Tagging is useful for segregating and grouping Lambda functions with the help of key-value pairs. By using tags, customers with hundreds of Lambda functions can easily access and analyze a specific set by filtering on those that contain the same tag. Tags are key-value pairs. They are associated with a Lambda function to organize them as well as to find other details, such as frequency of invocation and the cost of each function invocation. Primarily, tags help to group, filter, and allocate cost.
Deploying AWS resources inside an Amazon VPC makes sure that they cannot be accessed over the public internet. By default, Lambda function code is invoked within a VPC. To enable a Lambda function to access other AWS resources deployed in a private VPC, it is essential to provide details such as VPC, subnets, and security groups at the time of configuring it. VPC details are used by the Lambda function to create ENIs to connect securely with other...