Which security issues exist for most publicly available Vagrant boxes? (Choose three correct answers.)

A. They accept SSH logins from the user vagrant with the password vagrant.

B. They accept SSH logins from the user vagrant with a publicly available SSH key pair.

C. The vagrant user can use sudo to obtain root privileges without additional authentication.

D. Their whole file system, including configuration files, is writable by any user, including vagrant.

E. They export their file system via NFS with full write permissions without any additional restrictions.

Which sub command of docker volumen deletes all volumes which are not associated with a container? (Specify ONLY the sub command without any path or parameterr)

A. Docker does not have a specific sub-command to delete all volumes that are not associated with a container. To delete volumes that are not associated with a container, you can use the docker volume ls command to list all volumes and then manually identify the volumes that are not associated with any container. Once identified, you can use the docker volume rm command followed by the volume name or ID to delete each volume individually.

After a node's configuration is changed on a Puppet master, how can the node be instructed to apply the new configuration inmediately if the node runs a Puppet agent as a background service?

A. Run puppet refresh on the node.

B. Run puppet agent -t on the node.

C. Restart the puppet master process.

D. Run puppet master --distribute on the master.

E. Run puppet agent --node all --refresh on the master.

Consider the following log message:

Jun 30 00:36:49 headnode clustermanager{12353}: new node 198.51.100.103

This log message is processed by the following Logstash filter:

Grok {

Match => { "message", "%{SYSLOGBASE} new node %{IPORHOST:node}" } }

Which of the variables below are contained in the resulting event object? (Choose TWO correct answers)

A. node

B. grok

C. SYSLOGBASE

D. IPORHOST

E. message

Which git command restores changes that were saved using git stash save?

A. git stash merge

B. git stash revert

C. git stash pop

D. git stash restore

E. git stash commit