Cloud

Question 1

Cloud Benefits

Answer 1

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

Question 2

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

Answer 2

public cloud

Question 3

Designed for both public and private use for an organization

Answer 3

hybrid cloud

Question 4

Designed for private use and maintained by an organization

Answer 4

private cloud

Question 5

virtualization

Answer 5

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

Question 6

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

Answer 6

vm

Question 7

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

Answer 7

vagrant

Question 8

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

Answer 8

hypervisor

Question 9

hypervisor type 1

Answer 9

sits directly on hardware

Question 10

hypervisor type 2

Answer 10

sits on OS

Question 11

vagrant’s config file

Answer 11

vagrant file

Question 12

vagrant command line tool

Answer 12

vagrant

Question 13

Vagrant benefits

Answer 13

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

Question 14

IaaS

Answer 14

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

Question 15

Benefits of IaaS

Answer 15

cost
maintenance
security
scalability
disaster recovery
control

Question 16

use cases for iaas

Answer 16

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

Question 17

PaaS

Answer 17

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

Question 18

benefits paas

Answer 18

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

Question 19

benefits SaaS

Answer 19

:
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

Question 20

code is written to perform one task

Answer 20

serverless computing

Question 21

provides event driven compute

Answer 21

aws lamba

Question 22

can be triggered by over 200 aws services

Answer 22

aws lambda

Question 23

integrates with other aws services

Answer 23

aws lambda

Question 24

provides connection to relational databases and shared file systems

Answer 24

aws lambda

Question 25

the code takes a form of a function

Answer 25

serverless

Question 26

apps/functions triggered by different events

Answer 26

serverless

Question 27

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

Answer 27

serverless

Question 28

the code runs in a stateless container

Answer 28

serverless

Question 29

the servers are abstracted

Answer 29

serverless

Question 30

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

Answer 30

serverless

Question 31

Integrates with AWS simple notification service

Answer 31

google cloud functions

Question 32

app enginee

Answer 32

serverless computing

Question 33

cloud run

Answer 33

serverless computing

Question 34

provides an open source runtime

Answer 34

azure functions

Question 35

Open source platform developed by kubernetes

Answer 35

knative

Question 36

used to deploy and manage serverless apps

Answer 36

knative

Question 37

key features are services and eventing

Answer 37

knative

Question 38

aims to simplify code and function deployment to kubernetes

Answer 38

openfaas

Question 39

uses docker as a container runtime

Answer 39

openfaas

Question 40

runs on bare metal

Answer 40

openfaas

Question 41

microservices can be built in any language

Answer 41

openfaas

Question 42

addresses the need to provision and manage large amounts of systems

Answer 42

configuration management tool

Question 43

introduces the idea of infrastrcutrue as code

Answer 43

configuration management tool

Question 44

resources are defined through config files

Answer 44

configuration management tool

Question 45

provides consistency and reusability

Answer 45

config tool

Question 46

single management node and agentless architecture

Answer 46

ansible

Question 47

updates and communication occur over ssh

Answer 47

ansible

Question 48

nodes are specified through inventory files

Answer 48

ansible

Question 49

playbooks

Answer 49

ansible

Question 50

manifest file and catalog file

Answer 50

puppet`

Question 51

client server models

Answer 51

puppet, salt, chef

Question 52

provides both client server and agentless

Answer 52

salt

Question 53

Defines resources and infrastructure through declarative human readable config files

Answer 53

terraform

Question 54

uses version control

Answer 54

terraform

Question 55

manage infrastructure across platforms

Answer 55

terraform

Question 56

uses plugins to interact with services through apis

Answer 56

terraform

Question 57

terraform steps

Answer 57

scope, author , initalize, plan,apply

Question 58

uses templates

Answer 58

cloudformation

Question 59

yaml or json

Answer 59

cloudformation

Question 60

uses aws development kit

Answer 60

cloudformation

Question 61

supports third party services

Answer 61

cloudformation

Question 62

incorporates safety controls when provisioning services

Answer 62

cloudformation

Question 63

supports deployment and lifecycle management of large scale distritued services

Answer 63

bosh

Question 64

created for use with cloudfoundry

Answer 64

bosh

Question 65

bosh deployment cycle

Answer 65

stemcell, release, deployment

Question 66

director is main orchestration component

Answer 66

bosh

Question 67

can be called a key value database

Answer 67

key value store

Question 68

flexible way to stor large datasets

Answer 68

key value store

Question 69

supports read and write http

Answer 69

etcd

Question 70

stores data in hierarchical directories

Answer 70

etcs

Question 71

can use ssl for client certificate expiration

Answer 71

etcd

Question 72

benchmarked at 1000 writes per instance

Answer 72

etcd

Question 73

distributed throguh raft protocol

Answer 73

etcd

Question 74

Can be accessed through the consul kv subcommands

Answer 74

http, api and consul ui

Question 75

keys include any character

Answer 75

consul kv

Question 76

uses watches to monitor for updates

Answer 76

consulkv

Question 77

a coordination service for distributed apps

Answer 77

zookeeper

Question 78

ensemble

Answer 78

zookeeper

Question 79

each instance keeps an in memory image of the state

Answer 79

zookeeper

Question 80

uses znode

Answer 80

zookeeper

Question 81

a distributed search and analytics engine

Answer 81

elasticsearch

Question 82

provides search analytics for various forms of data

Answer 82

elastisearch

Question 83

stores data as json documents

Answer 83

elastisearch

Question 84

stores relate ddocuments in an index

Answer 84

elastisearchleverag

Question 85

leverages kibana for insights

Answer 85

elastisearch

Question 86

components of elastisearch

Answer 86

node, replica, shard, ocument, index, cluster

Question 87

performs system monitoring and alerting

Answer 87

prometheus

Question 88

provides searching, monitoring and analyzing and visualizing data

Answer 88

splunk

Question 89

supports input data of any format

Answer 89

splunk

Question 90

indexes data

Answer 90

splunk

Question 91

supports real time data streaming

Answer 91

splunk

Question 92

components of splunk

Answer 92

heavy forwarder universal forwarded indexer search head

Question 93

records and processes and numeric time series data

Answer 93

prometheus

Question 94

leverages grafana

Answer 94

prometheus

Question 95

collects metrics from targets by scraping http endpoints

Answer 95

prometheus

Question 96

uses flexible query language

Answer 96

prometheus

Question 97

leverages grafana

Answer 97

prometheus

Question 98

components of prometheus

Answer 98

server, client libraries pushgateway, exporters, alert manager