101-400

101-400 practice questions, page 5 of 7, with answer review and explanations.

Question 21

What can the Logical Volume Manager (LVM) be used for? (Choose THREE correct answers.)

  1. To create RAID 9 arrays.
  2. To dynamically change the size of logical volumes.
  3. To encrypt logical volumes.
  4. To create snapshots.
  5. To dynamically create or delete logical volumes.

Question 22

Which of the following commands updates the linker cache of shared libraries?

  1. mkcache
  2. soconfig
  3. mkldconfig
  4. lddconfig
  5. ldconfig

Question 23

Which of the following commands lists all currently installed packages when using RPM package management?

  1. yum --query --all
  2. yum --list --installed
  3. rpm --query --all
  4. rpm --list installed

Question 24

Which of the following commands can be used to download the RPM package kernel without installing it?

  1. yum download --no-install kernel
  2. yumdownloader kernel
  3. rpm --download --package kernel
  4. rpmdownload kernel

Question 25

When using rpm --verify to check files created during the installation of RPM packages, which of the following information is taken into consideration? (Choose THREE correct answers.)

  1. Timestamps
  2. MD5 checksums
  3. Inodes
  4. File sizes
  5. GnuPG signatures