Cisco Certifications test networking professionals on their skills in design, installation, management and troubleshooting of computer networks. Cisco Press, the official publisher of Cisco certification self-study titles, and Pearson IT Certification offer a wide array of Cisco Certification learning tools for CCNA, CCNP, CCIE, and many other Cisco career certifications.
CCENT • CCNA Routing and Switching • CCNA Security • CCNA Voice • CCNA Wireless • CCDA • CCDP • CCNP Routing and Switching • CCNP Security • CCNP Voice • CCNP Wireless • CCIE • Other Cisco Certifications
Have you ever adjusted to a new area code or ZIP code? Everyone needs unique phone numbers and addresses, which is a struggle for the phone companies and the post office. The Internet has the same growing pains on a planetary scale, with everyone's Net-connected devices needing unique IP addresses. Sean Wilkins, co-author of CCNA Routing and Switching 200-120 Network Simulator, explains how Network Address Translation makes it possible for all of us and our gadgets to communicate.
When you type an address into a browser and hit Enter, you expect to arrive at the intended website. Without the Domain Name System (DNS), that wouldn't happen. Whether simple or very complex, networks worldwide rely on the DNS to connect client and target. Sean Wilkins, co-author of CCNA Routing and Switching 200-120 Network Simulator, explains how DNS connects one person or server with another, and why you need to know about this undervalued service.
You're probably using the Dynamic Host Configuration Protocol (DHCP) right now, as you read this article. Surprised? Sean Wilkins, co-author of CCNA Routing and Switching 200-120 Network Simulator, explains what you need to know about the use of DHCP in modern communications.
In the conclusion of this series, Sean Wilkins, co-author of CCNA Routing and Switching 200-120 Network Simulator, explains how to untangle the detailed network information provided by two popular network routing protocols.
If you're in the market for cert books, practice tests, or video training materials, head on over to Pearson IT Certification, where you'll find savings of up to 55% on a storewide basis (you must buy two or more items to get the big discount; single items get 35% off instead).
It gives me great pleasure to write this week's blog post, not only because I can tip my hat to the many veterans who've so ably and nobly served this country, but because I can provide some pointers for younger vets and active duty military personnel facing the transition back into civilian employment to get certified on their way out of the service and/or into the workforce. I'm also especially grateful to my Dad, Al, who served the USA in WWII and Korea, and who managed to make a 27-year career in the US Army as a member of the reserves.
For those of you who don't already know, we've re-created my print book entitled "IT Certification Success" (which appeared in 5 paper editions between 1999 and 2005) as an e-book right here at PITC. It's available through "Ed Tittel's IT Certification Success" any time you'd care to check it out. One of its most popular features is called "Ranking Certifications" wherein we apply a series of metrics to compare over 100 IT certifications by level of difficulty, time required for completion, number of exams involved, out of pocket cost, background and experience required, and average pay for certifications holders. We've just finished updating this massive research effort and for today's blog, I want to report on what changed since this ranking was last updated in 2014.
Earlier this week, it was my pleasure and privilege to moderate a webcast for Pearson IT Certification (PITC) and InformIT from the inimitable Zed Shaw, programmer extraordinaire and the inventor of the terrific "The Hard Way" series of programming books. In preparing for this and upcoming PITC webcasts -- I'll be your relentlessly cheerful moderator for the foreseeable future for such delights -- I found myself poking around the current library of such offerings, and thinking about new items that will be added to this growing collection.