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101 · Question #671
101 Question #671: Real Exam Question with Answer & Explanation
The correct answer is A: packet forwarding architecture. Packet forwarding architecture passes client packets directly to the server without terminating the TCP connection, distinguishing it from full proxy which intercepts and re-originates connections.
Question
A load balancer receives a TCP SYN packet from a client and immediately sends the packet on to a server. This is an example of which type of solution?
Options
- Apacket forwarding architecture
- BFull proxy architecture
- CTCP compression
- DTCP optimization
Explanation
Packet forwarding architecture passes client packets directly to the server without terminating the TCP connection, distinguishing it from full proxy which intercepts and re-originates connections.
Common mistakes.
- B. Full proxy architecture terminates the client-side TCP connection at the load balancer and creates a separate new TCP connection toward the server, which is the opposite behavior of immediately forwarding the SYN packet.
- C. TCP compression reduces payload size to improve bandwidth efficiency and has nothing to do with how the load balancer handles connection setup or forwarding.
- D. TCP optimization refers to performance techniques such as connection pooling or buffering, not to the architectural pattern of transparently forwarding raw client packets.
Concept tested. Load balancer packet forwarding vs full proxy architecture
Reference. https://my.f5.com/manage/s/article/K8082
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