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The SAA-C03 Certification Exam is designed for IT professionals who are responsible for designing and deploying scalable, highly available, and fault-tolerant systems on AWS. Candidates for this certification should have a solid understanding of AWS services, architecture, and best practices. They should also have experience with designing and deploying AWS solutions using AWS services such as EC2, S3, RDS, and VPC.
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Amazon SAA-C03 Certification Exam is a highly sought-after certification that validates the skills and knowledge of professionals who work with Amazon Web Services (AWS). It is designed for individuals who have experience in designing and deploying scalable, highly available, and fault-tolerant systems on AWS. AWS Certified Solutions Architect - Associate certification exam tests the candidate's ability to architect and deploy secure and robust applications on AWS, and it covers a wide range of topics, including AWS core services, security, database technologies, and networking.
NEW QUESTION # 29
A company wants to migrate an Oracle database to AWS. The database consists of a single table that contains millions of geographic information systems (GIS) images that are high resolution and are identified by a geographic code. When a natural disaster occurs, tens of thousands of images get updated every few minutes. Each geographic code has a single image or row that is associated with it. The company wants a solution that is highly available and scalable during such events. Which solution will meet this requirement?
Answer: C
Explanation:
The most resilient and scalable architecture for handling millions of high-resolution images with frequent updates is to store the binary images in Amazon S3 and store their metadata or reference (geographic code and S3 URL) in Amazon DynamoDB.
"Store large objects like images in Amazon S3 and use Amazon DynamoDB to store metadata and references. This design pattern is scalable, highly available, and cost-effective." Why B is correct:
Amazon S3 is designed for storing large volumes of binary data (images).
DynamoDB provides low-latency reads/writes using the geographic code as the partition key.
Highly available, serverless, and auto-scaling, suitable for disaster scenarios with bursts of activity.
Reduces pressure on the database layer by separating metadata from image storage.
Why the others are incorrect:
Option A and D: Storing images directly in RDS is expensive, unscalable, and not optimal for binary storage.
Option C: DynamoDB is suitable, but storing actual binary image data in DynamoDB is not best practice due to item size limits (400 KB) and performance concerns.
NEW QUESTION # 30
A company is deploying a new application to a VPC on existing Amazon EC2 instances. The application has a presentation tier that uses an Auto Scaling group of EC2 instances. The application also has a database tier that uses an Amazon RDS Multi-AZ database.
The VPC has two public subnets that are split between two Availability Zones. A solutions architect adds one private subnet to each Availability Zone for the RDS database. The solutions architect wants to restrict network access to the RDS database to block access from EC2 instances that do not host the new application.
Which solution will meet this requirement?
Answer: B
Explanation:
Correct Approach:
AWS Security Groups:
Security groups operate at the instance level, making them the ideal tool for controlling access to specific resources such as an Amazon RDS database.
By default, security groups deny all incoming traffic. You can allow access by explicitly specifying another security group.
Associating an RDS database security group with the EC2 instances' security group ensures only the specified EC2 instances can access the RDS database.
Incorrect Options Analysis:
Option A: Using CIDR blocks for IP-based access is less secure and more difficult to manage. Additionally, Auto Scaling groups dynamically allocate IP addresses, making this approach impractical.
Option B: Network ACLs (NACLs) operate at the subnet level and are stateless. While NACLs can deny or allow traffic, they are not suited to application-specific access control.
Option D: Similar to Option B, using a NACL with CIDR ranges for EC2 IPs is difficult to manage and not application-specific.
References:
Amazon RDS Security Groups
Security Group Best Practices
Differences Between Security Groups and NACLs
NEW QUESTION # 31
A company has offices in multiple countries. The company has a separate AWS account for each office. The company uses an organization in AWS Organizations to manage all the accounts.
Each office has an allocated budget that is set by company leadership.
The company needs a solution to monitor account costs and automatically review service consumption when an account reaches a spending threshold. The solution must not immediately disable resources when an account reaches a spending threshold. The solution must detect budget overruns as soon as possible.
Which solution will meet these requirements?
Answer: A
Explanation:
AWS Budgets lets the company set per-account budget thresholds and configure budget actions that require manual approval, which fits the requirement to automatically trigger a review workflow without immediately disabling resources. AWS Budgets also supports alerting on actual or forecasted spend, helping detect overruns as early as the service allows. AWS documentation notes that budget data is updated up to three times per day, which is the best fit among these options for near-real-time budget monitoring in an organization.
NEW QUESTION # 32
A corporation has recruited a new cloud engineer who should not have access to the CompanyConfidential Amazon S3 bucket. The cloud engineer must have read and write permissions on an S3 bucket named AdminTools.
Which IAM policy will satisfy these criteria?
Answer: C
Explanation:
Explanation
https://docs.amazonaws.cn/en_us/IAM/latest/UserGuide/reference_policies_examples_s3_rw-bucket.html The policy is separated into two parts because the ListBucket action requires permissions on the bucket while the other actions require permissions on the objects in the bucket. You must use two different Amazon Resource Names (ARNs) to specify bucket-level and object-level permissions. The first Resource element specifies arn:aws:s3:::AdminTools for the ListBucket action so that applications can list all objects in the AdminTools bucket.
NEW QUESTION # 33
A solutions architect has designed an application that gives users the ability to access images that are stored in an Amazon S3 bucket. The application uses an Amazon EC2 instance hosted in a private VPC that has a VPC ID of vpc-11aabb22. The solutions architect enabled the Block Public Access feature on the S3 bucket. The bucket is hosted in the us-west-2 Region of account 123456789012.
The solutions architect needs to ensure that only resources within the VPC that hosts the EC2 instance can access the S3 bucket.
Which solution will meet this requirement?
Answer: D
Explanation:
Amazon S3 bucket policies support condition keys that restrict access according to the originating VPC when requests use an S3 VPC endpoint.
Option A is correct because a Deny statement combined with the StringNotEquals operator and the aws:
SourceVpc condition explicitly denies requests that do not originate from the specified VPC.
This provides stronger enforcement than an Allow statement alone because explicit denies override otherwise applicable IAM or resource-based permissions.
For this policy to work as intended, the VPC must have an appropriate Amazon S3 VPC endpoint and the application must access Amazon S3 through that endpoint.
Option B references an EC2 VPC ARN rather than the S3 bucket resource. Option C reverses the intended access restriction. Option D restricts requests according to AWS account identity rather than VPC origin.
AWS Reference: Amazon S3 Gateway Endpoint Bucket Policies .
NEW QUESTION # 34
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