CCNA 1.5 Develop an access list to meet user specifications
Access lists provide a powerful mechanism for restricting what network traffic can flow through a router and can be used for other purposes like identifying interesting traffic for dial on demand routing, prioritizing traffic for quality of service, and network address translation.
Develop an access list to meet user specifications
Implementing access lists comes down the road in objective 2.10. For now, it is only important to understand the types of access lists, their uses, and their overall design.
NetworkClue has an overview of access lists that provides a good starting point.
A longer article called Demystifying Cisco Access Control Lists provides a great and more thorough review of access lists. The Anatomy of an Access List PDF referenced on the first page is an awesome reference and is definitely printer worthy. The article gets into the how which we will revisit down the road, but it won’t hurt to read through it now.