Detailed Objective

Weight: 1

Description:
Candidates should be able to identify and correct common network setup issues, to include knowledge of locations for basic configuration files and commands.

• Key knowledge area(s):
  • Location and content of access restriction files as /etc/hosts
  • Utilities to configure and manipulate ethernet network interfaces
  • Utilities to manage routing tables
  • Utilities to list network states.
  • Utilities to gain information about the network configuration
  • Methods of information about the recognised and used hardware devices
  • System initialisation files and their contents (SysV init process)

• The following is a partial list of the used files, terms and utilities:
  • /sbin/ifconfig
  • /sbin/route
  • /bin/netstat
  • /etc/network || /etc/sysconfig/network-scripts/
  • System log files such as /var/log/syslog &&/var/log/messages
  • /bin/ping
  • /etc/resolv.conf
  • /etc/hosts
  • /etc/hosts.allow && /etc/hosts.deny
  • /etc/hostname || /etc/HOSTNAME
  • /sbin/hostname
  • /usr/sbin/traceroute
  • /usr/bin/nslookup
  • /usr/bin/dig
  • /bin/dmesg
  • /usr/bin/host