Which directive must be set to 0 in a host or service definition to prevent Nagios from sending more than one
Which directive must be set to 0 in a host or service definition to prevent Nagios from sending more than one alert for a particular event?
(Specify only the directive without any options or parameters)
Which of the following are builtin chains for the iptables nat table?
Which of the following are builtin chains for the iptables nat table?
(Select 3 correct answers)
An administrator has created a mapping with the following command
An administrator has created a mapping with the following command:
cryptsetup luksOpen /dev/sda1 cryptvol
and hat set 3 different keys. Which command below will delete the first key?
Which parameter in sshd_config will allow the administrator to systematically provide access to certain user a
Specifying the _____________ parameter in sshd_config will allow the administrator to systematically provide access to certain user accounts by name.
Which command will list all of the extended attributes on the file afile.txt with the values?
Which command will list all of the extended attributes on the file afile.txt with the values?
What does this indicate?
A user is attempting to connect to a remote server via SSH and receives the following message:
The authenticity of host ‘mail.example.com (208.77.188.166)’ can’t be established.
RSA key fingerprint is 92:32:55:e9:c4:20:ae:1b:2c:d7:91:40:90:89:1c:ad.
Are you sure you want to continue connecting (yes/no)?
What does this indicate?
Which command is used to add an additional name, email address and comment to an existing private key?
Which command is used to add an additional name, email address and comment to an existing private key?
What is the most likely reason for this?
An administrator has just configured vsftp and notice that she cannot follow symbolic links when connected to the FTP server. What is the most likely reason for this?
Which of the following options could resolve the problem “Host key verification failed.”?
A user is attempting to connect to a remote host via SSH and following message is displayed:
Host key verification failed.
Which of the following options could resolve the problem?
(Select 2 correct answers)
SELinux is a Linux feature that
SELinux is a Linux feature that: