Sample Questions:

Identify the correct statements about the tr command? (Choose all that apply.)

It works from STDOUT

It helps in Regex pattern matching.

It can be used to delete a set of characters.

It can be used to merge multiple blank lines into one.

It can be used to translate one set of characters into another.

A group of users on a Linux system have a common working directory /documents with 1770 permissions. You have a scenario where you have to let all users of the group delete any file or directory in /documents. What would you do in this situation to let them delete any file or directory in /documents?

Remove sticky bit on the directory

Set 3770 permissions on /documents

Set rwx permissions for others on /documents

Set 777 permissions on all files and directories in /documents.

As the user smith you issue the following command: [smith@station1 ~]$ scp file1 bob@station1:~bob Enter passphrase for key '/home/smith/.ssh/id_dsa': file1 100% 0 0.0KB/s 00:00 [smith@station1 ~]$ What is the authentication method used in the node?

Password authentication

Public Key Authentication

Host-based authentication

KeyBoard-Interactive Authentication

Challenge Response Authentication

Identify the true statement about AutoFS.

AutoFS mounting can be triggered only by a root user.

Both on demand mounting and unmounting of file systems is taken care of by AutoFS.

AutoFS automatically mounts the file systems on demand but requires manual unmounting.

AutoFS requires manual mounting of file systems but unmounts them without user intervention.

Which two statements are true about lp? (Choose two.)

It submits files for printing.

It cannot alter a pending job.

By default it sets a priority of 100 to any print job.

It uses "localhost" or the value of the CUPS_SERVER environment variable as the default hostname.