TCP/IP overview course description
A concise overview course covering TCP/IP with particular emphasis on the addressing and security issues of TCP/IP networks.
Who will benefit?
Anyone, although the course is particularly aimed at non-technical personnel needing some knowledge of TCP/IP.
TCP/IP overview prerequisites
1 day networking fundamentals.
TCP/IP overview 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.
Duration: 1 day
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TCP/IP overview
course contents
What is TCP/IP?
Internetworking, protocols, services. The Internet, RFCs,
comparison with OSI 7 layer model.
Addressing
IP address format, rules of IP addressing, where to get
IP addresses, DHCP,
Subnetting
What is a subnet mask? How subnet masks are used to determine
network numbers, the impact of subnet masks on the number
of hosts in a network.
Case study
IP addressing.
NAT
Private versus public IP addresses, NAT, PAT.
Routers
What is a router? how routers join networks, benefits and
disadvantages of routers, default gateways, routing tables,
routing protocols.
Firewalls
Port numbers, filtering, DMZ, authentication, stateful
packet inspection, proxies, Intrusion Detection Systems.
DNS
How hostnames are converted to IP addresses.
Example of connecting to a web server
URLs, Walkthrough at overview level of what happens when
a client browser connects to a web server.
Example of sending an email
Walkthrough at overview level of what happens when a user
sends an email.
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