dojo1

Question 1

Atomic counters-dynamo db

Answer 1

using atomic counters to increment the counter item in the DynamoDB table for every new visitor is the most suitable solution in this scenario.

Question 2

ReturnConsumedCapacity

Answer 2

Simply returns the total number write capacity units consumed

Question 3

BeforeAllowTraffic

Answer 3

Use to run tasks before traffic is shifted to the deployed Lambda function version

Question 4

AfterAllowTraffic

Answer 4

Use to run tasks after all traffic is shifted to the deployed Lambda function version.

Question 5

Lamdahook

Answer 5

one Lambda function specified with a string on a new line after the name of the lifecycle event. Each hook is executed once per deployment.

Question 6

X-Ray by using the PutTraceSegments API.

Answer 6

A segment can break down the data about the work done into subsegments. Subsegments provide more granular timing information and details about downstream calls that your application made to fulfill the original request.A subsegment can contain additional details about a call to an AWS service, an external HTTP API, or an SQL database

Question 7

GetSessionToken

Answer 7

API returns a set of temporary credentials for an AWS account or IAM user.