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What statement is true regarding the Swarm service created by the following command?
docker service create --name myweb --network webnet --mode global nginx
Suggested Answer: C, D, E
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31 comments · newest first
FR
Francis
11 months ago
E seems interesting, but I don't think that's correct.
BE
Bettina
11 months ago
I thought it was A at first, but B makes more sense.
YO
Yolando
11 months ago
Wait, can it really run on all nodes? Sounds off.
IN
Ines
12 months ago
Totally agree, B is the right answer!
AR
Ariel
12 months ago
It runs once on each node, that's B.
LA
Laurel
12 months ago
I’m a bit confused about the network part. Does it mean it runs on all nodes that can access `webnet`, or is it more restrictive? I think that could relate to D or E.
HE
Henriette
1 year ago
I practiced a similar question, and I think global mode means it runs on all nodes, which might be D. But I need to double-check that.
BA
Barrett
1 year ago
I remember something about global services running once on each node, so I feel like B is the right choice, but I could be mixing it up with something else.
AL
Alisha
1 year ago
I think the command specifies `--mode global`, so it should run on every node in the Swarm, but I'm not sure if that's option B or D.
FR
Frederica
1 year ago
I'm confident the answer is B. The "global" mode ensures the service runs on every node, so it will run once on each node in the Swarm.
JA
Jacquelyne
1 year ago
I'm not entirely sure about this one. I'll need to think it through step-by-step to make sure I understand the implications of the command.
RY
Ryan
1 year ago
Okay, I think I've got this. The "global" mode means the service will run on every node in the Swarm, so the correct answer is B.
TH
Thersa
1 year ago
Hmm, the "global" mode is throwing me off a bit. I'll need to review my notes on the different Swarm service modes to figure this out.
DO
Dominga
1 year ago
This looks like a tricky one. I'll need to carefully read through the question and options to understand the behavior of the Swarm service.
OW
Owen
1 year ago
I'm a little confused on this one. I know Forecasting is important for predicting revenue, but I'm not sure about the other feature. Maybe Sales Quotes could be helpful?
HO
Hortencia
1 year ago
I remember discussing the importance of service reuse, but I'm not sure why protecting it would reduce ROI. That seems counterintuitive.
MA
Marsha
1 year ago
Okay, I've got this. Code review happens before the code is merged, so the answer must be B. Merge of code.
LO
Louisa
2 years ago
This is a tough one, but I think the answer is B. The 'global' mode ensures that the service runs on every node, so it will run exactly once on each node.
CH
Christiane
1 year ago
Thanks for clarifying that. I understand it better now.
DO
Domonique
1 year ago
Yes, exactly. It's a good choice for services that need to be running on every node.
MA
Margart
1 year ago
That makes sense. So it will run on each node in the Swarm.
KI
Kimberely
1 year ago
I think the answer is B. The 'global' mode ensures that the service runs on every node, so it will run exactly once on each node.
BA
Barbra
2 years ago
Ah, I remember learning about the 'global' mode in Docker Swarm. The correct answer has to be B. It runs exactly once on each node in the Swarm.
ST
Stephanie
2 years ago
Haha, this question is a real brain-teaser! I'm going to guess C, just to see what happens. Who knows, maybe I'll get lucky!
SO
Sommer
2 years ago
Hmm, I'm not sure about this one. The 'global' mode is a bit tricky, but I'll go with D. It runs on all nodes which provide the network 'webnet'.
PR
Precious
1 year ago
User2: That makes sense, I'll go with D too.
FE
Felix
1 year ago
User1: I think it runs on all nodes which provide the network 'webnet'.
AV
Avery
2 years ago
I'm not sure, but I think the answer might be D.
MA
Matthew
2 years ago
I think the correct answer is B. The 'global' mode ensures that the service runs on every node in the Swarm, so it will run exactly once on each node.
JE
Jesusa
2 years ago
I agree with Venita, because the command creates a service that can be scaled to multiple replicas.
VE
Venita
2 years ago
I think the answer is C.