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Amazon SAA-C03 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Design High-Performing Architectures	24%	- Determine high-performing data ingestion and transformation solutions 1. AWS Data Pipeline 2. Amazon Kinesis 3. Amazon MSK 4. AWS Glue - Design high-performing and elastic compute solutions 1. Amazon EC2 instance types and families 2. AWS Elastic Beanstalk 3. AWS Lambda 4. Amazon ECS and EKS - Determine high-performing and/or scalable network architectures 1. Amazon Route 53 2. AWS Global Accelerator 3. Amazon CloudFront 4. AWS Direct Connect 5. VPC endpoints - Determine high-performing and/or scalable storage solutions 1. Amazon S3 storage classes and lifecycle policies 2. Amazon EFS 3. Instance Store 4. Amazon EBS volume types 5. Amazon FSx - Determine high-performing database solutions 1. Amazon ElastiCache (Redis/Memcached) 2. Amazon RDS and Aurora 3. Amazon DynamoDB 4. Amazon Redshift
Topic 2: Design Resilient Architectures	26%	- Design scalable and loosely coupled architectures 1. Amazon API Gateway 2. Elastic Load Balancing 3. Auto Scaling groups 4. Amazon SQS and SNS 5. Amazon EventBridge - Design highly available and/or fault-tolerant architectures 1. Multi-AZ deployments 2. AWS Global Accelerator 3. Multi-Region architectures 4. Disaster recovery strategies (backup/restore, pilot light, warm standby, multi-site) 5. Amazon Route 53 routing policies
Topic 3: Design Cost-Optimized Architectures	20%	- Design cost-optimized compute solutions 1. AWS Lambda pricing model 2. EC2 purchasing options (On-Demand, Reserved, Spot, Savings Plans) 3. Auto Scaling for cost optimization 4. Right-sizing instances - Design cost-optimized database solutions 1. ElastiCache for caching 2. Aurora Serverless 3. DynamoDB capacity modes (On-demand vs Provisioned) 4. RDS Reserved Instances - Design cost-optimized network architectures 1. VPC endpoints to reduce NAT costs 2. CloudFront to reduce origin load 3. Data transfer costs 4. AWS Direct Connect for cost optimization - Design cost-optimized storage solutions 1. EFS cost optimization 2. S3 storage classes and lifecycle policies 3. S3 Intelligent-Tiering 4. EBS volume type selection
Topic 4: Design Secure Architectures	30%	- Determine appropriate data security controls 1. Data backup and recovery 2. Amazon Macie and GuardDuty 3. Data encryption strategies 4. Data classification - Design secure workloads and applications 1. Encryption at rest and in transit 2. AWS WAF and Shield 3. AWS KMS and CloudHSM 4. Security groups and NACLs - Design secure access to AWS resources 1. Multi-factor authentication (MFA) 2. Identity federation 3. AWS Organizations and SCPs 4. IAM policies and roles

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최신 AWS Certified Solutions Architect SAA-C03 무료샘플문제 (Q471-Q476):

질문 # 471
A company wants to migrate its accounting system from an on-premises data center to the AWS Cloud in a single AWS Region. Data security and an immutable audit log are the top priorities. The company must monitor all AWS activities for compliance auditing. The company has enabled AWS CloudTrail but wants to make sure it meets these requirements.
Which actions should a solutions architect take to protect and secure CloudTrail? (Select TWO.)

A. Enable logging of Insights events in CloudTrail.
B. Enable custom logging from the on-premises resources.
C. Install the CloudTrail Processing Library.
D. Enable CloudTrail log file validation.
E. Create an AWS Config rule to monitor whether CloudTrail is configured to use server-side encryption with AWS KMS managed encryption keys (SSE-KMS).

정답：D,E

설명：
CloudTrail log file validation ensures that the log files have not been altered or deleted after delivery, providing an immutable audit log. Using KMS-managed encryption keys for CloudTrail log files adds another layer of data security, and AWS Config can monitor compliance to ensure this security is always enforced.
Reference Extract:
"CloudTrail log file validation provides assurance about the integrity of CloudTrail logs. Using SSE-KMS encryption and monitoring with AWS Config helps secure and audit logs for compliance." Source: AWS Certified Solutions Architect - Official Study Guide, CloudTrail Security section.

질문 # 472
A company is launching a new application that will be hosted on Amazon EC2 instances. A solutions architect needs to design a solution that does not allow public IPv4 access that originates from the internet. However, the solution must allow the EC2 instances to make outbound IPv4 internet requests.

A. Deploy a NAT gateway in public subnets in both Availability Zones. Create and configure a shared route table for the private subnets.
B. Deploy a NAT gateway in public subnets in both Availability Zones. Create and configure one route table for each private subnet.
C. Deploy an internet gateway in public subnets in both Availability Zones. Create and configure a shared route table for the private subnets.
D. Deploy an egress-only internet gateway in public subnets in both Availability Zones. Create and configure one route table for each private subnet.

정답：A

설명：
Why Option C is Correct:
NAT Gateway: Allows private subnets to access the internet for outbound requests while preventing inbound connections.
High Availability: Deploying NAT gateways in both AZs ensures fault tolerance.
Shared Route Table: Simplifies routing configuration for private subnets.
Why Other Options Are Not Ideal:
Option A: Creating separate route tables for each subnet adds unnecessary complexity.
Option B: Internet gateways allow inbound access, violating the requirement to block public IPv4 access.
Option D: Egress-only internet gateways are designed for IPv6, not IPv4.
AWS Reference:
Amazon VPC NAT Gateway:AWS Documentation - NAT Gateway

질문 # 473
A company wants to provide users with access to AWS resources. The company has 1,500 users and manages their access to on-premises resources through Active Directory user groups on the corporate network. However, the company does not want users to have to maintain another identity to access the resources. A solutions architect must manage user access to the AWS resources while preserving access to the on-premises resources.
What should the solutions architect do to meet these requirements?

A. Define cross-account roles with the appropriate policies attached. Map the roles to the Active Directory groups.
B. Create an IAM user for each user in the company. Attach the appropriate policies to each user.
C. Use Amazon Cognito with an Active Directory user pool. Create roles with the appropriate policies attached.
D. Configure Security Assertion Markup Language (SAML) 2.0-based federation. Create roles with the appropriate policies attached. Map the roles to the Active Directory groups.

정답：D

설명：
SAML 2.0-based federation allows organizations to integrate their on-premises Active Directory with AWS, enabling Single Sign-On (SSO) for AWS Management Console and AWS CLI/API access. This lets users continue using their existing AD credentials, removing the need to manage separate identities for AWS and on-premises systems. Mapping roles to AD groups provides granular access control and seamless management.
Reference Extract from AWS Documentation / Study Guide:
"AWS supports SAML 2.0 for federated access, enabling integration with Active Directory or other identity providers to provide single sign-on to AWS resources without creating separate IAM users." Source: AWS Certified Solutions Architect - Official Study Guide, Identity and Access Management section.

질문 # 474
A company is using an Amazon Redshift cluster to run analytics queries for multiple sales teams. In addition to the typical workload, on the last Monday morning of each month, thousands of users run reports. Users have reported slow response times during the monthly surge.
The company must improve query performance without impacting the availability of the Redshift cluster.
Which solution will meet these requirements?

A. Resize the Redshift cluster by using the classic resize capability of Amazon Redshift before every monthly surge. Reduce the cluster to its original size after each surge.
B. Enable Amazon Redshift Spectrum for the Redshift cluster before every monthly surge.
C. Resize the Redshift cluster by using the elastic resize capability of Amazon Redshift before every monthly surge. Reduce the cluster to its original size after each surge.
D. Enable the concurrency scaling feature for the Redshift cluster for specific workload management (WLM) queues.

정답：D

설명：
Concurrency Scaling allows Amazon Redshift to add transient capacity automatically to handle bursts in concurrent queries. This is ideal for scenarios with predictable surge periods, such as end-of-month reporting.
It improves performance without manual resizing or cluster modification and without affecting availability.
Resizing requires manual intervention and potential downtime, and Redshift Spectrum is designed for querying data in S3, not for solving concurrency issues.

질문 # 475
A company wants to migrate 100 GB of historical data from an on-premises location to an Amazon S3 bucket.
The company has a 100 megabits per second (Mbps) internet connection on premises. The company needs to encrypt the data in transit to the S3 bucket. The company will store new data directly in Amazon S3.
Which solution will meet these requirements with the LEAST operational overhead?

A. Use AWS DataSync to migrate the data from the on-premises location to an S3 bucket.
B. Use the s3 sync command in the AWS CLI to move the data directly to an S3 bucket.
C. Use AWS Snowball to move the data to an S3 bucket.
D. Set up an IPsec VPN from the on-premises location to AWS. Use the s3 cp command in the AWS CLI to move the data directly to an S3 bucket.

정답：A

설명：
AWS DataSync is a data transfer service that makes it easy for you to move large amounts of data online between on-premises storage and AWS storage services over the internet or AWS Direct Connect. DataSync automatically encrypts your data in transit using TLS encryption, and verifies data integrity during transfer using checksums. DataSync can transfer data up to 10 times faster than open-source tools, and reduces operational overhead by simplifying and automating tasks such as scheduling, monitoring, and resuming transfers. References: https://aws.amazon.com/datasync/

질문 # 476
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