- A
Deploy a transit VPC with an NGFW instance and configure BGP dynamic routing between the transit VPC, other VPCs, and the on-premises network.
Transit VPC with NGFW and BGP allows traffic inspection and dynamic route exchange.
- B
Use AWS Transit Gateway with static routes pointing to the NGFW instance for inspection.
Why wrong: Static routing is less flexible and does not support dynamic route exchange with on-premises BGP.
- C
Create a site-to-site VPN between each VPC and the on-premises network, and configure the NGFW on-premises.
Why wrong: Traffic would not be inspected in the cloud; on-premises inspection introduces latency for cloud-to-cloud traffic.
- D
Use AWS Direct Connect to connect all VPCs to the on-premises network and place the NGFW on-premises.
Why wrong: Direct Connect provides connectivity but does not inspect traffic; on-premises inspection adds latency.
Quick Answer
The correct design is to deploy a transit VPC with an NGFW instance and configure BGP dynamic routing between the transit VPC, other VPCs, and the on-premises network. This works because the transit VPC acts as a centralized inspection hub, forcing all inter-VPC and on-premises traffic through the NGFW, while BGP eliminates the need for static routes by automatically propagating prefixes and enabling failover, which minimizes both latency and administrative overhead. On the Cisco SCOR 350-701 exam, this scenario tests your understanding of cloud security architectures and dynamic routing integration; a common trap is choosing a design that hair-pins traffic back on-premises for inspection, which increases latency and violates the “minimize latency” requirement. Remember the key principle: a transit VPC with BGP keeps inspection in the cloud and routing dynamic, so think “hub-and-spoke with BGP, not hair-pin.”
350-701 Cloud Security Practice Question
This 350-701 practice question tests your understanding of cloud security. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A multinational corporation is migrating its on-premises data center to a public cloud provider. The security policy requires that all traffic between cloud VPCs and the on-premises network must be inspected by a next-generation firewall (NGFW) deployed in the cloud. The on-premises network uses BGP for dynamic routing. Which design meets the requirement while minimizing latency and administrative overhead?
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
Deploy a transit VPC with an NGFW instance and configure BGP dynamic routing between the transit VPC, other VPCs, and the on-premises network.
Option A is correct because a transit VPC with an NGFW instance allows centralized traffic inspection while using BGP dynamic routing to exchange routes between the transit VPC, other VPCs, and the on-premises network. This design minimizes administrative overhead by avoiding static route management and reduces latency by keeping inspection within the cloud, rather than hair-pinning traffic on-premises. BGP enables automatic failover and route propagation, meeting the dynamic routing requirement.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Deploy a transit VPC with an NGFW instance and configure BGP dynamic routing between the transit VPC, other VPCs, and the on-premises network.
- ✗
Use AWS Transit Gateway with static routes pointing to the NGFW instance for inspection.
Why it's wrong here
Static routing is less flexible and does not support dynamic route exchange with on-premises BGP.
- ✗
Create a site-to-site VPN between each VPC and the on-premises network, and configure the NGFW on-premises.
Why it's wrong here
Traffic would not be inspected in the cloud; on-premises inspection introduces latency for cloud-to-cloud traffic.
- ✗
Use AWS Direct Connect to connect all VPCs to the on-premises network and place the NGFW on-premises.
Why it's wrong here
Direct Connect provides connectivity but does not inspect traffic; on-premises inspection adds latency.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Cisco often tests the misconception that a cloud-native service like AWS Transit Gateway inherently supports dynamic routing with NGFW inspection, but the trap is that Transit Gateway uses static routes for traffic steering unless integrated with a transit VPC and BGP, leading candidates to choose Option B incorrectly.
Detailed technical explanation
How to think about this question
A transit VPC architecture uses a hub-and-spoke model where the NGFW instance acts as a route reflector or BGP peer, exchanging routes with on-premises routers via eBGP and with other VPCs via iBGP or static routing within the cloud. This design leverages BGP’s path selection and failover capabilities, such as MED and AS-path prepending, to optimize traffic flows. In real-world scenarios, this approach is critical for multi-region deployments where dynamic routing adapts to changes without manual intervention, and it avoids the latency penalty of hair-pinning traffic through on-premises inspection.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A small business has 20 workstations on the 192.168.1.0/24 network and one public IP from its ISP. The router uses PAT (NAT overload) so all 20 devices share one public address using different source ports. NAT questions test whether you understand the four address terms and which direction each translation applies.
What to study next
Got this wrong? Here's your next step.
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FAQ
Questions learners often ask
What does this 350-701 question test?
Cloud Security — This question tests Cloud Security — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Deploy a transit VPC with an NGFW instance and configure BGP dynamic routing between the transit VPC, other VPCs, and the on-premises network. — Option A is correct because a transit VPC with an NGFW instance allows centralized traffic inspection while using BGP dynamic routing to exchange routes between the transit VPC, other VPCs, and the on-premises network. This design minimizes administrative overhead by avoiding static route management and reduces latency by keeping inspection within the cloud, rather than hair-pinning traffic on-premises. BGP enables automatic failover and route propagation, meeting the dynamic routing requirement.
What should I do if I get this 350-701 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 11, 2026
This 350-701 practice question is part of Courseiva's free Cisco 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 350-701 exam.
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