Lpi LPI Certifications 202-450 Questions & Answers

• Question 251:

  A DNS server has the IP address 192.168.0.1. Which TWO of the following need to be done on a client machine to use this DNS server?

  A. Add nameserver 192.168.0.1 to /etc/resolv.conf

  B. Run route add nameserver 192.168.0.1

  C. Run ifconfig eth0 nameserver 192.168.0.1

  D. Run echo "nameserver 192.168.1.1" >> /etc/resolv.conf

  E. Run bind nameserver 192.168.1.1

  Correct Answer: AD

• Question 252:

  Which port must be open on a firewall, to allow a DNS server to receive queries? (Enter only the port number).

  A. 53

  Correct Answer: A

• Question 253:

  Which TWO of the following wireless tools can be used to check the wireless network link quality?

  A. iwconfig

  B. iwlink

  C. iwscan

  D. iwifi

  E. iwspy

  Correct Answer: AE

• Question 254:

  When connecting to an SSH server for the first time, its fingerprint is received and stored in a file, which is located at:

  A. ~/ .ssh/fingerprints

  B. ~/ .ssh/id_dsa

  C. ~/ .ssh/known_hosts

  D. ~/ .ssh/id_dsa.pub

  E. ~/ .ssh/gpg.txt

  Correct Answer: C

• Question 255:

  Which command can be used to change the password for an LDAP entry?

  A. ldappasswd

  Correct Answer: A

• Question 256:

  Please enter the command with all parameters and arguments, that could be used by root to list the cron jobs for the user john.

  A. crontab -u john -l

  Correct Answer: A

• Question 257:

  The command route shows the following output:

  

  Which of the following statements is correct?

  A. The network 169.254.0.0 is not a valid route.

  B. The host 194.168.123.5 is temporarily down.

  C. The host route 194.168.123.5 is rejected by the kernel.

  D. The "!H " signals that traffic to the host 194.168.123.5 is dropped.

  E. The network path to the host 194.168.123.5 is not available.

  Correct Answer: C

• Question 258:

  When the default policy for the iptables INPUT chain is set to DROP, why should a rule allowing traffic to localhost exist?

  A. All traffic to localhost must always be allowed.

  B. It doesn't matter; iptables never affects packets addressed to localhost

  C. Sendmail delivers emails to localhost

  D. Some applications use the localhost interface to communicate with other applications.

  E. syslogd receives messages on localhost

  Correct Answer: D

• Question 259:

  In which configuration file can a key-file be defined to enable secure DNS zone transfers? (Please enter the file name without the path)

  A. named.conf

  Correct Answer: A

• Question 260:

  The new file server is a member of the Windows domain "foo". Which TWO of the following configuration sections will allow members of the domain group "all" to read, write and execute files in "/srv/smb/data"?

  A. [data] comment = data share path = /srv/smb/data write list = @foo+all force group = @foo+all create mask = 0550 directory mask = 0770

  B. [data] comment = data share path = /srv/smb/data write list = @foo+all force group = @foo+all create mask = 0770 directory mask = 0770

  C. [data] path = /srv/smb/data write list = @foo+all force group = @foo+all create mask = 0770 directory mask = 0770

  D. [data] comment = data share path = /srv/smb/data write list = @foo+all force group = @foo+all directory mask = 0770

  E. [data] comment = data share path = /srv/smb/data write list = @foo+all force group = all create mask = 0550 directory mask = 0770

  Correct Answer: BC