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Exam 101 topic 1 question 36 discussion

Actual exam question from F5's 101
Question #: 36
Topic #: 1
[All 101 Questions]

If LTM uses the least connections load balancing method, which pool member in the following diagram receives the next request?

  • A. A
  • B. B
  • C. C
  • D. D
Show Suggested Answer Hide Answer
Suggested Answer: B 🗳️

Comments

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juantron
2 years, 3 months ago
The current request should go to D, but for some issue it goes to B, so D will have a problem (offline, for example). B is correct.
upvoted 1 times
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MBA_9587
2 years, 7 months ago
As per Definition, Least Connection Least Connection load balancing is a dynamic load balancing algorithm where client requests are distributed to the application server with the least number of active connections at the time the client request is received. In cases where application servers have similar specifications, an application server may be overloaded due to longer lived connections; this algorithm takes the active connection load into consideration. Answer should be D.
upvoted 1 times
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mpro
3 years, 2 months ago
B is correct but it's a bit of a trick question. If we're doing Least Connections and the current request is going to B, then we know that for whatever reason, D is disqualified. My guess would be Disabled or like zerotfei says, it could be persistence. Either way if B was the Least Connections for the current request, it by definition must also apply for the next one.
upvoted 2 times
khanwoo
2 years, 9 months ago
Yes, if this is trick question, it's very simple to see. Question is asking about next request not current request. even current is going to B with 53 connection, next connection will go to least number of connection which is D. so this answer should be D.
upvoted 4 times
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zerotfei
3 years, 4 months ago
I think the answer being B could be due to the fact that persistence is turned on (Which is what the question is not specified). However taking that factor under account, LTM could choose B again to ensure "continuity" such that server affinity can be maintained.
upvoted 1 times
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espositop2004
3 years, 4 months ago
correct answer D
upvoted 1 times
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Ahmad_Zahran
3 years, 7 months ago
D is correct
upvoted 1 times
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mdaquib
3 years, 8 months ago
Answer should be D
upvoted 4 times
Timber
3 years, 7 months ago
I agree. Answer is D.
upvoted 1 times
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Community vote distribution
A (35%)
C (25%)
B (20%)
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