Wildcard Mask

Posted 2 CommentsPosted in Access-Lists, CCNA (ICND2), Routing

Before we can start to explain how routing protocols work, we need an understanding of wildcard masks.   The concept of wildcard mask is one that many people struggle with at first, but with a little time and practice it’s becomes second nature. Converting a full class subnet mask into a wildcard mask quite straight […]

What is Binary?

Posted 1 CommentPosted in CCENT (ICND1), Networking 101

Bit’s, crumbs, nibbles, bytes, megabytes ??? Ever wondered why when you buy a 250 Gigabyte hard drive and you format it, you never actually get 250 Gigabytes??? Well it’s all in the exact wording used, and how the information is reported to you. If we understand the terms of binary, and the difference between a […]