CORRECT TEXT
Add users: user2, user3.
The Additional group of the two users: user2, user3 is the admin group Password: redhat

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SIMULATION
Create a swap space, set the size is 600 MB, and make it be mounted automatically after rebooting the system (permanent mount).

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Your System is configured in 192.168.0.0/24 Network and your nameserver is 192.168.0.254. Make successfully resolve to server1.example.com.

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CORRECT TEXT
Install a FTP server, and request to anonymous download from /var/ftp/pub catalog. (it needs you to configure yum direct to the already existing file server. )

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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

• A.It runs exactly one time in the Swarm and cannot be scaled.
• B.It runs exactly once on each node in a Swarm.
• C.It runs on one node by default and can be scaled to an arbitrary number of replicas.
• D.It runs on all nodes which provide the network webnet.
• E.It runs only on those nodes which support the network type global.

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