TCP/IP Network Administration

Requisitos previos

• Conocimientos de redes, modelo OSI
• Protocolos TCP, UDP e IP
• Protocolo de mensajes ICMP
• Conociemientos en redes de area local (LAN), topologias
• conocer los metodos de acceso como por ejemplo IEEE 802.3, ATM, Token Ring y FDDI
• Conocimientos del estandar ethernet, direcciones MAC

Course Content

Module 1: ARP and RARP

• Define address resolution
  
• Obtain a destination Ethernet address
  
• Describe the network configuration process used in system startup
  
• Describe the network configuration files and scripts that are used to configure the network interface
  
• Manage Address Resolution Protocol (ARP) cache

Module 2: Internet Layer

• Define the terms: IP, datagrams, and fragmentation
  
• List the four IPv4 address classes
  
• Define the three standard netmasks
  
• Define the network number
  
• Describe the Internet Control Message Protocol (ICMP)
  
• Complete the IP configuration exercise
  
• Discriminate between an Ethernet address, an IP address, and a broadcast address
  
• Define subnetting
  
• Determine when to implement subnets
  
• Use a subnet mask
  
• Use variable length subnet masks (VLSM)
  
• Describe Classless Interdomain Routing (CIDR)
  
• List the steps associated with implementing a subnet
  
• Discuss trunking (interface aggregation)
  
• Configure logical (virtual) interfaces
  
• Use the ifconfig command to configure network interface(s)
  
• Verify and troubleshoot a network interface

Module 3: Client-Server Model

• Define the terms: client, server, and service
  
• Describe the client-server interaction
  
• Describe Internet and RPC services
  
• Describe Open Network Computing Plus (ONC+[tm]) distributed services
  
• Identify the files used in the client-server model
  
• Add and remove Internet services
  
• Add and remove RPC services
  
• Monitor application performance using the netstat and rpcinfo commands

Module 4: DHCP

• Determine the benefits of DHCP
  
• Define DHCP client functions
  
• Define DHCP server functions
  
• Customize DHCP datastore files
  
• Discuss address lease policies
  
• Configure DHCP network services
  
• Using the DHCP manager graphical user interface (GUI)
  
• Troubleshoot common DHCP problems

Module 5: Domain Name System

• Describe the purpose of DNS
  
• List the differences between the DNS namespace, a domain, and a zone of authority
  
• Understand the concept of a nameserver
  
• Explain what a resolver is and how address resolution and reverse address resolution are handled
  
• Describe the syntax of the server- side DNS setup files, including the /etc/named.conf file, the cache file, and zone files
  
• Use resource records
  
• Explain the syntax of the client side DNS setup file, /etc/resolv.conf
  
• Describe DNS debugging and troubleshooting methods
  
• Identify DNS security issues

Module 6: Network Time Protocol (NTP)

• What is the NTP?
  
• Define an NTP environment
  
• Configure NTP servers and clients
  
• Monitor systems running the xntp and ntpd daemons
  
• Query NTP servers
  

Module 7: Apache Web Server

• configuration
• serving user pages
• virtual hosts