To calculate how long it would take to transfer a certain amount of data over a given network connection, we...
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20+ years of experience and proven performance in large scale enterprise network infrastructure architecture, design, implementation, migration, security, operation, troubleshooting, leading/managing teams, and budgets. I have a BS in Cybersecurity and a Master's from the University of Florida.
Here’s a step-by-step breakdown of the data flow: DNS Resolution: The user enters “https://cordero.me” into their browser’s address bar. The...
Postmark is an email delivery service that ensures emails are delivered quickly and reliably to their intended recipients. Postmark makes...
1. Local Cache Check: You attempt to access a website (say, `app.lb.cordero.me`) on your Windows AD-managed laptop. Your operating system...
If you have access to the Cisco switch and know the IP address of the laptop, you can identify the...
PDU, or Power Distribution Unit, is a device used in data centers and other computing environments for distributing electrical power...
In Cisco switches, VLAN 1 refers to the default VLAN that is created automatically when the switch is initialized or...
Here’s a simplified breakdown of the data flow that occurs when a client computer in an Active Directory (AD) environment...
Finding the switch port that a laptop is connected to with just its DNS name requires a few more steps...
The process to upgrade firewalls when Panorama is Internet-connected involves several steps: Review the PAN-OS 10.2 Release Notes: Understand...