Containers Flashcards

1
Q

provide a standard way to package your application’s code, configurations, and dependencies into a single object

A

containers

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2
Q

plaintext file that specifies all of the components that are included in the container

A

dockerfiles

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3
Q

Are containers portable?

A

Yes

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4
Q

Parent OS used, FS layers are shared making containers

A

lightweight

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5
Q

Containers only run the application and environment that it needs

A

True

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6
Q

Provides much of the isolation virtual machines do

A

true

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7
Q

exposed to the outside world so they can be accessed

A

ports

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8
Q

can application stacks be multi-container

A

Yes

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9
Q

fully managed container orchestration service that helps you easily deploy, manage, and scale containerized applications

A

Amazon Elastic Container Service (Amazon ECS)

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10
Q

logical grouping of tasks or services used to isolate your applications

A

Amazon ECS cluster

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11
Q

application components must be configured to run in containers

A

true

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12
Q

text file that describes one or more containers that form your application in JSON format

A

Task Definition

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13
Q

instantiation of a task definition within a cluster

A

Task

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14
Q

run and maintain your desired number of tasks simultaneously in an Amazon ECS cluster

A

Services

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15
Q

defines the images and ports used

A

Container Definition

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16
Q

Configure and deploy EC2 instances in your cluster to run your containers where you manage and pay for the instances

A

EC2 Mode

17
Q

This is a serverless pay-as-you-go option. You can run containers without needing to manage your infrastructure.

A

Fargate Mode

18
Q

ECS cluster runs within a

A

VPC

19
Q

Given network interfaces inside a VPC which allows the tasks to be run

A

Fargate Shared Inrfrastructure

20
Q

Workloads that require consistently high CPU core and memory usage

A

EC2 Mode

21
Q

Large workloads that need to be optimized for price

A

EC2 Mode

22
Q

Used when your applications need to access persistent storage

A

EC2 Mode

23
Q

Used when you must directly manage your infrastructure

A

EC2 Mode

24
Q

Large workloads that need to be optimized for low overhead

A

Fargate Mode

25
Q

Small workloads that have occasional burst

A

Fargate mode

26
Q

Used for Tiny or Batch Workloads

A

Fargate mode

27
Q

open-source software that allows you to deploy and manage containerized applications at scale

A

Kubernetes

28
Q

managing a cluster of compute instances and scheduling containers to run on the cluster based on the available compute resources and the resource requirements of each container

A

Kubernetes

29
Q

Resources, where pods are places on nodes to run

A

Node

30
Q

Containers, smallest unit in Kubernetes often 1 container per

A

Pod

31
Q

How something external from a cluster can access the service

A

Ingress

32
Q

Volume whos lifecycle lives beyond any 1 pod using it

A

Persistent Storage (PV)

33
Q

managed Kubernetes service that makes it easy for you to run Kubernetes on AWS and on-premises

A

Amazon Elastic Kubernetes Service (Amazon EKS)

34
Q

Runs and scales the Kubernetes control plane across multiple AWS Availability Zones to ensure high availability

A

True

35
Q

Can use EBS, EFS, FSx as storage providers

A

True