Which file contains a set of services and permitted hos…
Which file contains a set of services and permitted hosts that will be allowed to connect to the server by going through a TCP Wrapper program such as tcpd?
(Please enter the full path)
which users can execute commands using sudo?
Which file lists which users can execute commands using sudo? (Provide the full path and filename)
________ 0 -print (Provide only the missing argument)
When searching for files owned by the root user, which option is required in the following command line:find . ________ 0 -print
(Provide only the missing argument)
Please complete the following command: touch /etc/______
You want to temporarily prevent users from logging in. Please complete the following command:
touch /etc/______
(Please specify the command with no path information, o…
You can run the ________ command to see active network and UNIX domain socket connections as well as other open files. (Please specify the command with no
path information, options or parameters)
how many usable IPs do you have left?
Your ISP has given you an IP block for your use. The block is 192.168.112.64/29. If your network administrator uses the first usable IP for the router he’s installed
on your network, how many usable IPs do you have left? (Please enter the number and not a word)
What is the assigned port number for the HTTP service?
What is the assigned port number for the HTTP service? (Provide the number with digits and not as a word)
What port should be listening before a successful conne…
An administrator is configuring a secured webserver, however connecting to https://127.0.0.1 is not working. She 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)
What is the command to delete the default gateway from …
What is the command to delete the default gateway from the system IP routing table? (Please specify the complete command with arguments)
which file will be queried first for hostname lookups?
Given the following line from /etc/nsswitch.conf:hosts: files mdns4_minimal [NOTFOUND=return] dns mdns4
By default, which file will be queried first for hostname lookups? (Provide the full path and filename)