Lpi 202-450 Online Practice Questions and Exam Preparation

Lpi 202-450 Online Questions & Answers

• Question 51:

  It has been discovered that the company mail server is configured as an open relay. Which of the following actions would help prevent the mail server from being used as an open relay? (Choose TWO correct answers.)

  A. Restrict Postfix to only accept e-mail for domains hosted on this server.
  B. Configure Dovecot to support IMAP connectivity.
  C. Configure netfilter to not permit port 25 traffic on the public network.
  D. Restrict Postfix to only relay outbound SMTP from the internal network.
  E. Upgrade the mailbox format from mbox to maildir.
  A. Restrict Postfix to only accept e-mail for domains hosted on this server.
  D. Restrict Postfix to only relay outbound SMTP from the internal network.

• Question 52:

  Which of the following tools, on its own, can provide dial-in access to a server?

  A. mingetty
  B. pppd
  C. dip
  D. chat
  E. mgetty
  E. mgetty

• Question 53:

  The users of the local network complain that name resolution is not fast enough. Enter the command, without the path or any options, that shows the time taken to resolve a DNS query.

  A. dig
  A. dig

• Question 54:

  Which of the following sshd configuration should be set to no in order to fully disable password based logins? (Choose two.)

  A. PAMAuthentication
  B. ChallengegeResponseAuthentication
  C. PermitPlaintextLogin
  D. UsePasswords
  E. PasswordAuthentication
  B. ChallengegeResponseAuthentication
  E. PasswordAuthentication

• Question 55:

  The mailserver is currently called fred, while the primary MX record points to mailhost.example.org. What must be done to direct example.org email towards fred?

  A. Add an A record for mailhost to fred's IP address.
  B. Add a CNAME record from mailhost to fred
  C. Add another MX record pointing to fred's IP address.
  D. Add a PTR record from mailhost to fred.
  A. Add an A record for mailhost to fred's IP address.

• Question 56:

  Which of these ways can be used to only allow access to a DNS server from specified networks/hosts?

  A. Using the limit{...;};statement in the named configuration file.
  B. Using the allow-query{...;};statement in the named configuration file.
  C. Using the answer only{...;};statement in the named configuration file.
  D. Using the answer{...;};statement in the named configuration file.
  E. Using the query access{...;};statement in the named configuration file.
  B. Using the allow-query{...;};statement in the named configuration file.

• Question 57:

  nfsd, portmap and ________ daemons must be running on an NFS server.

  A. mountd
  A. mountd

• Question 58:

  Where is the user foo's procmail configuration stored, if home directories are stored in /home? Please enter the complete path to the file.

  A. /home/foo/.procmailrc
  A. /home/foo/.procmailrc

• Question 59:

  What postfix configuration setting defines the domains for which Postfix will deliver mail locally? (Please provide only the configuration setting name with no other information)

  A. mydomain
  A. mydomain

• Question 60:

  Which TWO of the following options are valid, in the /etc/exports file?

  A. rw
  B. ro
  C. rootsquash
  D. norootsquash
  E. uid
  A. rw
  B. ro