A server administrator created a new script and included the path to the script binary as the first line of the script. Which of the following scripting languages did the administrator most likely use?

Joe, a user in the IT department, cannot save changes to a sensitive file on a Linux server. An is - la shows the following listing:
-rw-r--r 1 Ann IT 6780 12 June 2019 filename
Which of the following commands would BEST enable the server technician to allow Joe to have access without granting excessive access to others?

An administrator is able to ping the default gateway and internet sites by name from a file server.
The file server is not able to ping the print server by name. The administrator is able to ping the file server from the print server by both IP address and computer name. When initiating an nslookup from the file server for the print server, a different IP address is returned. Which of the following is most likely the cause?

A technician is configuring a new server with four disks for the development team. The requirements are disk redundancy and maximum usable disk capacity. Which of the following RAID levels should be used for this server?

A user cannot save large files to a directory on a Linux server that was accepting smaller files a few minutes ago. Which of the following commands should a technician use to identify the issue?