Cisco
300-730 · Question #223
300-730 Question #223: Real Exam Question with Answer & Explanation
The correct answer is A: dual hub single cloud. A dual hub single cloud DMVPN topology places two hub routers in one shared NBMA cloud, giving branches a failover hub without introducing a second redundant cloud or extra infrastructure.
Site-to-site Virtual Private Networks on Routers and Firewalls
Question
An engineer is designing a DMVPN topology for a client. The client wants all branch offices to connect to a hub at their data center and fall back to a different device in case of failure. Which DMVPN design meets these requirements without unnecessary devices or services?
Options
- Adual hub single cloud
- Bsingle hub dual cloud
- Cdual hub dual cloud
- Dsingle hub single cloud
Explanation
A dual hub single cloud DMVPN topology places two hub routers in one shared NBMA cloud, giving branches a failover hub without introducing a second redundant cloud or extra infrastructure.
Common mistakes.
- B. Single hub dual cloud uses two completely separate NBMA networks each fronted by a single hub, duplicating the cloud infrastructure beyond what branch failover requires.
- C. Dual hub dual cloud introduces two separate clouds each with a dedicated hub, creating unnecessary redundancy in both the hub and cloud layers.
- D. Single hub single cloud has no redundancy; loss of the single hub disconnects all branches with no failover path.
Concept tested. DMVPN dual hub single cloud redundancy design
Topics
#DMVPN#dual hub single cloud#hub redundancy#topology design
Community Discussion
No community discussion yet for this question.