Course objectives: By the end of the course delegates will be able to:
- Describe TCP/IP.
- List the rules of IP addressing.
- Recognise the impact of the addressing rules on adds/moves and changes.
- Recognise the use of subnet masks.
- Explain how firewalls work.
- Describe (at a simple level) how TCP/IP is used when connecting to a web server and when sending an email.
Course content:What is TCP/IP?Internetworking, protocols, services. The Internet, RFCs, comparison with OSI 7 layer model.
AddressingIP address format, rules of IP addressing, where to get
IP addresses, DHCP,
SubnettingWhat is a subnet mask? Ho- subnet masks are used to determine network numbers, the impact of subnet masks on the number of hosts in a network.
Case studyIP addressing.
NATPrivate versus public IP addresses, NAT, PAT.
RoutersWhat is a router? ho- routers join networks, benefits and disadvantages of routers, default gateways, routing tables, routing protocols.
FirewallsPort numbers, filtering, DMZ, authentication, stateful packet inspection, proxies, Intrusion Detection Systems.
DNSHo- hostnames are converted to IP addresses.
Example of connecting to a web serverURLs, Walkthrough at overvie- level of what happens when a client browser connects to a web server.
Example of sending an emailWalkthrough at overvie- level of what happens when a user sends an email.
A concise overview course covering TCP/IP with particular emphasis on the addressing and security issues of TCP/IP networks.