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Exam 701-100 topic 1 question 33 discussion

Actual exam question from LPI's 701-100

Question #: 33
Topic #: 1

[All 701-100 Questions]

The following command is issued on two docker nodes:
docker network create --driver bridge isolated_nw
Afterwards, one container is started at each node with the parameter --network=isolated_nw. It turns out that the containers can not interact with each other.
What must be done in order to allow the containers to interact with each other? (Choose two correct answers.)

A. Use a host network instead of a bridged network.
B. Add the option --inter-container to the docker network create command.
C. Start the containers on the same node.
D. Change the --network parameter of docker create to --network=isolated_nw,nofence.
E. Use an overlay network instead of a bridged network.

Show Suggested Answer

Suggested Answer: CD 🗳️
Reference https://docs.docker.com/v17.09/engine/userguide/networking/#bridge-networks

by elies_jebri at Jan. 14, 2020, 2:14 p.m.

Comments

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alex87

1 year, 2 months ago

Selected Answer: CE

C and E are correct

upvoted 1 times

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MJ06

2 years, 7 months ago

"User-defined bridge networks are best when you need multiple containers to communicate on the same Docker host. Overlay networks are best when you need containers running on different Docker hosts to communicate, or when multiple applications work together using swarm services." C & E look best https://docs.docker.com/network/

upvoted 3 times

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Blob21

2 years, 10 months ago

https://docs.docker.com/network/network-tutorial-standalone/ https://docs.docker.com/network/ C and E

upvoted 3 times

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hmagroun

4 years ago

i agree with C and E "--network=isolated_nw,nofence" : it seems strage as syntax I found nowhere "nofence" option

upvoted 4 times

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hector1978

4 years, 2 months ago

I agree. The correct answers are C and E

upvoted 2 times

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elies_jebri

4 years, 3 months ago

C and E seem to be best choices