WorksheetsDeveloping Serverless Solutions 1
Total questions: 8
Worksheet time: 6mins
Name
Class
Date
1.
Which of these is NOT a true statement about API Gateway?
a)
API Gateway can proxy requests to Lambda
b)
API Gateway authorizers let you Limit access to AWS resources through API Gateway
c)
API Gateway invokes Lambda synchronously
d)
API Gateway retries failed calls to AWS resources 2 times by default
2.
If a Lambda function is continually failing when processing batches of records off an SQS queue, which of these might a developer try to fix it?
a)
Increase the polling rate on the queue
b)
Decrease the concurrency on the function
c)
Increase the timeout on the function
d)
Decrease the visibility timeout on the queue
3.
Which of these might you choose to trigger a different workflow for different customer types based on Auth0 sigh-in events?
a)
Use Auth0 as an event source for EventBridge and route results based on a rule
b)
Use Auth0 as an event source for an SNS topic and use attribute filters for subscribers
c)
Use Auth0 as an event source for a Step Functions flow that uses a choice task
4.
Which of these is a best practice for serverless deployments?
a)
Select one deployment framework and use it for all of your deployments for consistency.
b)
Use different AWS accounts for each environment in your deployment pipeline.
c)
Create a specific SAM template to match each environment to keep them distinct.
5.
You've been asked to decrease the cold start latency of a Lambda function. Which one of these might help?
a)
Decrease the reserved concurrency for the function.
b)
Increase the /TMP space configuration for the function
c)
Add provisioned concurrency
6.
Which API Gatway API type provides the lowest latency?
a)
REST
b)
HTTP
c)
WebSockets
d)
GraphQL
7.
Which of these is a true statement about observability?
a)
Observability focuses on three pillars: logs, metrics, and errors
b)
Observability is focused on identifying operational failures across the layers of your stack
c)
Observability extends to getting business information about your system
8.
Which of these is FALSE?
a)
Lambda spins up concurrent ephemeral environments to scale with incoming requests
b)
Lambda will throttle concurrent requests if they reach the reserved concurrency set for the function
c)
Lambda’s concurrency in a Region is limited to the burst capacity of that Region
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