1) In Linux, the recommended way to define more granular sudoer permissions is to:

A) use the visudo command

B) use vi to modify /etc/sudoers

C) use the wheel group

D) use the sudoers group

2) From the Linux output below, identify the name of the highlighted field: admin:$6$Tdjyh$dD33RrbzfA4wHugGwQXxj2IjiTng9jpeC1.:18506:0:99999:7:::

A) salt

B) password hash

C) encrypted user name

D) UID

3) For a Linux system, which of the following is true after this series of commands: chmod u=rwx,go=rw myfile.txt chmod o-w myfile.txt chmod u-x,g=rx myfile.txt

A) all permissions include read

B) all permissions are set to read/write

C) group has read-only permissions

D) no permissions include execute

4) What is the command below accomplishing: ssh-copy-id -i .ssh/KEYNAME.pub user@remotehost

A) sending a client's public key for key-based authentication

B) connecting to a remote sever to get an SSH CLI session

C) generating a public/private keypair

D) getting the most recent copy of an SSH server's public key

5) On Linux, which of these is not a required step to setup an SSH server:

A) preload keys on clients

B) install the server

C) enable on boot

D) all through firewall