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To earn the Amazon SAA-C03 certification, candidates need to pass a multiple-choice exam that covers a wide range of topics related to AWS services, architecture patterns, and best practices. SAA-C03 exam also tests the candidate's ability to design and deploy secure and reliable applications on AWS while considering cost optimization and performance efficiency. AWS Certified Solutions Architect - Associate certification is intended for solutions architects, developers, and IT professionals who are responsible for designing and deploying applications on AWS.

To prepare for the SAA-C03 Exam, candidates can take training courses, attend workshops, and practice using AWS services through hands-on labs and exercises. They can also review AWS documentation and whitepapers, participate in online forums, and join study groups to enhance their knowledge and skills. Passing the SAA-C03 exam requires dedication, effort, and a comprehensive understanding of AWS services and architecture principles.

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Amazon SAA-C03 (Amazon AWS Certified Solutions Architect - Associate (SAA-C03)) certification exam is a highly sought-after credential for IT professionals who want to demonstrate their expertise in designing and deploying scalable, fault-tolerant, and highly available systems on Amazon Web Services (AWS) platform. AWS Certified Solutions Architect - Associate certification exam is designed to test candidates' knowledge of AWS services, architectural principles, and best practices for building secure and reliable applications on the cloud.

Amazon AWS Certified Solutions Architect - Associate Sample Questions (Q111-Q116):

NEW QUESTION # 111
A company hosts a serverless application on AWS. The application uses Amazon API Gateway, AWS Lambda, and an Amazon RDS for PostgreSQL database. The company notices an increase in application errors that result from database connection timeouts during times Of peak traffic or unpredictable traffic. The company needs a solution that reduces the application failures with the least amount of change to the code.
What should a solutions architect do to meet these requirements?

  • A. Resize the RDS DB instance class to accept more connections.
  • B. Reduce the Lambda concurrency rate.
  • C. Migrate the database to Amazon DynamoDB with on-demand scaling.
  • D. Enable RDS Proxy on the RDS DB instance.

Answer: D

Explanation:
Explanation
Using RDS Proxy, you can handle unpredictable surges in database traffic. Otherwise, these surges might cause issues due to oversubscribing connections or creating new connections at a fast rate. RDS Proxy establishes a database connection pool and reuses connections in this pool. This approach avoids the memory and CPU overhead of opening a new database connection each time. To protect the database against oversubscription, you can control the number of database connections that are created.
https://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/rds-proxy.html


NEW QUESTION # 112
A company has a workload in an AWS Region. Customers connect to and access the workload by using an Amazon API Gateway REST API. The company uses Amazon Route 53 as its DNS provider. The company wants to provide individual and secure URLs for all customers.
Which combination of steps will meet these requirements with the MOST operational efficiency? (Select THREE.)

  • A. Create hosted zones for each customer as required in Route 53. Create zone records that point to the API Gateway endpoint.
  • B. Create multiple API endpoints for each customer in API Gateway.
  • C. Create a custom domain name in API Gateway for the REST API. Import the certificate from AWS Certificate Manager (ACM).
  • D. Request a wildcard certificate that matches the custom domain name in AWS Certificate Manager (ACM) in the same Region.
  • E. Register the required domain in a registrar. Create a wildcard custom domain name in a Route 53 hosted zone and record in the zone that points to the API Gateway endpoint.
  • F. Request a wildcard certificate that matches the domains in AWS Certificate Manager (ACM) in a different Region.

Answer: C,D,E

Explanation:
To provide individual and secure URLs for all customers using an API Gateway REST API, you need to do the following steps:
A:Register the required domain in a registrar. Create a wildcard custom domain name in a Route 53 hosted zone and record in the zone that points to the API Gateway endpoint. This step will allow you to use a custom domain name for your API instead of the default one generated by API Gateway. A wildcard custom domain name means that you can use any subdomain under your domain name (such as customer1.example.com or customer2.example.com) to access your API. You need to register your domain name with a registrar (such as Route 53 or a third-party registrar) and create a hosted zone in Route 53 for your domain name. You also need to create a record in the hosted zone that points to the API Gateway endpoint using an alias record.
D:Request a wildcard certificate that matches the custom domain name in AWS Certificate Manager (ACM) in the same Region. This step will allow you to secure your API with HTTPS using a certificate issued by ACM. A wildcard certificate means that it can match any subdomain under your domain name (such as *.
example.com). You need to request or import a certificate in ACM that matches your custom domain name and verify that you own the domain name. You also need to request the certificate in the same Region as your API.
F:Create a custom domain name in API Gateway for the REST API. Import the certificate from AWS Certificate Manager (ACM). This step will allow you to associate your custom domain name with your API and use the certificate fromACM to enable HTTPS. You need to create a custom domain name in API Gateway for the REST API and specify the certificate ARN from ACM. You also need to create a base path mapping that maps a path from your custom domain name to your API stage.
References: https://docs.aws.amazon.com/apigateway/latest/developerguide/how-to-custom-domains.
htmlhttps://docs.aws.amazon.com/acm/latest/userguide/gs-acm-request.html


NEW QUESTION # 113
A financial company needs to handle highly sensitive data The company will store the data in an Amazon S3 bucket The company needs to ensure that the data is encrypted in transit and at rest The company must manage the encryption keys outside the AWS Cloud Which solution will meet these requirements?

  • A. Encrypt the data at the company's data center before storing the data in the S3 bucket
  • B. Encrypt the data in the S3 bucket with server-side encryption (SSE) that uses an AWS Key Management Service (AWS KMS) AWS managed key
  • C. Encrypt the data in the S3 bucket with server-side encryption (SSE) that uses an AWS Key Management Service (AWS KMS) customer managed key
  • D. Encrypt the data in the S3 bucket with the default server-side encryption (SSE)

Answer: A

Explanation:
This option is the only solution that meets the requirements because it allows the company to encrypt the data with its own encryption keys and tools outside the AWS Cloud. By encrypting the data at the company's data center before storing the data in the S3 bucket, the company can ensure that the data is encrypted in transit and at rest, and that the company has full control over the encryption keys and processes. This option also avoids the need to use any AWS encryption services or features, which may not be compatible with the company's security policies or compliance standards.
A: Encrypt the data in the S3 bucket with server-side encryption (SSE) that uses an AWS Key Management Service (AWS KMS) customer managed key. This option does not meet the requirements because it does not allow the company to manage the encryption keys outside the AWS Cloud. Although the company can create and use its own customer managed key in AWS KMS, the key is still stored and managed by AWS KMS, which is a service within the AWS Cloud. Moreover, the company still needs to use the AWS encryption features and APIs to encrypt and decrypt the data in the S3 bucket, which may not be compatible with the company's security policies or compliance standards.
B: Encrypt the data in the S3 bucket with server-side encryption (SSE) that uses an AWS Key Management Service (AWS KMS) AWS managed key. This option does not meet the requirements because it does not allow the company to manage the encryption keys outside the AWS Cloud. In this option, the company uses the default AWS managed key in AWS KMS, which is created and managed by AWS on behalf of the company. The company has no control over the key rotation, deletion, or recovery policies. Moreover, the company still needs to use the AWS encryption features and APIs to encrypt and decrypt the data in the S3 bucket, which may not be compatible with the company's security policies or compliance standards.
C: Encrypt the data in the S3 bucket with the default server-side encryption (SSE). This option does not meet the requirements because it does not allow the company to manage the encryption keys outside the AWS Cloud. In this option, the company uses the default server-side encryption with Amazon S3 managed keys (SSE-S3), which is applied to every bucket in Amazon S3. The company has no visibility or control over the encryption keys, which are managed by Amazon S3. Moreover, the company still needs to use the AWS encryption features and APIs to encrypt and decrypt the data in the S3 bucket, which may not be compatible with the company's security policies or compliance standards.
References:
1 Protecting data with encryption - Amazon Simple Storage Service
2 Protecting data with server-side encryption - Amazon Simple Storage Service
3 Protecting data by using client-side encryption - Amazon Simple Storage Service
4 AWS Key Management Service Concepts - AWS Key Management Service


NEW QUESTION # 114
A company is designing a web application on AWS The application will use a VPN connection between the company's existing data centers and the company's VPCs. The company uses Amazon Route 53 as its DNS service. The application must use private DNS records to communicate with the on-premises services from a VPC. Which solution will meet these requirements in the MOST secure manner?

  • A. Create a Route 53 Resolver inbound endpoint. Create a resolver rule. Associate the resolver rule with the VPC.
  • B. Create a Route 53 Resolver outbound endpoint. Create a resolver rule. Associate the resolver rule with the VPC
  • C. Create a Route 53 private hosted zone. Associate the private hosted zone with the VPC.
  • D. Create a Route 53 public hosted zone. Create a record for each service to allow service communication.

Answer: B

Explanation:
To meet the requirements of the web application in the most secure manner, the company should create a Route 53 Resolver outbound endpoint, create a resolver rule, and associate the resolver rule with the VPC.
This solution will allow the application to use private DNS records to communicate with the on-premises services from a VPC. Route 53 Resolver is a service that enables DNS resolution between on-premises networks and AWS VPCs. An outbound endpoint is a set of IP addresses that Resolver uses to forward DNS queries from a VPC to resolvers on an on-premises network. A resolver rule is a rule that specifies the domain names for which Resolver forwards DNS queries to the IP addresses that you specify in the rule. By creating an outbound endpoint and a resolver rule, and associating them with the VPC, the company can securely resolve DNS queries for the on-premises services using private DNS records12.
The other options are not correct because they do not meet the requirements or are not secure. Creating a Route 53 Resolver inbound endpoint, creating a resolver rule, and associating the resolver rule with the VPC is not correct because this solution will allow DNS queries from on-premises networks to access resources in a VPC, not vice versa. An inbound endpoint is a set of IP addresses that Resolver uses to receive DNS queries from resolvers on an on-premises network1. Creating a Route 53 private hosted zone and associating it with the VPC is not correct because this solution will only allow DNS resolution for resources within the VPC or other VPCs that are associated with the same hosted zone. A private hosted zone is a container for DNS records that are only accessible from one or more VPCs3. Creating a Route 53 public hosted zone and creating a record for each service to allow service communication is not correct because this solution will expose the on-premises services to the public internet, which is not secure. A public hosted zone is a container for DNS records that are accessible from anywhere on the internet3.
References:
Resolving DNS queries between VPCs and your network - Amazon Route 53
Working with rules - Amazon Route 53
Working with private hosted zones - Amazon Route 53


NEW QUESTION # 115
A company stores a large dataset for an online advertising business in an Amazon RDS for MySQL DB instance. The company wants to run business reporting queries on the data without affecting write operations to the DB instance.
Which solution will meet these requirements?

  • A. Scale up the DB instance to a larger instance type to handle write operations and reporting queries.
  • B. Configure Amazon CloudWatch to monitor the DB instance. Deploy standby DB instances when a latency metric threshold is exceeded.
  • C. Scale out the DB instance horizontally by placing the instance behind an Elastic Load Balancing (ELB) load balancer.
  • D. Deploy RDS read replicas to process the business reporting queries.

Answer: D

Explanation:
Amazon RDS for MySQL supports read replicas that offload read-intensive workloads such as reporting, leaving the primary instance free for write operations.
"You can use Amazon RDS read replicas to elastically scale out beyond the capacity constraints of a single DB instance for read-heavy database workloads."
- Working with Read Replicas
This is the recommended approach for minimizing performance impact on the primary DB instance.


NEW QUESTION # 116
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