Serverless Cloud Architecture: A Comprehensive Guide for Cloud Architects

Question 1

Which of the following is a disadvantage of serverless architecture?

Accepted Answer

Increased development cost

Answer

Reduced infrastructure management

Answer

Improved scalability and elasticity

Answer

Enhanced security

Question 2

Which of the following is a primary advantage of implementing serverless architecture?

Accepted Answer

Lower operational costs

Answer

Faster application response times

Answer

Increased data protection

Question 3

What is a function-as-a-service (FaaS) offering?

Accepted Answer

Pre-built code that can be executed on demand without managing servers or infrastructure

Answer

Virtual machines with pre-installed software that provide a complete computing environment

Answer

Fully managed database services that handle data storage, backup, and scaling

Question 4

What is the purpose of an API Gateway in a serverless architecture?

Accepted Answer

Serves as a single entry point for client requests, routing them to appropriate functions based on request characteristics

Answer

Monitoring and logging service, as it collects and stores metrics and logs generated by serverless functions

Answer

Database connectivity management, as it provides a unified interface for connecting to different databases

Question 5

Which of the following is NOT a pricing model for serverless computing?

Accepted Answer

Flat monthly fee, as serverless pricing is typically based on usage and execution time

Answer

Pay-per-hour, where you are charged for each hour that your functions are running

Answer

Pay-per-execution, where you are charged for each function execution

Answer

Pay-per-resource usage, where you are charged for the resources consumed by your functions, such as memory and duration

Question 6

What is a cold start in serverless computing?

Accepted Answer

Initial execution of a serverless function, which may incur a delay due to the function being loaded and initialized

Answer

Termination of a function after inactivity, which occurs when a function has been idle for a certain period

Answer

Error in function execution, which can occur for various reasons and result in function failure

Question 7

Which of the following is a best practice for minimizing cold starts in serverless applications?

Accepted Answer

Pre-warming functions by periodically invoking them to keep them active and reduce cold start delays

Answer

Provisioning additional servers, which is not effective in reducing cold starts as functions run on shared infrastructure

Answer

Decreasing function memory allocation, which can worsen cold starts as functions may need more memory to initialize

Answer

Increasing function duration, which has no impact on cold starts as they occur during the initialization phase

Question 8

Which of the following is a key characteristic of a serverless architecture?

Accepted Answer

Absence of physical servers

Answer

Limited scalability hindered by hardware constraints

Answer

Heavy dependence on operating systems

Answer

Rigid adherence to conventional hardware-software boundaries

Question 9

What is a significant benefit of employing serverless architecture?

Accepted Answer

Reduced operational expenses

Answer

Limited control over application execution

Answer

Challenges in updating and maintaining code

Answer

Increased latency impacting application responsiveness

Question 10

In serverless architecture, code typically executes in response to:

Accepted Answer

Events

Answer

User input exclusively

Answer

Database queries

Answer

Scheduled tasks

Question 11

Define a serverless function.

Accepted Answer

A concise code segment that executes in response to specific events

Answer

A complete application deployed on a virtual machine

Answer

A container encapsulating an application and its dependencies

Question 12

Which of the following practices is recommended for designing serverless functions?

Accepted Answer

Designing concise and specialized functions handling single tasks

Answer

Avoiding the use of any external libraries or services

Answer

Creating functions optimized for prolonged execution times

Answer

Including intricate business logic and multiple dependencies within functions

Question 13

In serverless architecture, what is the function of an API Gateway?

Accepted Answer

Acting as a single entry point for external requests

Answer

Handling data encryption and security measures

Answer

Managing the instances of serverless functions

Question 14

What does 'cold start' refer to in serverless architecture?

Accepted Answer

The time taken to initialize a serverless function instance

Answer

A method for optimizing serverless function performance

Answer

A state where a serverless function is not active

Question 15

What is the primary purpose of a function in serverless architecture?

Accepted Answer

To handle a specific task or event

Answer

To manage infrastructure resources

Answer

To provide a user interface

Answer

To store persistent data

Question 16

What is the term for the process of automatically provisioning and managing resources in response to changes in demand?

Accepted Answer

Autoscaling

Answer

Fault tolerance

Answer

Caching

Answer

Load balancing

Question 17

What is the primary responsibility of a Functions-as-a-Service (FaaS) provider?

Accepted Answer

Managing the underlying infrastructure

Answer

Providing a high-level API

Answer

Writing and deploying the code

Answer

Handling user requests

Question 18

What is the role of a serverless API gateway?

Accepted Answer

To route incoming requests to appropriate functions

Answer

To authenticate and authorize users

Answer

To cache frequently accessed data

Question 19

Which of the following is NOT a potential advantage of serverless architecture in the cloud?

Accepted Answer

Increased infrastructure management overhead

Answer

Reduced operational costs

Answer

Enhanced security

Answer

Increased agility and scalability

Question 20

Which of the following is a fundamental component in serverless architecture?

Accepted Answer

Function-as-a-Service (FaaS)

Answer

Virtual Private Networks (VPNs)

Answer

Database management systems (DBMSs)

Answer

Virtual machines (VMs)

Question 21

Which challenge arises commonly when implementing serverless architecture?

Accepted Answer

Managing latency-sensitive operations

Answer

Guaranteeing data privacy

Answer

Provisioning adequate storage

Answer

Ensuring high availability

Question 22

Which of the following is a recommended practice in serverless architecture implementation?

Accepted Answer

Utilizing event-driven programming

Answer

Storing substantial data within serverless functions

Answer

Provisioning dedicated servers for each function

Answer

Consolidating multiple functions into a single container

Question 23

Which of the following is a suitable application for serverless architecture?

Accepted Answer

Image processing and resizing

Answer

Deploying a monolithic enterprise system

Answer

Large-scale relational database management

Answer

Hosting a web application with persistent storage

Question 24

Which potential limitation is associated with serverless architecture?

Accepted Answer

Vendor lock-in and limited portability

Answer

Enhanced application security and compliance

Answer

Virtually unlimited scalability

Answer

Cost-effectiveness and low operational expenses

Question 25

Which of the following is a key advantage of implementing serverless architecture?

Accepted Answer

Eliminated need for infrastructure provisioning and management

Answer

Increased operational costs

Answer

Reduced developer productivity

Answer

Enhanced infrastructure management overhead

Question 26

In serverless architecture, code execution is typically triggered by:

Accepted Answer

Events (e.g., API requests, database updates)

Answer

User requests only

Answer

Database queries only

Question 27

What is the primary function of an API gateway in a serverless architecture?

Accepted Answer

Provides a single entry point for clients to access cloud services

Answer

Handles authentication and authorization

Answer

Stores and manages application data

Question 28

Which of the following is a recommended best practice for designing serverless functions?

Accepted Answer

Keep functions small and focused on a specific task

Answer

Over-provision resources to ensure optimal performance

Answer

Combine multiple functions into a single deployment unit

Question 29

What is the primary distinction between Function-as-a-Service (FaaS) and Backend-as-a-Service (BaaS)?

Accepted Answer

FaaS focuses on executing code on demand, while BaaS provides pre-built backend functionality

Answer

BaaS offers more flexibility than FaaS

Answer

FaaS is more cost-effective than BaaS

Question 30

Which tool is commonly utilized for debugging serverless functions?

Accepted Answer

CloudWatch Logs

Answer

Wireshark

Answer

Netstat

Question 31

What is the primary purpose of using a service mesh in a serverless architecture?

Accepted Answer

To manage network traffic and provide observability

Answer

To execute serverless functions

Answer

To store application data

Question 32

In a serverless architecture, who is typically responsible for managing the underlying infrastructure?

Accepted Answer

Cloud provider

Answer

System administrators

Answer

Application developers

Answer

End-users

Question 33

Which of the following is a common use case for serverless architecture?

Accepted Answer

Event-driven data processing

Answer

High-performance computing

Answer

Complex enterprise applications

Answer

Database management

Question 34

Identify the main drawback of using a serverless architecture.

Accepted Answer

Vendor lock-in

Answer

High latency

Answer

Increased complexity

Answer

Reduced flexibility

Question 35

How does serverless architectureoptimize resource utilization?

Accepted Answer

By scaling functions dynamically based on demand

Answer

By reducing the number of physical servers required

Answer

By eliminating the need for load balancers

Question 36

How does serverless architecture simplify application development?

Accepted Answer

By removing the need for server configuration and maintenance

Answer

By providing built-in security features

Answer

By reducing the number of code dependencies

Question 37

What is the primary function of a Function-as-a-Service (FaaS) platform in serverless architecture?

Accepted Answer

To provide a runtime environment for executing functions

Answer

To handle authentication and authorization

Answer

To manage database connections

Question 38

How does serverless architecture impact application scalability?

Accepted Answer

It enables automatic scaling based on the workload.

Answer

It has no impact on application scalability.

Answer

It limits application scalability to a fixed number of instances.

Answer

It requires manual scaling by application developers.

Question 39

What is a widely used implementation strategy for deploying serverless functions?

Accepted Answer

Function as a Service (FaaS)

Answer

Software as a Service (SaaS)

Answer

Infrastructure as a Service (IaaS)

Answer

Platform as a Service (PaaS)

Question 40

What is considered a best practice for naming serverless functions?

Accepted Answer

Use descriptive and meaningful names that reflect the function's purpose.

Answer

Keep names short and concise.

Answer

Avoid using underscores or dashes.

Answer

Use numbers to identify functions.

Question 41

How does serverless architecture impact development workflows?

Accepted Answer

It allows developers to focus on coding without managing infrastructure concerns.

Answer

It eliminates the need for version control.

Answer

It reduces the need for testing.

Question 42

What is the recommended approach for testing serverless functions?

Accepted Answer

A combination of unit testing and integration testing

Answer

End-to-end testing only

Answer

No testing is required

Answer

Black-box testing only

Question 43

Which of the following is not a key advantage of serverless architecture?

Accepted Answer

Dedicated resources

Answer

Faster time-to-market

Answer

Cost efficiency

Question 44

In serverless architecture, which entity is responsible for managing and provisioning the underlying infrastructure?

Accepted Answer

Cloud provider

Answer

Application developer

Answer

System administrator

Answer

Database administrator

Question 45

Which of the following is a prominent implementation strategy for serverless functions?

Accepted Answer

Function-as-a-Service (FaaS)

Answer

Load balancing

Answer

Container orchestration

Answer

Virtual machines

Question 46

What is the purpose of employing a serverless event-driven model?

Accepted Answer

To trigger functions in response to specific events or conditions

Answer

To improve security

Answer

To increase the overall scalability of the application

Answer

To reduce the number of servers required

Question 47

What is the primary goal of optimizing resource utilization in serverless architecture?

Accepted Answer

Minimizing costs and maximizing efficiency

Answer

Enhancing security measures

Answer

Boosting performance

Answer

Simplifying deployment processes

Question 48

Which of the following is a defining characteristic of serverless architecture?

Accepted Answer

Absence of server management responsibilities for the developer

Answer

Applications running on traditional physical servers

Answer

Requirement for developers to manage operating systems

Answer

Applications continuously running, even when idle

Question 49

What is a primary advantage of adopting serverless architecture?

Accepted Answer

Scalability and cost-effectiveness

Answer

Simplified deployment with manual scaling

Answer

Reduced need for security considerations

Answer

Increased control over the underlying infrastructure

Question 50

What is a common use case for implementing serverless computing?

Accepted Answer

Building and deploying microservices

Answer

Hosting static websites with fixed content

Answer

Managing relational databases with persistent connections

Answer

Running consistently resource-intensive computations

Question 51

What is meant by 'cold start' in the context of serverless computing?

Accepted Answer

The latency incurred when a function is invoked for the first time or after a period of inactivity.

Answer

A security loophole in serverless functions.

Answer

The process of deploying a serverless function to the cloud.

Question 52

Which of these is a serverless computing service from AWS?

Accepted Answer

AWS Lambda

Answer

AWS RDS

Answer

AWS S3

Answer

AWS EC2

Question 53

What is a Function as a Service (FaaS) in serverless architecture?

Accepted Answer

A platform that allows you to run code without managing servers, scaling automatically based on demand.

Answer

A service that provides virtual machines with pre-installed operating systems.

Question 54

What is an event source in the context of serverless applications?

Accepted Answer

An action or occurrence that triggers the execution of a serverless function.

Answer

A programming language commonly used to write serverless functions.

Answer

A type of database used to store data for serverless applications.

Question 55

What is a key benefit of using serverless architecture for event-driven applications?

Accepted Answer

Automatic scaling based on event frequency, optimizing cost and efficiency.

Answer

Increased complexity in application design and development.

Answer

Reduced need for security measures in the application.

Question 56

What is a potential security concern related to serverless architecture?

Accepted Answer

Increased attack surface due to the use of third-party services and APIs.

Answer

Serverless architecture eliminates the need for security measures.

Answer

Serverless functions are inherently less secure than traditional server-based applications.