Dec 19, · The Bottom-Up Troubleshooting Approach. The bottom-up approach to troubleshooting a networking problem starts with the physical components of the network and works its way up the layers of the OSI model. If you conclude that all the elements associated to a particular layer are in good working condition, you inspect the elements associated with the next layer up until the cause(s) of the. Jan 14, · The bottom-up troubleshooting approach also uses the OSI model as its guiding principle with the physical layer (bottom layer of the OSI seven-layer network model) as the starting point. In this approach, you work your way layer by layer up toward the application layer and verify that relevant network elements are operating correctly. You try.
Jun 25, · The top-down approach to investing focuses on how the economy drives stocks, and the bottom-up approach selects stocks based on a company's performance. Nov 24, · Your McKinsey boss or interviewer will prefer that you apply strategic, top-down problem solving over a tactical, bottom-up approach. The top-down approach focuses on the biggest question followed by the critical or vital few drivers of impact first, before dealing with tactical details. The bottom-up approach focuses on the details first, then organizing them into buckets that build up to key Author: Former Mckinsey Consultant.
Feb 01, · There are basically two approaches to troubleshooting, top down and bottom up. Today we'll discuss the top down approach, and in my next tip, we'll cover the bottom up approach. In a top down approach, you'll begin at the upper layers of the OSI protocol stack. You'll test the application to be sure it is working, then ping the servers, and so.