway route tables, assuming manual route table configuration is sufficient, but the question specifically requires centralized, tag-based policy enforcement which only Network Manager provides.
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 Transit Gateway Network Manager
AWS Transit Gateway Network Manager provides a central dashboard to manage and monitor transit gateways, on-premises networks, and attached VPCs. It supports defining and enforcing routing policies based on tags, enabling the network team to centrally allow or deny traffic between specific VPCs without manually managing individual route tables.
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 Transit Gateway Network Manager
Why this is correct
Correct; Network Manager provides centralized visibility and policy-based management for Transit Gateway.
- ✗
AWS Direct Connect Gateway
Why it's wrong here
Incorrect; Direct Connect Gateway is for connecting multiple VPCs to on-premises.
- ✗
Amazon Route 53 Resolver
Why it's wrong here
Incorrect; Route 53 Resolver handles DNS queries, not routing policies.
- ✗
VPC Peering with route tables
Why it's wrong here
Incorrect; VPC Peering does not support tag-based routing policies centrally.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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