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Study > Cloud > Flashcards

Cloud Flashcards

1
Q

Cloud Benefits

A

scalability
pay as you go
maintenance
reduced upfront cost
security
speed agility

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2
Q

A paid service available for anyone to use. USer not responsible for underlying hardware

A

public cloud

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3
Q

Designed for both public and private use for an organization

A

hybrid cloud

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4
Q

Designed for private use and maintained by an organization

A

private cloud

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5
Q

virtualization

A

abstracts underlying hardware from the app services or systems that are running on that hardware
can inclue virtual machines
can include other software based virtual components such as

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6
Q

A virtual system that behaves as if its running on its own dedicated hardware

A

vm

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7
Q

a tool from hashicorp for building and managing virtual machine environments in a signle workflow

A

vagrant

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8
Q

a piece of software that runs on a physical system and can create multiple isolated virtual os’s

A

hypervisor

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9
Q

hypervisor type 1

A

sits directly on hardware

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10
Q

hypervisor type 2

A

sits on OS

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11
Q

vagrant’s config file

A

vagrant file

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12
Q

vagrant command line tool

A

vagrant

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13
Q

Vagrant benefits

A

supports multiple VMs, OS’s and hypervisors
automates setup of one or more vms. supports use of plugins

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14
Q

IaaS

A

provisioning is self service
networkign compute and storage virtualization but not OS maintained d by provider
fees calculated based on usage
customer responsbile for configuring and installing systems
gcp, aws, azure

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15
Q

Benefits of IaaS

A

cost
maintenance
security
scalability
disaster recovery
control

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16
Q

use cases for iaas

A

web servers
big data
development and testing
app servers
high performance computing

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17
Q

PaaS

A

provider managed infrastructure
development and deployment tools
business analystics
database
middleware
runtime
includes os runtime and middleware but not app and data

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18
Q

benefits paas

A

increase focus on app development
reduces complexity
increased speed of delivery
simplifies lifecycle management
reduces need for system adminstration

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19
Q

benefits SaaS

A

:
Access to enterprise level apps
Access to apps from any location
Regular feature updates
Service provider tutorials and support
Ability to focus on core business products

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20
Q

code is written to perform one task

A

serverless computing

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21
Q

provides event driven compute

A

aws lamba

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22
Q

can be triggered by over 200 aws services

A

aws lambda

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23
Q

integrates with other aws services

A

aws lambda

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24
Q

provides connection to relational databases and shared file systems

A

aws lambda

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25
Q

the code takes a form of a function

A

serverless

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26
Q

apps/functions triggered by different events

A

serverless

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27
Q

a cloud provider executes the piece of code by dinamically allocating resources

A

serverless

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28
Q

the code runs in a stateless container

A

serverless

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29
Q

the servers are abstracted

A

serverless

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30
Q

the user is only charged for the number of resources used to run the code

A

serverless

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31
Q

Integrates with AWS simple notification service

A

google cloud functions

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32
Q

app enginee

A

serverless computing

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33
Q

cloud run

A

serverless computing

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34
Q

provides an open source runtime

A

azure functions

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35
Q

Open source platform developed by kubernetes

A

knative

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36
Q

used to deploy and manage serverless apps

A

knative

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37
Q

key features are services and eventing

A

knative

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38
Q

aims to simplify code and function deployment to kubernetes

A

openfaas

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39
Q

uses docker as a container runtime

A

openfaas

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40
Q

runs on bare metal

A

openfaas

41
Q

microservices can be built in any language

A

openfaas

42
Q

addresses the need to provision and manage large amounts of systems

A

configuration management tool

43
Q

introduces the idea of infrastrcutrue as code

A

configuration management tool

44
Q

resources are defined through config files

A

configuration management tool

45
Q

provides consistency and reusability

A

config tool

46
Q

single management node and agentless architecture

A

ansible

47
Q

updates and communication occur over ssh

A

ansible

48
Q

nodes are specified through inventory files

A

ansible

49
Q

playbooks

A

ansible

50
Q

manifest file and catalog file

A

puppet`

51
Q

client server models

A

puppet, salt, chef

52
Q

provides both client server and agentless

A

salt

53
Q

Defines resources and infrastructure through declarative human readable config files

A

terraform

54
Q

uses version control

A

terraform

55
Q

manage infrastructure across platforms

A

terraform

56
Q

uses plugins to interact with services through apis

A

terraform

57
Q

terraform steps

A

scope, author , initalize, plan,apply

58
Q

uses templates

A

cloudformation

59
Q

yaml or json

A

cloudformation

60
Q

uses aws development kit

A

cloudformation

61
Q

supports third party services

A

cloudformation

62
Q

incorporates safety controls when provisioning services

A

cloudformation

63
Q

supports deployment and lifecycle management of large scale distritued services

A

bosh

64
Q

created for use with cloudfoundry

A

bosh

65
Q

bosh deployment cycle

A

stemcell, release, deployment

66
Q

director is main orchestration component

A

bosh

67
Q

can be called a key value database

A

key value store

68
Q

flexible way to stor large datasets

A

key value store

69
Q

supports read and write http

A

etcd

70
Q

stores data in hierarchical directories

A

etcs

71
Q

can use ssl for client certificate expiration

A

etcd

72
Q

benchmarked at 1000 writes per instance

A

etcd

73
Q

distributed throguh raft protocol

A

etcd

74
Q

Can be accessed through the consul kv subcommands

A

http, api and consul ui

75
Q

keys include any character

A

consul kv

76
Q

uses watches to monitor for updates

A

consulkv

77
Q

a coordination service for distributed apps

A

zookeeper

78
Q

ensemble

A

zookeeper

79
Q

each instance keeps an in memory image of the state

A

zookeeper

80
Q

uses znode

A

zookeeper

81
Q

a distributed search and analytics engine

A

elasticsearch

82
Q

provides search analytics for various forms of data

A

elastisearch

83
Q

stores data as json documents

A

elastisearch

84
Q

stores relate ddocuments in an index

A

elastisearchleverag

85
Q

leverages kibana for insights

A

elastisearch

86
Q

components of elastisearch

A

node, replica, shard, ocument, index, cluster

87
Q

performs system monitoring and alerting

A

prometheus

88
Q

provides searching, monitoring and analyzing and visualizing data

A

splunk

89
Q

supports input data of any format

A

splunk

90
Q

indexes data

A

splunk

91
Q

supports real time data streaming

A

splunk

92
Q

components of splunk

A

heavy forwarder
universal forwarded
indexer
search head

93
Q

records and processes and numeric time series data

A

prometheus

94
Q

leverages grafana

A

prometheus

95
Q

collects metrics from targets by scraping http endpoints

A

prometheus

96
Q

uses flexible query language

A

prometheus

97
Q

leverages grafana

A

prometheus

98
Q

components of prometheus

A

server, client libraries pushgateway, exporters, alert manager

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