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Ultimate AWS Certified Solutions Architect Associate SAA-C03 Exam Questions and Answers
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Ultimate AWS Certified Solutions Architect Associate SAA-C03 Exam Questions and Answers
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Ultimate AWS Certified SolutionsArchitect Associate SAA-C03 Exam
Questions and Answers
Leaders iiof iithe iicloud ii- iiCorrect iiAnswers ii-1. iiAWS
2. iiMicrosoft
3. iiGoogle
4. iiAlibaba iiCloud
5. iiOracle
6. iiIBM
Over ii1 iimillion iiusers iion iiAWS
AWS iiCloud iiUse iiCases ii- iiCorrect iiAnswers ii--Enables iiyou iito iibuild iisophisticated,
iiscalable iiapplications
-Applicable iito iia iidiverse iiset iiof iiindustries
-Use iiCases iiinclude:
iiEnterprise iiIT, iiBackup ii& iiStorage, iiBig iiData iiAnalytics, iihost iia iiwebsite, iicreate iia
iibackend iifor iimobile ii& iisocial iiapps, iientire iigaming iiservice, iiendless iioptions. ii
McDonalds, iiNetflix, iiActivision, ii21st iicentury iifox
AWS iiregions ii- iiCorrect iiAnswers ii--Regions iiall iiaround iithe iiworld
-Names iican iibe iius-east- iiI, iieu-west-3...
-A iiregion iiis iia iicluster iiof iidata iicenters
-Most iiAWS iiservices iiare iiregion
How iito iichoose iian iiAWS iiregion? ii- iiCorrect iiAnswers ii--Compliance iiwith iidata
iigovernance iiand iilegal iirequirements: iidata iinever iileaves iia iiregion iiwithout iiyour
iiexplicit iipermission
-Proximity iito iicustomers: iireduced iilatency
-Available iiservices iiwithin iia iiregion
-Pricing
AWS iiavailability iizone ii- iiCorrect iiAnswers ii--Each iiregion iihas iimany iiavailability
iizones. iiUsually ii3, iimin iiis ii3, iimax iiis ii6.
,Ex: ii
ap-southeast-2a
ap-southeast-2b
ap-southeast-2c
There iiare iimore iithan iiin iicase iiof iidestruction. iiEach iiavailability iizone iiis iitheir iiown
iidiscrete iidata iicenter iiand iiconnected iiwith iihigh iibandwidth, iiultra-low iilatency
iinetworking.
AWS iiPoints iiof iiPresence ii(Edge iiLocations) ii- iiCorrect iiAnswers ii-Amazon iihas ii400+
iipoints iiof iipresence, ii10+ iiregional iicaches, iiin ii90+ iicities iiacross ii40+ iicountries.
Content iiis iidelivered iito iiend iiusers iiwith iilower iilatency
AWS iiGlobal iiServices ii- iiCorrect iiAnswers ii--Identity iiand iiAccess iiManagement ii(IAM)
-Route ii53 ii(DNS iiservice)
-CloudFront ii(Content iiDelivery iiNetwork)
-WAF ii(Web iiApplication iiFirewall)
Most iiAWS iiservices iiare iiregion-scoped: ii- iiCorrect iiAnswers ii--Amazon iiEC2
ii(infrastructure iias iia iiservice)
-Elastic iibeanstalk ii(Platform iias iia iiservice)
-Lambda ii(Function iias iia iiservice)
-Rekognition ii(Software iias iia iiservice)
IAM: iiUsers iiand iiGroups ii- iiCorrect iiAnswers ii-IAM ii= iiIdentity iiand iiAccess
iiManagement, iiGlobal iiservice
Root iiaccount iicreated iiby iidefault, iishouldn't iibe iiused iior iishared.
Users iiinstead ii- iipeople iiwithin iiyour iiorganization iiand iican iibe. ii
Groups iionly iicontain iiusers iiand iican iibelong iito iimultiple iigroups. iiEX: iiGrouped iias
ii"Group: iiDevelopers" iior ii"Group: iiOperations"
IAM: iiPermissions ii- iiCorrect iiAnswers ii-Users iior iigroups iican iibe iiassigned iiJSON
iidocuments iicalled iipolicies. iiThese iipolicies iidefine iithe iipermissions iiof iithe iiusers. ii
In iiAWS iiyou iiapply iithe iileast iiprivilege iiprinciple.
IAM iiPolicies iistructure ii- iiCorrect iiAnswers ii-Consists iiof:
-Version: iiPolicy iilanguage iiversion, iialways iiinclude ii"2012-I0-I7"
-ID ii(optional)
-Statement: iione iior iimore iiindividual iistatements
---Consists iiof: iiSid: iian iiidentifier iifor iithe iistatement ii(optional)
---Effect: iiwhether iithe iistatement iiallows iior iidenies iiaccess ii(Allow, iiDeny)
---Principle: iiaccount/user iito iiwhich iipolicy iiapplied iito
---Action: iiList iiof iiactions iithis iipolicy iiallows iior iidenies
,---Resources: iilist iiof iiresources iito iiwhich iiactions iiapply iito
---Condition: iiConditions iifor iiwhen iithis iipolicy iiis iiin iieffect ii(optional)
IAM iidefense ii15.**** ii- iiCorrect iiAnswers ii-1. iiIAM iiPassword iiPolicy iiAllows iiusers iito
iiedit iitheir iiown iipasswords, iietc. ii
2. iiMFA ii- iiDevice iioptions:
AWS iiCloudShell ii- iiCorrect iiAnswers ii-A iibrowser-based iishell iithat iimakes iiit iieasy iito
iisecurely iimanage, iiexplore, iiand iiinteract iiwith iiyour iiAWS iiresources
IAM iisecurity iitools ii- iiCorrect iiAnswers ii-IAM iicredentials iireport ii(account-level)
IAM iiaccess iiadvisor ii(user-level)
IPv4 ii- iiCorrect iiAnswers ii-Most iicommon iiformat iiused iionline
-Allows iifor ii3.7 iibillion iiaddress
Placement iiGroups: ii- iiCorrect iiAnswers ii-Having iistrategy iifor iiEC2 iiinstance iiplacement
iidefine iias:
1. iiCluster ii- iiclusters iiinstances iiinto iia iilow-latency iigroup iiin iia iisingle iiavailability iizone
----Con: iiIf iirack iifails, iiall iiinstances iifail iiat iisame iitime
2. iiSpread ii- iispreads iiinstances iiacross iiunderlying iihardware
3. iiPartition ii- iispreads iiinstances iiacross iimany iidifferent iipartitions. ii(rely iion iidifferent
iisets iiof iiracks).
ENI ii(Elastic iiNetwork iiInterfaces) ii- iiCorrect iiAnswers ii-Logical iicomponent iiin iia iiVPC
iithat iirepresents iia iivirtual iinetwork iicard. iiCan iihave:
-Primary iiprivate iiIPv4
EC2 iiHibernate ii- iiCorrect iiAnswers ii--RAM iistate iiis iipreserved. iiThe iiinstance iiboot iiis
iimuch iifaster
-Used iifor iilong-running iiprocessing, iisaving iiRAM iistate, iiservices iithat iitake iitime iito
iiinitialize ii
-Hibernation iino iimore iithan ii60 iidays
EBS ii(Amazon iiEC2 ii- iiInstace iiStorage) ii- iiCorrect iiAnswers ii-Elastic iiBlock iistore
iivolume ii
-A iinetwork iidrive iiyou iiattach iito iiyour iiinstances iiwhile iithey iirun
-Allows iito iipersist iidata iiafter iitermination
-One iiinstance iiat iia iitime ii(CCP) iilevel
-Bound iito iia iispecific iiavailability iizone
-Snapshot iiit iito iimove iia iivolume iiacross
Two iikinds iiof iiscalability: ii- iiCorrect iiAnswers ii-1. iiVertical iiScalability
-Increase iiinstance iisize ii=scale iiup/down
2. iiHorizontal iiScalability ii
, -Increase iinumber iiof iiinstances ii=scale iiout/in
-Load iibalancer
3. iiHigh iiAvailability
-Run iiinstances iifor iithe iisame iiapplication iiacross iimulti iiAZ
What iiis iiload iibalancing? ii- iiCorrect iiAnswers ii-Servers iithat iiforward iitraffic iito iimultiple
iiservers ii(e.g., iiEC2 iiinstances) iidownstream.
Why iiuse iia iiload iibalancer?
-Spread iiacross iimultiple iidownstream iiinstances
-Handle iifailures iiof iidownstream iiinstances
-High iiavailability
etc.
Why iiuse iian iiElastic iiLoad iiBalancer? ii- iiCorrect iiAnswers ii-An iiElastic iiLoad iiBalancer
iiis iia iimanaged iiload iibalancer.
-AWS iigurantees iithat iiit iiwill iibe iiworking
-AWS iitakes iicare iiof iiupgrades, iimaintenance, iihigh iiavailability,
-AWS iiprovides iionly iia iifew iiconfiguration iiknobs
-Integrated iiwith iimany iiAWS iiofferings/services
-Costs iiless iibut iimore iiwork
4 iikinds iiof iimanaged iiLoad iiBalancers ii- iiCorrect iiAnswers ii-1. iiClassic iiLoad iiBalancer ii
2. iiApplication iiLoad iiBalancer
3. iiNetwork iiLoad iiBalancer
4. iiGateway iiLoad iiBalancer
*Use iinewer iigeneration ii(Gateway) iifor iimore iifeatures
Application iiLoad iiBalancer ii(v2) ii- iiCorrect iiAnswers ii--Is iiLayer ii7 ii(HTTP)
-Load iibalancing iito iimultiple iiHTTP iiapplications iiacross iimachines ii(target iigroups)
---EC2 iiinstances, iitasks, iilambda iifunctions, iiIP iiaddresses.
---Health iichecks iidone iiat iithe iitarget iilevel. ii
-to iimultiple iiapplications iion iithe iisame iimachine ii(containers)
-Support iifor iiHTTP/2 iiand iiWebSocket
-Support iiredirects ii(from iiHTTP iito iiHTTPS)
-Routing iitables iito iidifferent iitarget iigroups:
--Routing iibased iion iipath iiin iiURL
--Routing iibased iion iihostname iiin iiURL
--Routing iibased iion iiQuery iiString
Application iiLoad iiBalancer ii(v2) iiGood iito iiKnow ii- iiCorrect iiAnswers ii--Fixed iihostname
-Application iiservers iidon't iisee iithe iiIP iiof iithe iiclient iidirectly
---The iiTrue iiIP iiof iithe iiclient iiis iiinserted iiin iithe iiheader iiX-Forwarded-For iialso iiport
iiand iiproto ii(X-Forwarded-Port) iiexample
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