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Docker DCA Exam - Topic 7 Question 91 Discussion

Posted by Brent on Jun 30, 2024 at 08:31 PM

Will this configuration achieve fault tolerance for managers in a swarm?

Solution: one manager node for two worker nodes

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40 comments · newest first
JI
Jina 10 months ago
Yeah, one manager for two workers is sketchy.
EL
Elza 10 months ago
Definitely a no, needs at least two managers.
JU
Justine 11 months ago
Wait, are we sure that works? Seems risky.
MA
Marjory 11 months ago
Totally agree, one manager is a single point of failure.
HO
Hoa 11 months ago
That's not enough redundancy.
SH
Shanda 11 months ago
I believe fault tolerance usually requires at least three managers to handle failures effectively.
BR
Brittni 12 months ago
I'm not entirely sure, but I feel like two worker nodes with one manager could lead to a single point of failure.
TU
Tu 12 months ago
I remember a practice question where multiple managers were needed for redundancy. This seems similar.
TA
Tamar 12 months ago
I think having just one manager node might not be enough for fault tolerance, especially if it goes down.
FE
Felicidad 12 months ago
I'm a bit confused by this question. The solution seems straightforward, but I want to make sure I fully understand the implications of the manager-worker ratio before selecting an answer. Maybe I'll make a quick note to come back to this one if I have time at the end.
ME
Melvin 12 months ago
Okay, let's think this through. The key is understanding what fault tolerance means in the context of a swarm. If one manager node goes down, the other worker nodes should still be able to function, right? I'll go with option A and explain my reasoning in the exam.
RI
Ria 12 months ago
I think this is a straightforward question. The solution provided seems to indicate that having one manager node for two worker nodes should provide fault tolerance, so I'll go with option A.
VA
Valentine 1 year ago
Hmm, I'm not sure about this one. Fault tolerance is an important concept, but I'm not confident that a 1:2 manager to worker ratio is the right approach. I might need to review the course material on swarm configurations again before answering.
TR
Tricia 1 year ago
Hmm, this seems like a pretty straightforward question. I'd probably go with option C and check the Adobe Experience Cloud debugger to confirm the data is on the live site.
BA
Barabara 1 year ago
This seems like a good opportunity to apply the troubleshooting steps we've learned. I'll start by reviewing the scenario and exhibit to identify the key information, then I'll carefully consider each option to determine the best place to verify the CPU and memory usage.
OD
Odette 1 year ago
Hmm, I'm a bit confused. Since custom code isn't allowed, I'm not sure if the Entities component would work. I'll have to think this through carefully.
BA
Barbra 2 years ago
Haha, this question is like asking if a single parachute can support an entire skydiving team. No way, Jose! B is the only sane answer here.
DE
Delbert 2 years ago
This is a classic case of 'too many cooks in the kitchen'. You need a balance, not just throwing more managers at the problem. B is the way to go.
RO
Rose 2 years ago
↳ replying to Delbert
B is the way to go.
AL
Alisha 2 years ago
↳ replying to Delbert
B
YO
Yoko 2 years ago
↳ replying to Delbert
A
FR
Franklyn 2 years ago
B all the way. Gotta have more managers to spread the load and keep things running smoothly. One's just asking for trouble.
GA
Gail 2 years ago
↳ replying to Franklyn
B all the way. Gotta have more managers to spread the load and keep things running smoothly. One's just asking for trouble.
ER
Ernest 2 years ago
↳ replying to Franklyn
B
CA
Carman 2 years ago
↳ replying to Franklyn
A
RO
Ronny 2 years ago
Hmm, I don't know. Doesn't sound very robust to me. I'd want at least three manager nodes to handle failures properly.
YO
Yolando 2 years ago
↳ replying to Ronny
Yes, I agree. Having at least three manager nodes would be a better configuration for fault tolerance.
LO
Lorrine 2 years ago
↳ replying to Ronny
I think we definitely need more manager nodes to achieve fault tolerance in the swarm.
LI
Lili 2 years ago
↳ replying to Ronny
I agree, having only one manager node for two worker nodes doesn't seem very reliable.
AR
Arlette 2 years ago
↳ replying to Ronny
Yes, I also believe that having at least three manager nodes would be a better solution for handling failures.
OD
Odelia 2 years ago
↳ replying to Ronny
I think we definitely need more manager nodes to achieve fault tolerance in the swarm.
AV
Avery 2 years ago
↳ replying to Ronny
I agree, having only one manager node for two worker nodes doesn't seem very reliable.
FI
Fidelia 2 years ago
I agree with Huey. Having one manager node for two worker nodes can provide fault tolerance by spreading the workload and reducing the chances of failure.
HU
Huey 2 years ago
I think it could work. Having multiple worker nodes can help distribute the load and reduce the risk of a single point of failure.
BE
Belen 2 years ago
One manager node for two workers? That's like having one traffic cop for a whole highway intersection. Definitely a big no-no for fault tolerance!
JO
Jolanda 2 years ago
↳ replying to Belen
One manager node for two workers? That's like having one traffic cop for a whole highway intersection. Definitely a big no-no for fault tolerance!
AU
Audra 2 years ago
↳ replying to Belen
B) No
MI
Miriam 2 years ago
↳ replying to Belen
A) Yes
PE
Pearline 2 years ago
I'm not sure. It might depend on the workload and the specific setup.
DO
Donette 2 years ago
Do you think one manager node for two worker nodes will achieve fault tolerance?
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