What is guard duty in AWS

Guard duty is managed threat detection service continuously monitored your workloads, accounts,data for malicious activity

What is DBMS

Database management system is a software that enable users and application manage, retrieve and manipulate in database

What is webserver

Webserver is software http request from client they return http response such as webpage ,file ,data,html and json

What is dbserver

Database server : store , retrieve,manage and update the data over network act as a central management

What is asynchronous replication

Asynchronous replication is method of AWS copying data from source database to one or more secondary database (replica)