Emerson Electric Co. Buyer Interview Questions and Answers

n-tier architecture is a software design pattern that divides an application into logical layers.

• It separates presentation, application processing, and data management functions.

• Each layer can be developed and maintained independently.

• Examples include 3-tier and 4-tier architectures.

• It improves scalability, maintainability, and flexibility of the application.

STP is a protocol used to prevent network loops. BPDU guard and filter are STP features to enhance network stability.

• STP stands for Spanning Tree Protocol

• It is used to prevent network loops by creating a loop-free logical topology

• BPDU (Bridge Protocol Data Unit) is a message exchanged between switches to elect the root bridge and determine the best path to it

• BPDU guard is a feature that disables a port if it receives a...read more