Lpi LPI Certifications 202-450 Questions & Answers

• Question 231:

  How can a user's default shell be checked, by querying an NIS server?

  A. ypquery [email protected]

  B. ypgrep user example.com

  C. ypmatch -d example.com user passwd

  D. ypcat -d example.com user

  E. ypq @example.com user +shell

  Correct Answer: D

• Question 232:

  Which type of DNS record defines which server(s) email for a domain should be sent to?

  A. MX

  Correct Answer: A

• Question 233:

  Which daemon is required on the client if an ethernet device gets its IP address from a central server?

  A. dhcp

  B. dhcpcd

  C. bootpd

  D. ethd

  E. dhcpd

  Correct Answer: B

• Question 234:

  A new user was created on a master NIS server using useradd but cannot log in from an NIS client.

  Older users can log in. Which step was probably forgotten, when creating the new user?

  A. Running yppush on the NIS server to propagate map changes to NIS clients

  B. Running make inside /var/yp on the NIS server to generate new maps

  C. Starting the yppasswdd daemon on the NIS server to receive login re quests from NIS clients

  D. Starting the ypxfr daemon on the NIS client to fetch map changes from the NIS server

  E. Restarting ypxfr daemons on the NIS client and server to fetch map changes

  Correct Answer: A

• Question 235:

  Please enter the command used to remove Kerberos tickets from the cache below.

  A. kdestroy

  Correct Answer: A

• Question 236:

  A malicious user has sent a 35MB video clip, as an attachment, to hundreds of Recipients. Looking in the outbound queue reveals that this is the only mail there.

  This mail can be removed with the command rm _______________ * . Complete the path below.

  A. /var/spool/mqueue/

  Correct Answer: A

• Question 237:

  Connecting to a remote host on the same LAN using ssh public-key authentication works but forwarding X11 doesn't. The remote host allows access to both services. Which of the following can be the reason for that behavior?

  A. The remote user's ssh_config file disallows X11 forwarding

  B. The remote server's sshd_config file disallows X11 forwarding

  C. A different public key has to be used for X11

  D. X11 cannot be forwarded if public-key authentication was used E. X11 though SSH needs a special X11 server application installed

  Correct Answer: B

• Question 238:

  What security precautions must be taken when creating a directory into which files can be uploaded anonymously using FTP?

  A. The directory must not have the execute permission set.

  B. The directory must not have the read permission set.

  C. The directory must not have the read or execute permission set.

  D. The directory must not have the write permission set.

  E. The directory must not contain other directories.

  Correct Answer: B

• Question 239:

  A program, called vsftpd, running in a chroot jail, is giving the following error: /bin/vsftpD. error while loading shared libraries: libc.so.6: cannot open shared object filE. No such file or directory. Which TWO of the following are possible solutions?

  A. Get the vsftp source code and compile it statically.

  B. The file /etc/ld.so.conf must contain the path to the appropriate lib directory in the chroot jail

  C. Create a symbolic link that points to the required library outside the chroot jail

  D. Copy the required library to the appropriate lib directory in the chroot jail.

  E. Run the program using the command chroot and the option --static_libs

  Correct Answer: AD

• Question 240:

  When configuring a PPP dial-in server, which option is used (in the pppd configuration file) to enable user authentication against the system password database?

  A. login

  B. auth

  C. local

  D. password

  E. user

  Correct Answer: A