Lpi 117-303

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Lpi 117-303 Exam Syllabus Topics:

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

1. DNS servers are vulnerable to which of the following attacks? (Select THREE correct answers)

A) ManintheMiddle
B) Smurf Attack
C) PasswordBased Attack
D) Cache Poisoning
E) Fork Bomb Attack

2. An administrator has just configured vsftp and notices that she cannot follow symbolic links when connected to the FTP server. What is the most likely reason for this?

A) This installation of vsftpd was not compiled with support for symbolic links.
B) The follow_symlinks=no option has been set in vsftpd.conf.
C) vsftpd is running in a chroot environment.
D) The user account she is connecting with is not listed in /etc/security/ftpusers.

3. On a new Linux system, the root user is being asked to provide the root user password before being able to use the su command. What line in the /etc/pam.d/su file will allow root to use su without supplying passwords?

A) auth required pam_norootpw.so
B) auth sufficient pam_rootok.so
C) auth sufficient pam_norootpw.so
D) auth required pam_rootok.so

4. What are the steps which must be followed to enable serverwide zone transfers between two BIND 9 servers securely using TSIG?

A) Generate a key, specify the private key in the named configuration on both servers, create a server statement in the named configuration on both servers.
B) Generate a key, specify the public key in the named configuration on both servers, create a server statement in the named configuration on both servers.
C) Generate a key, specify the private key in the named configuration on one server and the public key in the named configuration on the other, create a server statement in the named configuration on both servers.
D) Generate a key, specify the private key in the named configuration on one server and the public key in the named configuration on the other, create a remote statement in the named configuration on both servers.

5. The system administrator wishes to use the pam_listfile.so module to restrict which users are allowed to login via SSH. Which line will configure this behaviour?

A) auth required pam_listfile.so item=user sense=allow file=/etc/sshd/sshd.allow onerr=fail
B) auth required pam_listfile.so item=user sense=allow file=/etc/sshd/sshd.allow onerr=succeed
C) auth required pam_listfile.so item=user sense=deny file=/etc/sshd/sshd.deny onerr=succeed
D) auth required pam_listfile.so item=user sense=deny file=/etc/sshd/sshd.deny onerr=fail

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