H12-821_V1.0 · Question #774
NFV and SDN are highly complementary and interdependent, so they must be used together.
The correct answer is B. FALSE. B is correct because NFV (Network Functions Virtualization) and SDN (Software-Defined Networking) are complementary technologies that work well together, but neither requires the other - each can be deployed independently. NFV virtualizes network functions (like firewalls or…
Question
Options
- ATRUE
- BFALSE
How the community answered
(28 responses)- A25% (7)
- B75% (21)
Explanation
B is correct because NFV (Network Functions Virtualization) and SDN (Software-Defined Networking) are complementary technologies that work well together, but neither requires the other - each can be deployed independently. NFV virtualizes network functions (like firewalls or load balancers) on commodity hardware, while SDN separates the control plane from the data plane; you can implement either without the other.
Why A is wrong: "Must be used together" is too strong - many real-world deployments use one without the other. For example, a carrier might deploy NFV on a traditional network, or apply SDN principles to physical appliances.
Memory tip: Think of NFV and SDN as "best friends, not conjoined twins" - they complement each other beautifully when combined (SDN's programmable control plane pairs naturally with NFV's virtualized functions), but both are fully capable of standing alone.
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