101 · Question #549

101 Question #549: Real Exam Question with Answer & Explanation

The correct answer is C: when the number of TCP connections to the server must be optimized. A full proxy TCP connection is required when the load balancer must independently terminate and manage client-side and server-side connections to reduce and optimize the total number of TCP sessions reaching backend servers.

Question

in which scenario is a full proxy TCP connection required?

Options

Awhen IP Anycastmg is enabled
Bwhen routing is enabled
Cwhen the number of TCP connections to the server must be optimized
Dwhen the client TCP connections options must be sent to the server

Explanation

A full proxy TCP connection is required when the load balancer must independently terminate and manage client-side and server-side connections to reduce and optimize the total number of TCP sessions reaching backend servers.

Common mistakes.

A. IP Anycast is a network addressing and routing methodology where multiple nodes share an IP address and traffic is routed to the topologically nearest one - it is independent of TCP proxy mode.
B. Routing can be enabled on a device regardless of its proxy mode and does not require a full proxy TCP architecture to function.
D. Full proxy mode specifically does NOT forward the original client TCP connection options to the server - it creates a brand-new independent connection; a half proxy or pass-through mode would be required to preserve and relay client-side TCP options.

Concept tested. Full proxy TCP connection mode and server-side optimization

Reference. https://clouddocs.f5.com/training/community/f5cert/html/class2/module2/lab2.html

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