Voice over IP (VoIP) is becoming more and more common in homes and companies. IDC estimates that the number of IP telephones activated will triple between 2006 and 2010. Because of the increasing importance of VoIP and Cisco's growing emphasis on it, the networking giant has increased the significance of VoIP in its certification exams. Let's review the emphasis on VoIP in popular Cisco certifications.
Cisco offers five different certification tracks, each with its own level of expertise. Specifically, I want to talk about two of these tracks: Routing & Switching, and Voice.
Routing & Switching
You might not expect to see any VoIP topics when taking Cisco certifications that revolve around routing and switching, but there have recently been some changes in that area.
Voice
Just like other Cisco certification tracks, there are three levels of expertise in Cisco's voice specialization certifications, starting with the CCNA as the associate (entry level) certification. The professional and expert level certifications are:
CCNP test changes
The CCNP is the most popular intermediate-level Cisco certification, so let's spend some time learning what you need to know to prepare yourself for the updated CCNP certification test.
The CCNP requires that you pass five tests. In the table below, you can see the old and the new exams required to achieve your CCNP:
[TABLE]
Of greatest importance is that all five test numbers have changed. When test numbers change, test content changes. This means that all test preparation material needs to be u
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pdated. Make sure you are prepared for these exams by ensuring that you have the latest test prep material for the newly updated CCNP exams.
CCNP VoIP content
I want to go into detail on which of these exams contain VoIP content and what you need to know about it.
Of the five tests, two specifically mention VoIP. They are 642-845, "Optimized Converged Cisco Networks," and 642-812, "Building Converged Cisco Multilayer Switched Networks." If you'll notice, the titles of these exams have one thing in common: the word "converged."
Converged networks are where all traffic (voice and data) rides a common network backbone. In other words, converged networks are VoIP networks. Also, it is interesting that there is an entire CCNP test covering network optimization.
In the 642-845 exam, you will be asked to "describe Cisco VoIP implementations." Specifically, you need to be able to do the following (according to Cisco):
In the 642-812 exam, you will be asked to "Configure support for voice." Specifically, you will be asked to do the following (according to Cisco):
For Cisco VoIP certification books and resources, see CCVP Resources from Cisco Press.
About the author:
David Davis (CCIE #9369, CWNA, MCSE, CISSP, Linux+, CEH) has been in the IT industry for 15 years. Currently, he manages a group of systems/network administrators for a privately owned retail company and authors IT-related material in his spare time. He has written more than 50 articles, eight practice tests and three video courses, and has co-authored one book. His Web site is HappyRouter.com.
