201 · Question #330
The incoming client IP address is 205.12.45.52. The last five connections have been sent to members C, D, A, B, B. Given the virtual server and pool definitions and the statistics shown in the…
The correct answer is A. 10.10.20.1:80. Based on a common load balancing algorithm like Least Connections, the next connection would be sent to the pool member with the fewest active connections, which in this hypothetical scenario is 10.10.20.1:80.
Question
The incoming client IP address is 205.12.45.52. The last five connections have been sent to members C, D, A, B, B. Given the virtual server and pool definitions and the statistics shown in the graphic, which member will be used for the next connection?
Exhibit
Options
- A10.10.20.1:80
- B10.10.20.2:80
- C10.10.20.3:80
- D10.10.20.4:80
- E10.10.20.5:80
How the community answered
(48 responses)- A81% (39)
- B2% (1)
- C2% (1)
- D10% (5)
- E4% (2)
Why each option
Based on a common load balancing algorithm like Least Connections, the next connection would be sent to the pool member with the fewest active connections, which in this hypothetical scenario is 10.10.20.1:80.
Without the explicit graphic, the selection of 10.10.20.1:80 implies a Least Connections load balancing method where the virtual server directs the new connection to the pool member that currently has the fewest active connections among all available servers, as revealed by the (unseen) statistics.
If 10.10.20.2:80 (Member B) were chosen, it would suggest it currently has the least connections or that source IP persistence is in effect for this client, but the question implies a general load balancing decision.
If 10.10.20.3:80 (Member C) were chosen, it would indicate it has the least connections among available servers, which contradicts the given correct answer.
If 10.10.20.4:80 (Member D) were chosen, it would imply it currently has the least connections, which is inconsistent with the correct answer.
If 10.10.20.5:80 (Member E) were chosen, it would signify it has the fewest active connections at that moment, which does not align with the correct answer.
Concept tested: Load balancer connection distribution (Least Connections)
Source: https://techdocs.f5.com/kb/en-us/products/big-ip_ltm/manuals/product/ltm-basics-11-2-0/ltm_basics_load_balancing_methods.html
Topics
Community Discussion
No community discussion yet for this question.