Web Applications: A Guide to Serverless Computing for Beginners

Question 1

Which of the following is a disadvantage of using serverless computing for web applications?

Accepted Answer

Increased complexity

Answer

Reduced costs

Answer

Improved scalability

Answer

Faster development

Question 2

Which of the following is a potential disadvantage of serverless computing for web applications?

Accepted Answer

Potential security concerns

Answer

Reduced infrastructure costs

Answer

Increased scalability

Question 3

What are two key advantages of serverless computing for web applications?

Accepted Answer

Reduced operational costs

Accepted Answer

Increased scalability

Answer

Improved data security

Question 4

Which of the following is NOT a typical use case for serverless computing in web applications?

Accepted Answer

Long-term data storage

Answer

Data processing pipelines

Answer

Mobile backends

Question 5

Which of the following is an advantage of serverless web applications in terms of scalability?

Accepted Answer

Suitability for applications with fluctuating traffic

Answer

Limited request handling capacity

Answer

Higher cost compared to traditional web applications

Answer

Reduced security compared to traditional web applications

Question 6

Which of the following is **NOT** a benefit of using serverless computing for web applications?

Accepted Answer

Increased operational costs

Answer

Improved scalability

Answer

Elimination of server management

Answer

Enhanced security

Question 7

What is the primary objective of adopting a serverless architecture for web applications?

Accepted Answer

To minimize the burden of infrastructure management

Answer

To reduce development expenses

Answer

To enhance performance

Answer

To heighten security measures

Question 8

What is a fundamental distinction between serverless and traditional web applications?

Accepted Answer

Serverless applications operate without the need for dedicated servers.

Answer

Serverless applications consistently exhibit faster performance.

Answer

Serverless applications offer superior security

Question 9

Which of the following is a recommended practice for developing serverless web applications?

Accepted Answer

Designing for scalability and elasticity

Answer

Provisioning resources with fixed limits

Answer

Avoiding the integration of third-party services

Answer

Consolidating all functionalities into a single function

Question 10

When deploying serverless web applications, what aspect requires particular attention?

Accepted Answer

Monitoring and logging

Answer

Frontend design

Answer

Database selection

Answer

Hosting environment

Question 11

What is the primary responsibility of a Function-as-a-Service (FaaS) provider related to serverless computing?

Accepted Answer

Providing and managing the underlying infrastructure

Answer

Developing and deploying the serverless applications

Answer

Handling user authentication and authorization

Answer

Ensuring data security and compliance

Question 12

Which of the following is a significant advantage of using serverless computing for web applications?

Accepted Answer

Reduced operational overhead

Answer

Complete control over server infrastructure

Answer

Fixed monthly costs regardless of usage

Answer

Unlimited execution time for running functions

Question 13

Which serverless service is best suited for hosting static website content?

Accepted Answer

AWS S3

Answer

AWS Lambda

Answer

AWS API Gateway

Answer

AWS DynamoDB

Question 14

A user uploads an image to your web application, triggering a serverless function to process the image. Which service executes the function?

Accepted Answer

AWS Lambda

Answer

AWS EC2

Answer

AWS CloudFront

Answer

AWS S3

Question 15

When designing a web application for serverless deployment, what is a key consideration?

Accepted Answer

Decomposing the application into independent functions

Answer

Setting up a load balancer

Answer

Choosing a programming language that supports complex server-side processing

Answer

Provisioning servers with the highest possible capacity

Question 16

Which approach is commonly used to handle authentication and authorization in serverless web applications?

Accepted Answer

Utilizing a dedicated identity management service like AWS Cognito

Answer

Implementing custom authentication logic within each function

Answer

Storing user credentials directly in the function code

Question 17

What is a primary benefit of deploying serverless applications using IaC tools like AWS CloudFormation?

Accepted Answer

Automated and repeatable deployment process

Answer

Directly modifying server configuration files without using IaC tools

Answer

Increased security by manually verifying all deployment changes

Question 18

What is a potential challenge when using serverless computing for long-running processes?

Accepted Answer

Function execution time limitations can interrupt processing

Answer

Higher operational costs compared to traditional servers

Answer

Inability to handle high traffic volumes effectively

Question 19

Which strategy is effective for optimizing serverless function performance?

Accepted Answer

Minimizing function cold starts by keeping functions warm

Answer

Allocating the maximum memory size for all functions

Answer

Storing application data within the function code itself

Question 20

Which method is recommended for monitoring and debugging serverless applications?

Accepted Answer

Integrating with a cloud-based monitoring and logging service

Answer

Manually reviewing logs on individual function instances

Answer

Relying solely on the application's error handling mechanisms

Question 21

Which design pattern is commonly used to build scalable and reliable serverless web applications?

Accepted Answer

Event-driven architecture using message queues and asynchronous processing

Answer

Storing all application state in a single database table

Answer

Tightly coupling functions using synchronous calls

Question 22

Which of the following is a key advantage of using serverless computing for web applications?

Accepted Answer

Reduced infrastructure management overhead

Answer

Less flexibility

Answer

Increased latency

Answer

Higher costs

Question 23

What is the primary function of serverless functions in a web application?

Accepted Answer

To handle specific tasks or events without maintaining a server

Answer

To manage complex data storage and retrieval

Answer

To provide a complete user interface for web applications

Answer

To perform computationally intensive tasks

Question 24

Which of the following is NOT a use case for serverless computing in web applications?

Accepted Answer

Virtual machine management

Answer

Authentication and authorization

Answer

Data processing pipelines

Answer

Mobile backend services

Question 25

What is the concept of 'cold starts' in serverless computing?

Accepted Answer

The initial delay when a serverless function is invoked for the first time

Answer

The maximum number of concurrent invocations a serverless function can handle

Answer

The amount of time a serverless function remains active after being invoked

Answer

The cost incurred for each invocation of a serverless function

Question 26

Which of the following is a benefit of using Functions-as-a-Service (FaaS) for building web applications?

Accepted Answer

Cost optimization by paying only for the resources used

Answer

Increased complexity in deployment and management

Answer

Higher latency compared to traditional web servers

Answer

Reduced scalability and availability

Question 27

What is a key consideration when managing state in serverless web applications?

Accepted Answer

Using external services like databases or caching systems

Answer

Maintaining state using complex data structures within the functions

Answer

Sharing state between different serverless functions

Answer

Storing data directly within function memory

Question 28

What is the primary purpose of a serverless platform like AWS Lambda?

Accepted Answer

To execute code in response to specific events or triggers

Answer

To host static web content for user interfaces

Answer

To manage user authentication and authorization

Answer

To provide persistent data storage for web applications

Question 29

Which of the following is a common tool for deploying serverless web applications?

Accepted Answer

AWS Serverless Application Model (SAM)

Answer

Chef

Answer

Docker Swarm

Answer

Kubernetes

Question 30

Which of the following best describes the 'pay-as-you-go' pricing model common in serverless computing?

Accepted Answer

Customers pay only for the compute resources used during function execution

Answer

Customers are charged a flat rate for unlimited function executions

Answer

A subscription model based on the number of users accessing the application

Answer

A fixed monthly fee regardless of code execution

Question 31

Which of the following is a suitable use case for serverless computing in web applications?

Accepted Answer

Handling image resizing and optimization tasks

Answer

Hosting a large e-commerce website with continuous high traffic

Answer

Running a complex database management system with extensive data manipulation

Answer

Managing a high-performance game server requiring low latency

Question 32

Which of the following is a key consideration for ensuring code efficiency in a serverless web application?

Accepted Answer

Minimizing cold starts by optimizing function execution time

Answer

Using serverless functions for all application logic, regardless of complexity

Answer

Maximizing the number of concurrent function executions

Question 33

When building a serverless web application, how would you typically handle user authentication and authorization?

Accepted Answer

Integrate with a dedicated authentication service like AWS Cognito

Answer

Implement authentication logic within serverless functions

Answer

Store user credentials directly in the serverless function code

Question 34

Which of the following tools is commonly used for deploying and managing serverless web applications?

Accepted Answer

Serverless framework

Answer

Docker

Answer

Microsoft IIS

Answer

Apache Tomcat

Question 35

What is a common approach for handling errors and logging in serverless web applications?

Accepted Answer

Using a centralized logging service like AWS CloudWatch

Answer

Storing error logs in a local file within the serverless function

Answer

Printing error messages directly to the console

Question 36

When using serverless computing, how do you typically handle scaling your web application to meet varying demand?

Accepted Answer

The serverless platform automatically scales resources based on incoming requests

Answer

Use load balancing to distribute requests across multiple servers

Answer

Manually adjust server instances based on traffic patterns

Question 37

Which of the following is NOT a benefit of using serverless computing for web applications?

Accepted Answer

Increased infrastructure management overhead

Answer

Pay-per-use pricing

Answer

Scalability on demand

Answer

Reduced cold start times

Question 38

What is the primary function of a serverless function in a web application?

Accepted Answer

To execute specific tasks triggered by events

Answer

To handle user authentication

Answer

To manage the entire web application lifecycle

Answer

To provide persistent data storage

Question 39

Which of the following is a popular serverless platform for web application development?

Accepted Answer

AWS Lambda

Answer

Microsoft IIS

Answer

Nginx

Answer

Apache Tomcat

Question 40

How do serverless functions handle state management?

Accepted Answer

By using external data stores like databases or caching services

Answer

By maintaining state within the function itself

Answer

By relying on server-side sessions

Question 41

Which of the following best describes the concept of 'cold start' in serverless computing?

Accepted Answer

The time taken to provision and initialize a serverless function for the first execution

Answer

The time it takes for a function to complete its execution

Answer

The time required to deploy a new version of a serverless function

Question 42

What is the primary advantage of using a serverless database for web applications?

Accepted Answer

Scalability and automatic scaling based on demand

Answer

Lower cost compared to traditional databases

Answer

Improved security compared to traditional databases

Answer

Simplified data management and administration

Question 43

In a serverless web application, where is the application logic typically executed?

Accepted Answer

Within serverless functions triggered by events

Answer

On a dedicated web server

Answer

On a virtual machine instance

Answer

In the client-side browser

Question 44

What is a common approach to handling user authentication in serverless web applications?

Accepted Answer

Using a third-party authentication service like Auth0 or Firebase

Answer

Reliance on browser cookies for user session management

Answer

Implementing custom authentication logic within serverless functions

Question 45

Which of the following is a recommended practice for optimizing the performance of serverless functions?

Accepted Answer

Minimizing function execution time

Answer

Increasing the memory allocation for the function

Answer

Using synchronous function calls for all operations

Answer

Ignoring the impact of cold starts on function performance

Question 46

What is a key consideration for deploying serverless web applications to production?

Accepted Answer

Ensuring sufficient resources and scaling capabilities for handling peak traffic

Answer

Minimizing the number of serverless functions used

Answer

Choosing the cheapest serverless platform available