Which command would release the current IP address leased by a DHCP server?
Which command would release the current IP address leased by a DHCP server?
Which records must be entered in a zone file in order to use “Round Robin Load Distribution” for a
Which records must be entered in a zone file in order to use "Round Robin Load Distribution" for a web server?
Which of these tools can provide the most information about DNS queries?
Which of these tools can provide the most information about DNS queries?
Which command line create an SSH tunnel for POP and SMTP protocols?
Which command line create an SSH tunnel for POP and SMTP protocols?
Which change to your iptables rules could alleviate the problem?
An iptables firewall was configured to use the target MASQUERADE to share a dedicated wireless connection to the Internet with a few hosts on the local network.
The Internet connection becomes very unstable in rainy days and users complain their connections drop when downloading e-mail or large files, while web browsing seems to be working fine.
Which change to your iptables rules could alleviate the problem?
Which of the following can be the reason for connecting to a remote host on the same LAN using ssh public-key
Connecting to a remote host on the same LAN using ssh public-key authentication works but forwarding X11 doesn’t. The remote host allows access to both services. Which of the following can be the reason for that behaviour?
Which THREE of the following actions should be considered when a FTP chroot jail is created?
Which THREE of the following actions should be considered when a FTP chroot jail is created?
Which of the following commands to be able to access the server with the IP address 10.12.34.56 using HTTPS?
To be able to access the server with the IP address 10.12.34.56 using HTTPS, a rule for iptables has to be written. Given that the client host’s IP address is 192.168.43.12, which of the following commands is correct?
When the default policy for the iptables INPUT chain is set to DROP, why should a rule allowing traffic to loc
When the default policy for the iptables INPUT chain is set to DROP, why should a rule allowing traffic to localhost exist?
which command needs to disable ICMP Echo-Request packets sent to its broadcast address?
A server is being used as a smurf amplifier, whereby it is responding to ICMP Echo-Request packets sent to its broadcast address. To disable this, which command needs to be run?