200-901 Network Fundamentals Practice Question
An HTTP/2 connection uses multiple concurrent streams over a single TCP connection. Which feature of HTTP/2 enables this?
⚠ Common exam trap
Cisco often tests the distinction between the enabling mechanism (binary framing) and the resulting capability (multiplexing), so candidates mistakenly choose 'binary framing layer' because it sounds technical, but it is the foundation, not the feature that directly enables concurrency.
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
✓
Multiplexing
Multiplexing is the HTTP/2 feature that allows multiple concurrent streams to share a single TCP connection. This eliminates head-of-line blocking at the application layer by enabling the interleaving of frames from different streams, so a slow response on one stream does not block others.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Binary framing layer
Why it's wrong here
Binary framing is part of the protocol, but multiplexing is the feature that allows concurrent streams.
- ✓
Multiplexing
Why this is correct
Correct. Multiplexing allows multiple streams over one TCP connection.
- ✗
Server push
Why it's wrong here
Server push proactively sends resources but is not about multiplexing.
- ✗
Header compression (HPACK)
Why it's wrong here
HPACK reduces header size but does not enable multiple streams.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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