January 31, 2020 update: No, you're not crazy. Cisco changed the exam number from 300-401 to 350-401. For your convenience, I've put together the following list of my courses that cover the new CCNP ENCOR exam. By watching and following along with the hands-on demos in these courses, you can't go wrong. Routing …
Read MoreWhether you prefer to read or watch a video, here are some AWS certification training resources I've put together for you. Study Guides The following study guides include hundreds of assessment questions and answers as well as online access to graded practice exams. The AWS Certified Solutions Architect Study Guide: …
Read MoreThe phrase "coronavirus hype bubble" refers to misinformation and hyperbole about the novel coronavirus. The virus is not a hoax, but it's not anywhere nearly as bad as you've been led to believe. It is mild for most, but it can cause serious disease in a miniscule portion of people, particularly the elderly. …
Read MoreAbout three years ago, the following phrase popped into my head: "Social media is making you have stupid opinions." Now that's obviously not directed at you, and when I had the thought it wasn't about anyone in particular. It was more of a general observation that social media is antithetical to critical …
Read MoreYou took one of the Cisco CCNP exams. You went to the exam center, sat down, and started the exam. About 2 hours later, you saw the dreaded news appear on the screen: You didn’t pass. I’ve failed certification exams in the past, so I can relate to the facepalm-worthy feeling you get when you realize you dropped a …
Read MoreWhile playing around with AWS CloudWatch Log Insights to analyze VPC flow logs, I thought of a couple of fun ways to identify (probably) malicious traffic. Finding Vulnerability Scanners These are the guys that hammer your box looking for anything from silly SQL injection attacks (so 2005) to CSRF vulnerabilities. The …
Read MoreAs an AWS customer, you share responsibility with AWS for the security of your data the cloud. There’s a mantra: AWS handles the security of the cloud, but you handle security in the cloud. But it turns out that’s not quite true. For more, check out my guide Operating within the AWS Shared Responsibility Model.
Read MoreScience is About Discovering the Truth
Jun 3, 2019 scienceAs someone who works in IT, I hear and read a lot of comments about science. One common but unfortunate claim is that “science is not about finding truth.” While I won’t get into the underlying philosophical reasons behind this claim, I do want to at least respond to it on its face. Etymology of the word “science” The …
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