Definitions Flashcards

1
Q

ACL

A

Access control list.
Ensures the proper traffic is allowed to subnet
a firewall/security layer on the subnet level

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2
Q

Auto Scaling

A

Automates the process of adding or removing EC2 instances based on traffic demand for your application.

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3
Q

Buckets

A

Root-level folders

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4
Q

Cloudfront

A

Content delivery network that allows you to store your content at edge locations. Makes content available globally with low latency

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5
Q

Cloudtrail

A

Tracks user activity and API calls within your account.

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6
Q

Cloudwatch

A

Collection of services that help you monitor and observe your cloud resources.

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7
Q

Consolidated billing

A

allows you to view, manage and pay bills for multiple aws accounts in one user interface.

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8
Q

DNS Server

A

database of website domains and their corresponding IP address

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9
Q

DynamoDB

A

NoSQL database service that does not provide NoSQL software options

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10
Q

EBS

A

Elastic block store. Provides persistent block volumes for use of EC2 instances. Storage device that can be attached to or remove from your instance

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11
Q

EC2

A

Elastic compute cloud

a virtual computer. Allows you to rent and manage virtual servers in the cloud

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12
Q

ELB

A

Elastic load balancing.

Evenly distributes traffic between EC2 instances and that are associated with it

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13
Q

ElastiCache

A

Data caching service used to help improve the speed/performance of web applications running on AWS

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14
Q

Elasticity

A

the ability of system to increase and decrease in size.

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15
Q

Lambda

A

serverless compute service that lets you run code without managing servers.

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16
Q

Fargate

A

a serverless compute engine for containers

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17
Q

Lightsail

A

Lightsail allows you to quickly launch all the resources you need for small projects.

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18
Q

Outposts

A

Allows you to run cloud services in your internal data center.
Provides object storage on-premis
Data that needs to be kept local
Demanding application performance needs
Store data across multiple devices and servers

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19
Q

Batch

A

Batch allows you to process large workloads in smaller chunks (or batches).

20
Q

S3

A

Simple Storage Service. Object storage service for the cloud that is highly available

21
Q

EFS

A

Elastic File System.

a serverless network file system for sharing files

22
Q

Storage gateway

A

hybrid storage service.
moving backs ups to the cloud
connect on-premise and cloud data

23
Q

Global Accelerator

A

Provides Low Latency. Sends your users through the AWS global network when accessing your content, speeding up delivery

24
Q

S3 transfer acceleration

A

Simple storage service acceleration.
Improves content uploads and downloads to and from S3 buckets
Fast travel of files over long distances

25
Q

Route 53

A

a DNS service that routes users to applications. Where you configure and manage web domains for websites or applications you host on AWS.

26
Q

VPC

A

Virtual Private Cloud.
a foundational service that allows you to create a secure private network in the aws cloud where you launch your resources.
A private subsection of AWS you control and in which you can place AWS resources.

27
Q

Direct Connect

A

Dedicated physical network connection from your on-premises data center to AWS

28
Q

VPN

A

Virtual private Network.

Site to site VPN Creates a secure connection between your internal networks and your AWS VPCs.

29
Q

Benefits of Cloud computing

A
  1. High availability
  2. Elasticity
  3. Agility
  4. Durability
30
Q

6 Advantages of cloud computing

A
  1. Go global in minutes
  2. Stop spending money running and maintain data centers
  3. Benefit from massive economies of scale
  4. Increase Speed & Agility
  5. Stop guessing capacity
  6. Trade capital expenses for variable expense.
31
Q

Regions

A

a physical location that contains multiple AZs.

Geographic locations

32
Q

Availability Zones

A

Collection of one ore more physically separated data centers

Characteristics:

  • fault tolerant
  • Allows for high availibility
  • physically seperated
  • connected through low-latency links
33
Q

Edge Location

A

Cache content for fast delivery to your users.

Reduced latency - low latency

34
Q

Data Center

A

A single data center contains multiple servers

35
Q

On-Demand Instance

A

a fixed price in which you are billed down to the second based on instance type.

36
Q

Spot Instance

A

Let you take advantage of unused EC2 Capacity. Cheapest option

37
Q

Reserved instances (RI)

A

Allows you to commit to a specific instance type in a particular region for 1 to 3 years.
Pay money upfront to receive discount.

38
Q

Dedicated Hosts

A

Allow you to pay for a PHYSICAL SERVER that is fully dedicated to running your instances.

39
Q

Dedicated Instance

A

runs on the host

40
Q

Savings Plans

A

Allows you to commit to compute usage (measured per hour) for 1 to 3 years

41
Q

S3 Standard

A

Simple Storage Service,. General purpose storage. Data stored multiple availability zones.
Low latency, high throughput.
Recommended for frequently accessed data

42
Q

S3 Intelligent Tiering

A

Simple Storage Service. General purpose storage. Data stored across multiple availability zones.
Automatically moved your data to the most cost-effective storage class.

43
Q

S3 Standard-infrequent Access

A

Data accessed less frequently but require rapid access. .Data stored in across multiple availability zone

44
Q

S3 One Zone-Infrequent Access

A

Like S3 Standard-IA but data stored in a single availability zone

45
Q

S3 Glacier

A

Long term data storage & archival for lower costs.

46
Q

S3 Glacier Deep Archive

A

Like S3 Glacier but longer access times.
12-48 hours.
Cheapest of all S3 options.