How are SELinux permissions related to standard Linux permissions?

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A user that is allowed to use the su command under SELinux is also allowed to switch from the
user role to the sysadmin role. What command will run a new shell for the user in the new context?
(Specify the command only, with no path, options or arguments)

What is the difference between an SELinux domain and an SELinux type?

An SELinux security context is required to ensure that all files in /opt have the default context of
system_u:object_r:usr_t. How should the corresponding configuration entry be formatted?

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Specifying the ___________ parameter in sshd_config will allow the administrator to
systematically provide access to certain user accounts by name.

An administrator can prevent dictionary based attacks against an OpenSSH server by forcing
keybased authentication with which TWO parameters in sshd_config?

A user is attempting to connect to a remote server via SSH and receives the following message:
The authenticity of host ‘mail.example.com (208.77.188.166)’ can’t be established.
RSA key fingerprint is 92:32:55:e9:c4:20:ae:1b:2c:d7:91:40:90:89:1c:ad.
Are you sure you want to continue connecting (yes/no)?
What does this indicate?

A user is attempting to connect to a remote host via SSH and following message is displayed:
Host key verification failed.
Which of the following options could resolve the problem? (Select TWO correct answers)

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Where is the global list of known SSH host keys located? (Supply the full path and filename)

Which of the following are valid NFSv4 security types?