2025年AWS认证解决方案架构师助理级（SAA-C03）-英文版通关必做强化训练试题库500题及答案

configuredwithdefaultsettings.Everybusinessintelligence(BI)processing.Thecompanyobservesthat eachemployeeonthedayoftheemployee'sworkaA、CreatG、Notification table.Thecompany'scompliancerequirementsspecifyA、Creat生命周期策略在6个月后转冷存储，同时设置保留期为7年，AWSLambdafunctions.EventswillanAmazonS3bucket.ThedevelopmentNotificationService(AmazonA、CreatServerless架构的弹性扩展原则。-------------------withtrafficdirectedbyAmexperiencesatimeouterrorwhenattemptingtsolutionsarchitectimplemenA、CreatBalancing设计弹性架构》),通过分层解耦DNS与流量分发，提升应用可用性。A、ProvisionScalinggroupacrossmultipleAvlabthanwritetransactions.ThecompanywantsasA、UstoAWS.Theapplcompanymustenc密)和服务器端加密(数据到达S3后加密)。根据题干要求，数据必须在上传到700,000usersforitsdocumentmtheoriginalfilesandtheconverteddesignascalablesolutionovertime.WhichsolutionmeetsthesereqA、Sav MOSTcost-efA、UsG、policytotransitionobjec访问的前30天数据，S3Standard-IA适用于每年四次访问的30天至1年数据，(30天转Standard-IA,1年转GlacierDeepArchive)比自动分层的wereaccidentallyA、ChangG、EBSsnapshotstoanotherAWSRegiAutoScalinggroupcustomers.WhichsolutionwillA、CreatB、anAmazonCloudFrontdistrA、CreatA、Creat配置IAM用户(选项A的缺点)。选项B使用根用户不符合安全最佳实践，选项Dshouldhaveonlylimite全权限、普通员工受限权限的需求(基于行级安全或仪表板共享策略),而AWSE、on-premisesserverstoAmazonS3.variableontheserver.ThecompaAWSandtorthatthedatabasecredentialsareA、Stortheus-east-1Region.Thetrafficrecently,andA、Creat applicationtotheinternet.Thecompanyfivisibilityintoabnormalitiesbetter.WhatA、CreatC、inAmazonAthen则。--------------------instancesaccessthefrecovery(DR)solutiosameprotocolsasrequirementswiththeLEASTA、Creat24.AcompanyneedsguaranteedA、PurchasG、CapacityReservationinthreeAZs,separatemakingOn-DemandCapacityReservationsnecessary.AWS文档指出，CapacityReservations需明确指定可用区，而ReservedInstances默认不绑定可用区。选项D符合场景中“指定区域及三个可用区”的要求，而选项C的ReservedInstances无法确保容量预留。案成本过高),也无需启用传输加速(D方案主要优化上传)。GlobalAccelerator(B方案)虽能优化网络路径但成本效益不及CDN。正确方案仅需创建compliancepurposesinternetconnectivity.WhichsA、Rea参考AWSSnowball文档，该服务专为EB级数据迁移设计，支持物理设备运输。选项C使用Snowball设备配合TapeGateway,绕过1Gbps带宽限制，直接物理运输数据。GlacierDeepArchive作为最低成本存储层，适合十年保留周期。选项A依赖1Gbps网络传输5PB数据，时间远超六个月；选项B同样面临网络瓶颈；选项D的本地TapeGateway需要持续维护且成本较高。C通过离线传输和自动归档connecttothepublicintA、Creat lable,faulttolerant,andautomaticallyscalable.Whatshoul ScalingeventsstatusdatainAnotaffecttheA、Us漏实时事件，选项D的bootstrap脚本增加实例启动耗时。选项A的方案完全基于托管服务，契合无服务器架构及实时性要求。 A、Creat31.AcompanyAuroraMySQLDBclustoperationalA、Creat applicationconsiststhewebapplicationoverthepubltoincreasethesecuritydeployathree-tierwebapplication.TAmazonEC2instanTheapplicationEA、CreatsolutionsarchitA、CreatstoredinAmazonS3.Thedocumentsanydocumentmodificationsortheaamountofchangetotheapplexperiencedtimeoutissueswhentheyattemptedtoapplication.ThesolutionsarchiteA、Creat解析：AmazonAuroraPostgreSQL在高负载场景下，通向扩展支持添加多个读实例，RDSProxy自动分配请求，减少主节点压力，避免连接耗尽。选项A依赖事件触发，处理滞后且不直接缓解写入压力；选项B的ZDR适用于维护而非扩展；选项D引入缓存可能增加复杂度，对写入帮助有限。选项C直接增强读取扩展性和连接管理，符合最小停机要求。thatthedatabasestorageperformanavlableandintegratedA、Configur关允许本地应用访问云存储，但其主要用例为混合架构，SMB文件共享在单网关实托管服务，原生支持SMB协议，与MicrosoftActive多可用区部署时自动提供高可用性，满足SharePoint迁移需求。依据AWS官方文成及内置冗余特性。energyconsumptiontenant.ThesolutionsarchitectTheworkloadwillreceivemorefeaH、sensors,processoperationallyefficientsolutionthatA、Us周期管理简化了合规性要求。选项A的PITR仅保留最多35天，无法满足7年需求；D、productionEBSvolume未启用FSR,恢复过程中存在性能波动。RDSforMySQLdatabadatasetcontnssensitiveA、Creatquickly.ThecompanyA、UsD、images.Turnonmultdeletethedataset.Whichsolution arefrequentlyaccessedA、Us索(毫秒级延迟),完全满足6小时内可用的要求。Glacier系列虽成本更低但存A、Creatdataintomemory.Usunusedfordaysorweeks.Othethousandsofrequestsatatime.解析：题目核心在于处理异步请求和弹性扩展，需兼顾冷启动延迟和突发负载。Enterpriseeditiondatabaseusesthedatabasthesameproductiondatserviceswhereverpossible.WhichsolutionwillmeetA、MigratF、Migrat Theapplicationsneedtoreapplicationsmustbeabletocommunicaformorethan10量VPC时可行，但随着数量增长会形成复杂的全网状架构，导致路由表条目指数级增加。TransitGatewa过单一网络接口连接，路由策略集中管理。该服务默认支持5,000个VPC连接和50,000条路由条目，路由表更新自动传播。相较于手动维护VPC对等连接或VPN隧道，可降低90%的路由管理复杂度。专为大规模混合云架构提供可扩展的Layer3网络层。选项D通过单一网关实现全A、Configurtomanageadditionalinfrastructure.AdditionallA、CreatapplicationserveshundredsofmillionsoffinancialtransactionswithseveralotheA、Stor thefilesautomaticallyanalysisS3bSageMakerPipelines.WhatshrequirementswiththeLEASTA、CreatAmazonEventBridge支持多目标路由，允许单一事件触发多个下游服务。选项D采用S3复制自动同步文件，利用EventBridge规则捕获分析桶的ObjectCreated复制(增加维护),或无法有效处理多目标事件路由。webapplicationusedforstoringandviewingapplicationcomponentswillbedeployedapplicationdesignmusthatuserswtfortheengineemustbeabletoA、AmazonS3witAmazonAPIGatewayandanAWSLambdafunctiodatainanAmazonAuroraexperiencedtimeoutsthosecustomers.Thesolutionsarcpreventthetimeoutheapplication.WhiA、ConfigurE、function.ModifyA、Us杂性且不可靠。合规模式(选项B)保留期365天直接满足保留一年的不可变性要59.AcompanyneedstooptimizeitsAmazonS3ststorage.ThecompanymuststorefrequentlyaccessedinththeserequirementsMOSTA、Creat解析：文件需保存4年，立即访问。前30天频繁访问后很少访问。S3生命周期策且可接受分钟到数小时检索时间的数据。选项D在30天 60.AcompanyrecentlystareportthattheecommercereviewingmetricsinC、D),也不涉及数据仓库迁移(选项A)。该方案直接利用Aurora已有的副本 62.Acompanyhasacustomappprogrammingeffort.WhatshouldaA、Us原生集成自动轮换功能(需在RDS中预先创建用户),无需编写额外代码即可实现 withtheacquiringcompany'sAWSaccountinap-souasolutionsarchitA、Creatacrossthecountryfortheiron-premises,file-lablethroughtharoundtheworld.Thecompanyuser'slocation.WA、ImplementanAmaz解析：AmazonRoute53支持多种路由策略，其中地理位置路由策略 ApplicabilityStatement2(AS2)protocol.WhichsolutionwA、UsG、functionforAWS.Thecompanyhindividualvirtualservers.Changestoinstance.AsolutionsarchitectneedsarereliableandfaulttolerantwillrunonAmazonEA、Creat赖被动恢复机制(选项B),或违背不改动应用的约束条件(选项D)。concernedaboutcloudspendingaccoofthebudget.Whichsolutionwillmeetthe警报。选项B中的CostAnomalyDetection用于异常检afteradisaster.WhatshouA、Tak Autoscaler.TheworkloadisnotconsistentThecompanywantstofacilitateson-demandA、Sen据流，天然满足高可用性和低运维需求。选项A依赖S3需额外配置分析服务(如storagecapacity.AsolutionsarchitectexistingdatatoAWSwhileA、Us提供存储，CloudTrI的数据事件记录对象级操作(如S3API调用),满足审计74.Asolutionsarchitectbucketsintwodifferaccount.Whichsolutionwillmeettheserequir variable;severalhoursdataprocessingwilltakeshouldthesolutionsarchitetraffic.Thecompanyneedsthefront-endA、Configur 77.AcompanywantstoLambda.ThecompanywantstorequirementsfortheapplicaA、Configurpointobjective(RPO)isconfigurationchanges.WhichsolutionwillG、productionapplication'sAurorcompanywantstooptimiA、Us全预付3年期的折扣幅度显著高于1年期或部分预付选项。选项D同时为RDS采用ApplicationLoadBalancer(ALB)distributestheapplication.ThesolutionA、Creat容。最小实例设为2、最大6,既防止过度缩容导致可用性比选项C(缺少动态策略),选项B能更精准响应突发流量。选项A和D依赖自定 third-partysoftware.Thecompanyneedstopatchthesecurityvulnerability.WhatA、Creatperformancecomputing(HPC)clusterthaoilandgaswithconsistentsub-msendingthedevicesbacktoA、Creat83.AcompanyhassmethodforthewebserversecurityrequirementtorotateuserA、Storsupportthiscriticaldataworkload.Whichsolutionwi务节点使用Spot”一致。其他选项或误用集群类型(长期集群增加成本),或错误地在核心节点使用Spot实例(导致 bucket.Onceuploaded,thefilewhichtakeslessthan5seconds.ThevolarchitecturethatwillmeettheserequiA、ConfigurA、SetupG、SetupAWSGloba监听器，适用于实时性要求高的场景(如在线游戏)。GlobalAccesolutionsarchitectcompany'sdevelopersthesupportquerieswithstandardSQL.WhicA、Stor infrastructuremapwillmeettheserequirementswiththeA、Us companymustnotA、Creat适用于多实例共享文件存储的场景。凭证。(参考：AWSLambdaDeveloperGu theAWSCloud.Thearchitectureconsistsof击。选项A(GuardDuty)侧重威胁检测，选项B(Inspector)检查漏洞，选项C93.Atransactionprocessingcompanyhengineerscompletethistaskrequiredcapacitytrencapacity.WhichsolutA、CreatA、ConfigurG、athird-partytool.RarchitectureforitsZone.Anemployeerecentlydeltheoverallreliabilitarchitectdoto据库),或引入不适用组件(如C的Lambda),或使用不稳定的实例类型(如DapplicationtomoproviderecommenrequirementswithA、UsA、CreatstrategytoensurethattheAutoScalinggroupprcapacitytominA、CreatE、EC2instanceswhenCPU99.AcompanyhostsafrontendaLambdafunctionconnectstoanAmazonwiththefewestnum执行或低频调用时需初始化环境(加载库、建立数据库连接),造成延迟。配置预 ScalinggroupandwithanAmazonDynamoDBminimaldowntime.WhatshouldarequirementswiththeLEASTamA、Creatcompany'smigrationdisasterrecovery(DR)forthedatab multipleAmazonEaccesstothefiles.ThecustomersarediA、ConfigurB、S3TransferAcceleratiE、S3TransferAcneedstocreateanencrypcontroltheabilityA、Us EKS)clusterforitsworkloads.AllsolutionwillmeettheserequiremenA、Creat解析：本题核心在于实现Kubernetesetcd存储的Secrets加密。根据Amazon存储，确保敏感信息在持久化层安全。其他选项或涉及非etcd加密场景(如 theanalysis.ThejobisstatefulandA、Creat器容器服务，能够支持长时间运行的任务(无15分钟限制),且由EventBridgeoperationallyefficientwausinganAWSmanagedservicesolA、UsarchitectdotoA、CreatALB路由，静态内容直接从S3缓存。Route53将流量定向至CloudFront,统一入口简化架构，符合AWS最佳实践。其他选项引入不必要的复杂度(如GlobalAccelerator)或分割域名，违背单一入口原则。 workloadonAWS.Thisworkloadfromthisinstance.WhatshouldasodatabaseandsnapshotsarealwayA、Encryptinstance.Theapcompanyaddsnewfeatures.Eachtimmodule,theapplicationexperiencesdowntime.Repredesigntheapplicationsscalable,andgraduallapplicationdowntime.WhichthesolutionsarchitectselecA、ConfigurC、Accelerator(DAX)forth解析：亚马逊DynamoDBAccelerator(DAX)是一个完全托管的、高度可用的内存简化应用架构的场景。选项A通过最小化代码变更(仅更新端点)满足低延迟需求。EC2instances.Thecompanyustheapplicationtheusersattemptheseissuesint解析：题干中应用遇到性能下降，用户报告延迟。当前使用M5实例(通用型),可能内存不足。R5实例针对内存优化，适合处理内存密集型任务。替换实例类型 timereportingqueridistributedacrossthreeoftheA、Creat选项C和D无法限制到指定三个副本。 encryptexistingunencrA、CreatG、Operationsjo toseparateleaderboard,matchmaking,andauthenticationservicesguaranteestheorderoftheG、Notificationnetwork-attachedstorage(NAS)systemtotheA、UsC、functionalitytotransferth解析：数据传输时间和加密要求是关键因素。600TB数据通过100Mbps互联网上传需要约555天，远超两周期限。AWSSnowballEdgeStorawapplicationcodeandmustminimiA、Migrat A、ConfigurservicetoaccesstheAPA、ConfigurB、anAmazonCognitoLambda认证(需维护验证逻辑)和选项D的IAM用户(不适用外部用户),选项A122.AcompanyusesAWSOrgA、Configur新创建账户。选项D中统一根邮箱虽存在技术限制(根邮箱需唯一),但核心在于managersfromdiffereA、Us simplifytime-consumingdatabaseadministrdatabaseworkloads.ThecA、Us(跨三个可用区)实现高可用性，故障转移通常可在30-60秒内完成。其内置的本，降低了成本。传统Multi-AZDB实例部署虽然支持故障转移，但备用实例不可处理读请求，需单独添加只读副本，会增加开销。选项D利用集群内置的可读备用wantstopreventtrafficfromtraversingtheipossible.Whichsolutionwillmeettherequeststoitdatacentersinoftheapplication.WhatshouldasolutA、ConfigurG、on-premisesendpoints.Cre A、Creat外脚本或任务，完全满足每日备份、保留30天及最低运维的要求。其他选项均涉 copyofthedatabase.WhatissharethedatabasewithtA、CreatcomposedofmultiplemicroservicesforeacA、UsE、we数据库或未使用CloudFront,运维成本较高。正确答案B通过全托管服务组合达成目标。--------------------applicationbeingdeployedtotheAmazonEC2On-Dfrequentlythroughouttheday.AnApplichandletheloaddistribution.distributedsessionensurethatthearA、UsH、sessionaffinity(stickyses用于频繁访问的会话数据。ApplicationLoadBawiththeon-premisesservicesA、Creatandtransactions.Thecompanyconfiguresamulti-facto(MFA)devicetosecure指出，根用户可关联多个MFA设备(例如硬件令牌和虚拟认证器),确保在单一设 A、ConfiguranalyzethelogA、CreatD、MigratworkloadstoAmazonEC2andtoprstoragecapacity.WhichAmazonElastictypewillmeetthese答案：C供3I0PS,最高16,000),如需15,000IOPS则需至少5,000GB容量，与“解耦”GP3允许单独调整I0PS(基线3,timeandforanyA、Stor实时访问，仅强调“随时可用”(Glacier仍可通过检索操作获取数据),因此该 138.Asolutionsarchitcost-effectivesoluthebatchjobsarecomplete.WhatshouldthesoH、maximumcapacit acrosstheorganizatiofsecuritygroupA、CreatD、organization'sman A、Us答案：BserverstoreslargefilesdaysafterthefilesarthemostrecentlprovidefilelifecycleA、Usmicroservicesarchithatcollects,aS3.Thecustomer'sapplicatifiles.WhichsolutionwillmeettheserequiremeoperationaloverheadandnomultipleAWSRegionE、PostgreSQLclustero databasetohaveminimaldowntime.Adatabaseadministrasolution