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AWS_Developer_Path August21 > EC2_SUMMARY > Flashcards

EC2_SUMMARY Flashcards

1
Q

EC2

Its a “______” that is hosted in AWS instead of your data center.

A

Virtual Machine

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2
Q

EC2

Select capacity

A

When you need it right now.

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3
Q

EC2

Grow and shrink

A

When needed

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4
Q

EC2

What do you pay for

A

What you use

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5
Q

EC2

Instead of waiting months you wait

A

Minutes

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6
Q

EC2 - Pricing

Pay by the hour or the second depending on the type of instance you run and its great for flexibility

A

On-Demand

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7
Q

EC2 - Pricing

Reserve capacity for one or three years. Up to 72% discount on the hourly charge and great if you have known, fixed requirements.

A

Reserved

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8
Q

EC2 - Pricing

Purchase unused capacity at a discount of up to 90%. Prices fluctuate with supply and demand and great for apps with flexible start and end times.

A

Spot

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9
Q

EC2 - Pricing

A physical EC2 server dedicated for your use and it is great if you have server-bound licenses to reuse or compliance requirements.

A

Dedicated.

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10
Q

EC2

Determines the hardware of the host computer and has different types of compute, memory and storage capabilities and they are grouped into families. You should select an instance type based on the requirements of your application.

A

Instance Type

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11
Q

EC2

Highly available and scaleable storage volumes that you can attach to an EC2 instance

A

EBS Volumes

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12
Q

EC2

Suitable for boot disks and general applications.

A

General Purpose - SSD

GP2

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13
Q

EC2

Up to 16,000 IOPS per volume

A

General Purpose - SSD

GP2

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14
Q

EC2

Up to 99.9% durability

A

General Purpose - SSD

GP2

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15
Q

EC2

Suitable for OLTP and latency sensitive applications. High Performance

A

Provisioned IOPS SSD

IO1

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16
Q

EC2

50 IOPS/GIB

A

Provisioned IOPS SSD

IO1

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17
Q

EC2

Up to 64,000 IOPS per volume

A

Provisioned IOPS SSD

IO1

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18
Q

EC2

Up to 99.9% durability

A

Provisioned IOPS SSD

IO1

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19
Q

EC2

More expensive than GP2

A

Provisioned IOPS SSD

IO1

20
Q

EC2

Latest generation Provisioned IOPS volume

A

Provisioned IOPS SSD

IO2

21
Q

EC2

Suitable for OLTP and latency apps - high performance

A

Provisioned IOPS SSD

IO2

22
Q

EC2

500 IOPS / GIB

A

Provisioned IOPS SSD

IO2

23
Q

EC2

Up to 64,000 IOPS per volume.

A

Provisioned IOPS SSD

IO2

24
Q

EC2

99.999% durability

A

Provisioned IOPS SSD

IO2

25
Q

EC2

Suitable for Big Data, data warehouses, ETL

A

Throughput Optimized HDD

ST1

26
Q

EC2

Max throughput is 500 MB/s per volume

A

Throughput Optimized HDD

ST1

27
Q

EC2

Cannot be a boot volume

A 
Throughput Optimized HDD
ST1
--AND--
Cold HDD
SC1
28
Q

EC2

Up to 99.9% durability

A 
Throughput Optimized HDD
ST1
--AND--
Cold HDD
SC1
29
Q

EC2

Max throughput of 250 MB/s per volume

A

Cold HDD SC1

30
Q

EC2

A point-in-time copy of an EBS volume that is great for backing up EBS volumes - they can be used to create new EBS volumes

A

EBS Snapshot

31
Q

EC2

If you create a new EBS volume from an encrypted snapshot then you will have an

A

Encrypted volume

32
Q

EC2

If you create a new EBS volume from an unencrypted snapshot then you will have an

A

Unencrypted volume

33
Q

EC2

Intelligent load balancing for HTTP/HTTPS that routes requests to a specific web server based on the request type.

A

Application Load Balancer

34
Q

EC2

Provides high-performance load balancing for TCP traffic

A

Network Load Balancer

35
Q

EC2

The legacy option that supports both HTTP/HTTPS and TCP traffic.

A

Classic Load Balancer

36
Q

EC2

Provides load balancing for third-party virtual appliances.

A

Gateway Load Balancers

37
Q

EC2

If you need to find the IPv4 address of your end user then look for this header

A

X-Forwarded-For

38
Q

EC2

Error message whereby application is not responding within the timeout period.

A

504 Error

Gateway Timeout

39
Q

EC2

Amazon’s DNS service

A

Route 53

40
Q

EC2

Route 53 maps domain names to

A

EC2 Instances
Elastic Load Balancers
S3 Buckets

41
Q

EC2

A container for DNS records for your domain

A

Hosted Zone

42
Q

EC2

Allows you to route traffic address to the zone apex or the top of the DNS name space

A

Alias

ie ilovecloud.com sent to ELB

43
Q

EC2

Allows you to route traffic to a resource, such as a web server using an IPv4 address

A

A Record

44
Q

EC2

Always give your users the minimum amount of access required to do their job

A

Least Privilege

45
Q

EC2

Create IAM groups and assign your users to group. Group permissions are assigned using IAM policy documents

A

Use Groups

AWS_Developer_Path August21 (13 decks)

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