AWS Cloud Interview Questions Flashcards

1
Q

What are some of the key features of Cloud Computing? (4)

A

Agility
Cost Savings
Reliability
Scalability

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2
Q

Cloud delivery models are models that represent the computing environments. What are 4 examples?

A

IAAS, SAAS, PaaS, or FaaS:

Lambda is a (FaaS) Function as a Service

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2
Q

What are the advantages of serverless computing?

A

Cost-effective.

Highly scalable

Zero server management.

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3
Q

Microservices is a process of developing __________ consisting of code ________ of each other and the __________ developing platform.

A

Microservicesis a process of developing applications consisting of code independent of each other and the underlying developing platform.

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4
Q

APIs are a way for two or more

A

APIs are a way for two or more computer programs to communicate with each other using a set of definitions and protocols.

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5
Q

What a use case of API’s?

PayPal is a fintech service that allows users to connect personal _________ information to their PayPal account.

A

PayPal is a fintech service that allows users to connect personal financial information to their PayPal account.

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6
Q

What are some issues with Cloud Computing?

A

Handing of control of security at the infrastructure level

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7
Q

EC2 a Virtual Machine in the cloud on which you have __-_____control.

A

EC2 a Virtual Machine in the cloud on which you have OS-level control.

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8
Q

The best way to describe it is to think of VPC as a virtual ____ _______
Within the VPC, you have control over

A

The best way to describe it is to think of VPC as a virtual data center
Within the VPC, you have control over Internet gateways, public&private subnets, IP ranges, Security Groups,

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9
Q

Serverless in cloud computing is the building of

A

Serverless in cloud computing is the building of applications to take place without the complexity of managing theinfrastructure

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10
Q

S3 stands for Simple Storage Service. You can use the S3 interface to store and retrieve ___ amount of data at ___ time and from ________on the web.

A

S3 stands for Simple Storage Service. You can use the S3 interface to store and retrieve any amount of data at any time and from anywhere on the web.

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11
Q

How does Amazon Route 53 provide high availability and low latency?

Amazon is a global service that has ___ Servers globally in ______ locations.

A

Amazon is a global service and consequently has DNS Servers globally in optimal locations.

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12
Q

An AMI includes the following things:(3)

A

Launch template
Launch permissions
A block device mapping the volumes to attach to the instance

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13
Q

What is the relation between the Availability Zone and Region?

A

An AWS Availability Zone is a physical location where an Amazon data center is located. On the other hand, an AWS Region is a collection or group of Availability Zones or Data Centers

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14
Q

You can monitor Amazon VPC using: (2)

A

CloudWatch

VPC Flow Logs

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15
Q

What are the different types of EC2 instances based on their costs? (4)

A

On-Demand

Spot

Reserved

Dedicated

16
Q

CloudFront delivers your content

A

CloudFront delivers your content to your users faster through a worldwide network of data centers called edge locations.

17
Q

Security Groups are ____-based Virtual ________ that allow you to control access to your instances.

A

Security Groups are rule-based Virtual Firewalls that allow you to control access to your instances.

18
Q

A Stateful vs Stateless Firewall

A

Stateful Firewall is one that maintains the state of the rules defined. It requires you to define only inbound rules. Based on the inbound rules defined, it automatically Allows the outbound traffic to flow.

19
Q

Stateless Firewall requires you to explicitly define rules for

A

Inbound as well as outbound traffic.

20
Q

What are the four Cloud file Storage types?

A

Files, Blocks, Objects, Datasets

21
Q

Describe the four types of file types?
Files, Block, Object, Datasets

A

Files – Data collections that are grouped into files located in folders.

Blocks – It is the lowest level of storage and the closest to the hardware.

Datasets – Data sets organized into tables like SQL or NoSQL

Objects – Data and the associated metadata are organized as web-based resources.