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What is Network Time Protocol (NTP)? Well, it’s a network protocol used to synchronize clocks between computing systems over a packet switched network. It’s been around since the mid-1980s and was developed by David Mills at the University of Delaware; it is one of the oldest protocols still around on the Internet. NTP replaced other time synchronization technologies that didn’t have some capabilities to adjust time based on location of the time source or time server relative to the receiver or adjusting to the variation of delay found on typical data networks.
The CCNAX - CCNA Routing and Switching Boot Camp is a great option to obtain Cisco Routing and Switching skills while pursuing the CCNA Routing and Switching certification.
Certifications are the most common way in IT to prove you have the skills to solve various technical and business challenges. In this article, I'll address a range of skill sets. For each certification listed, I've included what the certification measures, the requirements to obtain it.
Global Knowledge subject matter experts know certification exams inside and out. Here are 10 certification exam tips and tricks, directly from our experts and Certification Prep Guides, that will best position you for certification success.
Learn about the changes to Cisco certifications with respect to voice and video, outlining dates, and deadlines that may affect your certification process.
Find out which training path is best to earn your Cisco Certified Network Associate (CCNA) Routing and Switching certification with some self-assessments, information about exam requirements and recommendations for test preparation.
Discover the top 5 highest-paying and popular Cisco certifications from the IT Skills and Salary Report. Learn how to get certified and unlock IT career opportunities.
Rich Hummel discusses about Cisco's security solutions and how Cisco's acquisition of Sourcefire has changed the security landscape. Learn more here.
This paper helps you prepare to pass the latest version of the Cisco Certified Network Associate (CCNA) Routing and Switching exam.
Learn how to solve some of the age-old and complicated puzzles of subnetting.