050-720

050-720 practice questions, page 4 of 6, with answer review and explanations.

Question 16

In which file is the name resolution configured?

  1. /etc/dns.conf
  2. /etc/resolv.conf
  3. /etc/HOSTNAME
  4. /etc/nameservers
  5. /etc/sysconfig/network/dns

Question 17

Which command can you use to set up limits for failed logins?

  1. w
  2. who
  3. last
  4. faillog
  5. lastlog

Question 18

Which file system type supports ACLs without a special mount option?

  1. ext2
  2. ext3
  3. XFS
  4. ReiserFS

Question 19

Which statement about the /sbin/ldconfig command is correct?

  1. The ldconfig command is used to link directories.
  2. The ldconfig command is used to configure an LDAP connection.
  3. The ldconfig command is used to update the software library cache.
  4. The ldconfig command is used to show dynamic libraries needed by a program.

Question 20

Which command displays information about your hard drive and lets you manage certain hard drive parameters?

  1. siga
  2. sitar
  3. fdisk
  4. lspci
  5. iostat
  6. hwinfo
  7. hdparm