Certificates

필기 문제에 자주 출제되는! 그런데 잘 안외워지고 헷갈리는...개념을 정리해보았습니다. ✅ XP(eXtreme Programming)수시로 발생하는 고객의 요구사항에 유연하게 대응하기 위하여 고객의 참여와 개발 과정의 반복을 극대화하여 개발 생산성을 향상시키는 방법📍목적짧고 반복적인 개발주기, 단순한 설계, 고객의 적극적인 참여를 통한 빠른 SW 개발📍핵심 가치1. 의사소통(Communication)2. 단순성(Simplicity)3. 용기(Couage)4. 존중(Respect)5. 피드백(Feedback)❌ 정형화 ❌  ✅ 화이트박스 테스트 vs 블랙박스 테스트📍화이트박스 테스트모듈의 원시 코드를 오픈시킨 상태에서 원시 코드의 논리적 모든 경로를 테스트하고 작동을 직접 관찰하며 테스트 케이스를 설..

✅ 문제 181A company has a legacy data processing application that runs on Amazon EC2 instances. Data is processed sequentially, but the order of results does not matter. The application uses a monolithic architecture. The only way that the company can scale the application to meet increased demand is to increase the size of the instances. The company’s developers have decided to rewrite the applic..

✅ 문제 161A company has a small Python application that processes JSON documents and outputs the results to an on-premises SQL database. The application runs thousands of times each day. The company wants to move the application to the AWS Cloud. The company needs a highly available solution that maximizes scalability and minimizes operational overhead. Which solution will meet these requirements?..

✅ 문제 141​A company runs a web-based portal that provides users with global breaking news, local alerts, and weather updates. The portal delivers each user a personalized view by using mixture of static and dynamic content. Content is served over HTTPS through an API server running on an Amazon EC2 instance behind an Application Load Balancer (ALB). The company wants the portal to provide this co..

✅ 문제 121A company is running an online transaction processing (OLTP) workload on AWS. This workload uses an unencrypted Amazon RDS DB instance in a Multi-AZ deployment. Daily database snapshots are taken from this instance.What should a solutions architect do to ensure the database and snapshots are always encrypted moving forward?​회사는 AWS에서 OLTP(온라인 트랜잭션 처리) 워크로드를 실행하고 있습니다. 이 워크로드는 다중 AZ 배포에서 ..

✅ 문제 101A solutions architect is designing a VPC with public and private subnets. The VPC and subnets use IPv4 CIDR blocks. There is one public subnet and one private subnet in each of three Availability Zones (AZs) for high availability. An internet gateway is used to provide internet access for the public subnets. The private subnets require access to the internet to allow Amazon EC2 instances..

✅ 문제 81A solutions architect is designing the cloud architecture for a new application being deployed on AWS. The process should run in parallel while adding and removing application nodes as needed based on the number of jobs to be processed. The processor application is stateless. The solutions architect must ensure that the application is loosely coupled and the job items are durably stored.W..

✅ 문제 61A company is developing a two-tier web application on AWS. The company's developers have deployed the application on an Amazon EC2 instance that connects directly to a backend Amazon RDS database. The company must not hardcode database credentials in the application. The company must also implement a solution to automatically rotate the database credentials on a regular basis.Which soluti..