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Laptops & DesktopsRouting & SwitchingServers

Data Flow – Laptop to Server Communication

The communication between a laptop and a server within a network involves a number of layers and protocols. Here’s a...
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Routing & Switching

URI vs URL

A URI (Uniform Resource Identifier) and a URL (Uniform Resource Locator) are both used to identify resources on the Internet,...
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Routing & Switching

Python – Use RIPE to Research IP Subnet (BGP AS, Geolocation, Reverse DNS, CIDR Block, & Registration)

#!/usr/bin/env python3 import requests import json def user_input(): ip_address = input('Enter the IP address to query: ') return ip_address def...
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Routing & Switching

Data Transfer Time

To calculate how long it would take to transfer a certain amount of data over a given network connection, we...
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Laptops & DesktopsRouting & Switching

Troubleshooting – Finding Laptop with only the DNS Name

Finding the switch port that a laptop is connected to with just its DNS name requires a few more steps...
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Laptops & DesktopsRouting & SwitchingSecurityServers

Data Flow – CURL and HTTPS

Let’s go through the steps and data flow when using `curl` to make an HTTPS request and check for an...
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Routing & SwitchingSecurityServers

HTTP vs HTTP2 vs HTTP3

HTTP 1.1: HTTP 1.1 was released in 1997 and is still widely used today. It improved on HTTP 1.0 by...
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Data CenterRouting & SwitchingServers

Large Data Transfers (backups) – What to look for from a Network, Server, and Storage Perspective

What if you had to transfer a large amount of Data for backups?  Where do you put them?  How do...
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Routing & Switching

Cisco and VLAN 1

In Cisco switches, VLAN 1 refers to the default VLAN that is created automatically when the switch is initialized or...
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Routing & Switching

Troubleshooting – Finding Laptop with only the IP Address

If you have access to the Cisco switch and know the IP address of the laptop, you can identify the...
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Active Directory (AD) Architect AWS Best Practices BGP BIP-IP DNS Certificates CISA Cisco Cisco ACI Cisco ASA Cisco ASR Cisco Catalyst Cisco CLI Cisco Nexus Cisco Stack Design DNS EIGRP F5 HTTP(S) IP Addressing and Subnetting Kali macOS Microsoft IIS Microsoft SQL Microsoft Windows Okta OSPF Packet Capture Palo Alto Palo Alto CLI PDF Planning Ports Power and Cooling PowerShell python QOS Splunk SSL Structured Cabling TLS Troubleshooting VMWare
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Categories

  • Cloud
  • Code
  • Data Center
  • Laptops & Desktops
  • Load Balancing
  • Routing & Switching
  • Security
  • Servers
  • Uncategorized
  • VOIP
  • Wireless

Tags

Active Directory (AD) Architect AWS Best Practices BGP BIP-IP DNS Certificates CISA Cisco Cisco ACI Cisco ASA Cisco ASR Cisco Catalyst Cisco CLI Cisco Nexus Cisco Stack Design DNS EIGRP F5 HTTP(S) IP Addressing and Subnetting Kali macOS Microsoft IIS Microsoft SQL Microsoft Windows Okta OSPF Packet Capture Palo Alto Palo Alto CLI PDF Planning Ports Power and Cooling PowerShell python QOS Splunk SSL Structured Cabling TLS Troubleshooting VMWare
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Troubleshooting Palo Alto Microsoft Windows F5 Cisco ASA
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