An ISP has given an administrator an IP block for use. The block is 192.168.112.64/26. If the administrator uses the first usable IP for the router that is installed on the network, how many usable IPs are left? (Please enter the number and not a word)
An administrator is logged in as root. What command should the administrator run to find out what groups user bruno belongs to?
An administrator is configuring a secured webserver, however connecting to https://127.0.0.1 is not working. The administrator runs netstat -ntl, which returns the following output: tcp 0 0 0.0.0.0:80 0.0.0.0:* LISTEN What port should be listening before a successful connection is possible? (Provide only the numerical value of the port).
After configuring printing on a Linux server, the administrator sends a test file to one of the printers and it fails to print. What command can be used to print the status of the printer's queue? (Provide only the command, without any options or parameters).
By default, which directories contents will be copied to a new user's home directory when the account is created, passing the -m option to the useradd command?
Which IP protocol is connectionless and unreliable? (Please enter only a single answer and do not enter
duplicate answers in this field.)
What is the command to delete the default gateway from the system IP routing table? (Please specify the complete command with arguments, please no duplicate answers in this field.)
Which option, when passed to the gpg command, will enter an interactive menu enabling the user to perform key management related tasks? (Provide only one option).
To slave the NTP daemon to an external source, an administrator needs to modify the ______ variable in the /etc/ntp.conf file.
An administrator wants to temporarily prevent users from logging in. Please complete the following commanD. touch /etc/______
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