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Cloud Computing > AWS Study Practice - 1 > Flashcards

AWS Study Practice - 1 Flashcards

1
Q

What is stands for AWS

A

Amazon Web Services

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2
Q

What is stand for IAM

A

Identity and access management

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3
Q

Iam is resposible for ?

A

IAM is responsible for authentication and authorisation ,Identify the user and control the access

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4
Q

What are the credentials of root user ?

A

Email id and password

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5
Q

How many ways to set user permissions while creating and Iam user ?

A

Permission options are:
1. Add user to group
2. Copy permission from existing user*
3. Attach existing policies directly

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6
Q

What is the best practices to add a permission to user ?

A

The best practices Or recommended user to a group

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7
Q

By which user we have to do daily activities on AWS what is the recommended way

A

Do not use Root user for daily activities, instead of use IAM userwith admin access policy

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8
Q

What is high latency

A

latency means acces time to acces an resourse .High latency means slow Access for users from other parts of the world

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9
Q

If the application is deployed for away from user then what are the challenges

A

Slow user accessWhat if data centre crashes

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10
Q

What is low availability

A

Resource or application is not available

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11
Q

If we deploy and application in London region data centre, then Indian user face slow access , so what could be the solution

A

We have to deploy our application in nearest region

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12
Q

How to achieve high availability

A

By deploying our application is on multiple regions

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13
Q

How to get fast user access

A

Deploy the application in a data centre which is nearest to the user

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14
Q

What are zones and regions in AWS

A

Data center facilities are located in different physical locations. These locations are categorized by regions and Availability Zones.
Regions & zones provide additional scalability and reliability,

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15
Q

What are the Advantages of deploying your app in multiple regions and multiples zones

A

Regions help us to achieve high availability, low latency,
global footprint, and help us to adhere to government regulations.
High availability
Low latency
Global Footprint A startup in India can easily deploy applications to multiple parts of the world.adherence to global regulations.Different countries have different regulations.Let’s say United States of America wants all the data related to its citizens to reside only within their country.

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16
Q

What is region ?

A

Geographic Locations across the globe

17
Q

What are zones ?

A

Zones come under regions ,Each availability zone is a set of one or more discrete data centers.Each of the availability zones has independent and redundant power, networking and connectivity.All the availability zones in a region are connected through low latency linksFor example we have : region us-east1 having six zonesus-east-1 is region code ,us-east-1a us-east-1bus-east-1cus-east-1dus-east-1eus-east-1f

18
Q

Fault tolerance

A

Fault tolerance is the property that enables a system to continue operating properly in the event of the failure of one or more faults within some of its components.

19
Q

Adavantage of avaiability zones ?

A

The biggest advantage of going for availability zones is increased availability and fault tolerance

20
Q

What is EC2

A

Elastic Compute Cloud , allow users to create virtual machines on which to run their own applications.

21
Q

Where do you deploy applications in cloud

A

We have to rent virtual servers on cloud , EC2 instances

22
Q

What is EC2 instances

A

Virtual Machines in AWS
Itis an Hardware for OS

23
Q

What are the important features of EC2 .

A
  1. Create and manage lifecycle of EC2
  2. Attach storage to your EC2 instances
  3. Load balancing for multiple EC2 instances
24
Q

Service is required to create virtual machines on aws

A

EC2 Service is required to provision EC2 instances

25
Q

What can be done by EC2 Service

A

By using EC2 service we can create EC2 instances & perform varios actions like :1. Create EC2 Instance2. Start EC2 Instance3. Stop EC2 Instance4. Terminate EC2 Instance

26
Q

What is EBS

A

Elastic Block Store

27
Q

How to attach storage to EC2 instances

A

We have to use EBS - Elastic Block Store

28
Q

How to load balance virtual machines in AWS

A

ELB -Elastic Load Balancer feature is used to do load balancing EC2 instances EC2 instances are the virtual machines in AWS cloud , for load balcing of Multiple EC2 instances we have to use elastic Load Balancer

29
Q

What is called OS images in aws ?

A

AMI Amazon Machine Images

30
Q

How to create an alert for over budget ?

A

Goto Billing Dashboard,under cost management , see Budget

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