1. What are the industry trends that motivated Cisco to create the CCNA Voice concentration? Today, organizations of all types are moving toward a single, IP-based network that carries data, voice, and…
CCNP BCMSN(642-812) Lab – AAA dot1x(New)
Acme is a small shipping company that has an existing enterprise network comprised of 2 switches;DSW1 and ASW2. The topology diagram indicates their layer 2 mapping. VLAN 40 is a new VLAN…
Internetworking/Networks
A network is defined as a group of two or more computers linked together for the purpose of communicating and sharing information and other resources, such as printers and applications. Most networks…
The TCP/IP Model
TCP/IP and the OSI Reference Model As illustrated in Figure 1.2, the TCP/IP model consists of four layers, each of which can have several sublayers. These layers correlate roughly to layers in…
The 7 Layer OSI Model
The OSI Reference Model The OSI is the Open System Interconnection reference model for communications. As illustrated in Figure 1.1, the OSI reference model consists of seven layers, each of which can…
IP subnetting
IP subnetting is a fundamental subject that’s critical for any IP network engineer to understand, yet students have traditionally had a difficult time grasping it. Over the years, I’ve watched students needlessly…
Pass4sure Coupon Promotion Code
From 2009, Pass4sure will reform the promotion code system, which means most of the old coupons would be cancelled. And new discount codes will be released occasionally. CiscoBible would like to express…
10 Steps To A Quality Cisco Certification
With the rapid growth and expansion in the field of network technology there is increasing demand for skilled network professionals. Cisco Systems has long been the industry leader in the field of…
Converting IPv4 to IPv6 and back
Converting from IPv4 to IPv6 Is so easy, yet everyone seem to convert a IPv4 address to binary, then to IPv6. Why? Why waste time and do things the long way? Not…