Lpi 117-303 : LPI Level 3 Exam (LPI 303: Security)

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Lpi LPI Level 3 Exam (LPI 303: Security) Sample Questions:

1. 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?

A) The server's SSH host key cannot be found in the list of known hosts.
B) The user's SSH client was unable to connect to the remote host's authentication agent for verification.
C) The RSA key fingerprint was found in the SpamCop database, indicating that the remote host is a known spammer.
D) The user's SSH client is incompatible with the server's RSA key.

2. Which of the following are builtin chains for the iptables nat table? (Select THREE correct answers)

A) INPUT
B) PREROUTING
C) OUTPUT
D) PROCESSING
E) POSTROUTING

3. Which GPG command is used to create a revocation certificate in case a GPG key ever needs to be cancelled?

A) gpg genrevoke name
B) gpg revoke name
C) gpg editkey name followed with the revoke command.
D) gpg createrevoke name

4. SELinux is a Linux feature that:

A) provides only Mandatory Access Control policies. Additional access control models such as Rolebased access control require additional tools to implement.
B) enforces Mandatory Access Control policies that can restrict user space programs and system servers to the minimum amount of privilege required to operate correctly.
C) monitors system file access by unprivileged users and warns them when they are trying to gain access to files beyond their permission levels set in the Mandatory Access Control policies.
D) ensures that system files referenced in the Mandatory Access Control policies are not modified and alerts administrators when changes occur.

5. CORRECT TEXT
Which tool, distributed with BIND 9, will check the syntax of a named configuration file? (Supply only the program name, without any options or parameters)

Solutions: