This week’s sneak peek of a Cisco Press book is actually an Exam Cram book that’s part of Cisco Press’ InformIT network. The book is Jeremy Cioara’s CCNA Practice Questions (Exam 640-802), 3rd Edition ...
To understand how subnetting works, you first must have a good basic understanding of IP addresses. An IP address is set of binary octets broken into quads. That definition may not have made any sense ...