MCQs on Introduction to AWS Lambda | AWS Lambda MCQs
Explore this collection of AWS Lambda MCQ questions and answers, designed to help you understand the fundamentals of AWS Lambda. These questions cover essential topics such as what AWS Lambda is, the benefits of serverless computing, key Lambda concepts like functions, events, triggers, and a basic overview of Lambda pricing. Ideal for AWS learners preparing for certifications and practical applications!
AWS Lambda MCQs
What is AWS Lambda?
- AWS Lambda is a:
a) Serverless computing service
b) Virtual machine service
c) Managed database service
d) Container orchestration service - What type of computing model does AWS Lambda use?
a) On-demand computing
b) Serverless computing
c) Cloud-based computing
d) Hybrid cloud computing - Which of the following is a key feature of AWS Lambda?
a) It requires users to manage infrastructure
b) It automatically scales based on demand
c) It only supports Java applications
d) It is limited to 1 GB of memory - In AWS Lambda, which of the following is the unit of execution?
a) Function
b) Task
c) Event
d) Trigger - Which AWS service is commonly used in conjunction with Lambda for event-driven execution?
a) AWS S3
b) AWS EC2
c) AWS SNS
d) AWS RDS
Benefits of Serverless Computing
- One of the primary benefits of serverless computing is:
a) Automatic infrastructure management
b) Full control over virtual machines
c) Reduced resource scalability
d) Need to manage physical servers - What does serverless computing help businesses with?
a) Reducing operational costs and managing infrastructure
b) Increasing database storage
c) Running traditional on-premises workloads
d) Managing networking hardware - Which of the following is an advantage of using AWS Lambda for serverless computing?
a) Billing based on the number of requests
b) Fixed pricing model
c) Requires provisioning of servers
d) Performance limitations for small workloads - How does AWS Lambda contribute to faster time-to-market?
a) By reducing the need for code refactoring
b) By automating the entire development lifecycle
c) By allowing developers to focus on code rather than infrastructure
d) By automating customer support - What is the primary advantage of serverless computing for developers?
a) Easier to manage networking
b) Reduces infrastructure complexity
c) Requires knowledge of virtual machines
d) More options for manual resource configuration
Use Cases for AWS Lambda
- Which of the following is a common use case for AWS Lambda?
a) Running virtual machines
b) Data processing from streams or queues
c) Storing large datasets
d) Managing large EC2 clusters - AWS Lambda can be used for:
a) Running scheduled tasks
b) Running web servers
c) Managing virtual machines
d) Encrypting disk storage - Which AWS service can trigger Lambda functions when an object is uploaded to an S3 bucket?
a) AWS Kinesis
b) AWS S3 Event Notification
c) AWS SNS
d) AWS CloudTrail - In what scenario would you most likely use AWS Lambda?
a) Running large, complex databases
b) Automating backups for EC2 instances
c) Automatically resizing images uploaded to S3
d) Managing EC2 server scaling - Which event source can trigger AWS Lambda functions?
a) CloudWatch Logs
b) AWS SQS
c) DynamoDB Streams
d) All of the above
Key AWS Lambda Concepts (Functions, Events, and Triggers)
- In AWS Lambda, what is the role of a function?
a) To store the execution data
b) To process events or requests
c) To scale virtual machines
d) To trigger EC2 instances - Which of the following defines an “event” in AWS Lambda?
a) The resource being triggered
b) A request made to the Lambda function
c) The state of the Lambda function
d) The amount of memory used by a function - What is a trigger in the context of AWS Lambda?
a) A scheduled event
b) An API call
c) An action that causes the Lambda function to execute
d) A log event - Which of the following AWS services can be an event source for Lambda?
a) AWS SQS
b) AWS CloudWatch
c) AWS SNS
d) All of the above - What is the maximum execution time allowed for a single AWS Lambda function?
a) 1 minute
b) 15 minutes
c) 60 minutes
d) 2 hours
Overview of AWS Lambda Pricing
- How is AWS Lambda priced?
a) Based on the amount of data transferred
b) By the number of servers used
c) Based on the number of requests and execution time
d) By the type of AWS services used - In AWS Lambda pricing, what does “execution time” refer to?
a) The amount of memory allocated
b) The time taken to execute the code
c) The cost of storage used by Lambda functions
d) The number of triggers - Which of the following is used to calculate the cost of Lambda functions?
a) The number of virtual machines deployed
b) The execution duration and memory allocated
c) The number of databases connected
d) The network bandwidth - AWS Lambda provides a free tier that includes how many requests per month?
a) 100,000 requests
b) 1 million requests
c) 10 million requests
d) 50,000 requests - If your AWS Lambda function uses 128MB of memory and executes for 1 second, how is the cost calculated?
a) By the number of seconds the function runs
b) Based on memory and execution time
c) By the frequency of function invocations
d) Based on the trigger event
Mixed Questions
- Which AWS service can help with monitoring AWS Lambda functions?
a) AWS CloudWatch
b) AWS RDS
c) AWS Elastic Beanstalk
d) AWS CodePipeline - What is the maximum memory allocation available for AWS Lambda functions?
a) 1024 MB
b) 3008 MB
c) 512 MB
d) 10 GB - Which language is NOT supported by AWS Lambda?
a) Python
b) Ruby
c) C#
d) COBOL - Which feature allows AWS Lambda to automatically scale with incoming requests?
a) Auto Scaling Groups
b) Event Triggers
c) Horizontal Scaling
d) Serverless architecture - Can AWS Lambda functions interact with other AWS services?
a) No, they are isolated
b) Yes, through event triggers and APIs
c) Yes, but only with EC2
d) No, they can only run in isolation
Answers
| QNo | Answer (Option with Text) |
|---|---|
| 1 | a) Serverless computing service |
| 2 | b) Serverless computing |
| 3 | b) It automatically scales based on demand |
| 4 | a) Function |
| 5 | c) AWS SNS |
| 6 | a) Automatic infrastructure management |
| 7 | a) Reducing operational costs and managing infrastructure |
| 8 | a) Billing based on the number of requests |
| 9 | c) By allowing developers to focus on code rather than infrastructure |
| 10 | b) Reduces infrastructure complexity |
| 11 | b) Data processing from streams or queues |
| 12 | b) AWS S3 Event Notification |
| 13 | c) AWS SNS |
| 14 | c) Automatically resizing images uploaded to S3 |
| 15 | d) All of the above |
| 16 | b) To process events or requests |
| 17 | b) A request made to the Lambda function |
| 18 | c) An action that causes the Lambda function to execute |
| 19 | d) All of the above |
| 20 | b) 15 minutes |
| 21 | c) Based on the number of requests and execution time |
| 22 | b) The time taken to execute the code |
| 23 | b) The execution duration and memory allocated |
| 24 | b) 1 million requests |
| 25 | b) Based on memory and execution time |
| 26 | a) AWS CloudWatch |
| 27 | b) 3008 MB |
| 28 | d) COBOL |
| 29 | b) Event Triggers |
| 30 | b) Yes, through event triggers and APIs |