Whichvirtual server typeis being configured in the screenshot? (Choose one answer.)
A.
Standard
B.
Forwarding IP
C.
Performance Layer 4
The Answer Is:
C
This question includes an explanation.
Explanation:
The configuration shown matches aPerformance Layer 4virtual server because it is explicitly using aFastL4profile:
The screenshot showsProtocol: TCPandProtocol Profile (Client): fastL4.In BIG-IP data plane terms,FastL4is the hallmark of aPerformance (Layer 4)virtual server, designed to process connections at Layer 4 with minimal overhead (high throughput/low latency) compared to full proxy L7 processing.
The screenshot also showsHTTP Profile (Client): None(and HTTP server profile effectively not in use).AStandardvirtual server commonly usesfull-proxyfeatures and frequently includesL7 profiles(like HTTP) when doing HTTP-aware load balancing, header manipulation, cookie persistence, etc. In contrast, aPerformance L4virtual server typically doesnotuse an HTTP profile because it is not doing HTTP-aware (Layer 7) processing.
It isnotaForwarding IPvirtual server:AForwarding (IP)virtual server is used toroute/forward packets(often without load balancing to pool members in the same way as Standard/Performance VS) and is selected by choosing a forwarding type. The presence of aTCP protocol with a FastL4 client profilealigns with aLayer 4 load-balancing stylevirtual server, not a packet-forwarding virtual server type.
Conclusion:Because the configuration is TCP-based and explicitly usesfastL4with no HTTP profile, the expected BIG-IP virtual server type isPerformance Layer 4 (Option C).
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