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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Design Cost-Optimized Architectures | 20% | - Cost-effective resource selection
|
| Topic 2: Design Secure Architectures | 30% | - Secure workloads and applications
|
| Topic 3: Design High-Performing Architectures | 24% | - Performance scaling
|
| Topic 4: Design Resilient Architectures | 26% | - Fault tolerance and recovery
|
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NEW QUESTION # 200
A pharmaceutical company is developing a new drug. The volume of data that the company generates has grown exponentially over the past few months. The company's researchers regularly require a subset of the entire dataset to be immediately available with minimal lag. However the entire dataset does not need to be accessed on a daily basis. All the data currently resides in on-premises storage arrays, and the company wants to reduce ongoing capital expenses.
Which storage solution should a solutions architect recommend to meet these requirements?
Answer: D
Explanation:
AWS Storage Gateway is a hybrid cloud storage service that allows you to seamlessly integrate your on-premises applications with AWS cloud storage. Volume Gateway is a type of Storage Gateway that presents cloud-backed iSCSI block storage volumes to your on-premises applications. Volume Gateway operates in either cache mode or stored mode. In cache mode, your primary data is stored in Amazon S3, while retaining your frequently accessed data locally in the cache for low latency access. In stored mode, your primary data is stored locally and your entire dataset is available for low latency access on premises while also asynchronously getting backed up to Amazon S3.
For the pharmaceutical company's use case, cache mode is the most suitable option, as it meets the following requirements:
It reduces the need to scale the on-premises storage infrastructure, as most of the data is stored in Amazon S3, which is scalable, durable, and cost-effective.
It provides low latency access to the subset of the data that the researchers regularly require, as it is cached locally in the Storage Gateway appliance.
It does not require the entire dataset to be accessed on a daily basis, as it is stored in Amazon S3 and can be retrieved on demand.
It offers flexible data protection and recovery options, as it allows taking point-in-time copies of the volumes using AWS Backup, which are stored in AWS as Amazon EBS snapshots.
Therefore, the solutions architect should recommend deploying an AWS Storage Gateway volume gateway with cached volumes with an Amazon S3 bucket as the target storage and migrating the data to the Storage Gateway appliance.
References:
Volume Gateway | Amazon Web Services
How Volume Gateway works (architecture) - AWS Storage Gateway
AWS Storage Volume Gateway - Cached volumes - Stack Overflow
NEW QUESTION # 201
[Design Secure Architectures]
A company manages AWS accounts in AWS Organizations. AWS IAM Identity Center (AWS Single Sign-On) and AWS Control Tower are configured for the accounts. The company wants to manage multiple user permissions across all the accounts.
The permissions will be used by multiple IAM users and must be split between the developer and administrator teams. Each team requires different permissions. The company wants a solution that includes new users that are hired on both teams.
Which solution will meet these requirements with the LEAST operational overhead?
Answer: B
Explanation:
This solution meets the requirements with the least operational overhead because it leverages the features of IAM Identity Center and AWS Control Tower to centrally manage multiple user permissions across all the accounts. By creating new groups and permission sets, the company can assign fine-grained permissions to the developer and administrator teams based on their roles and responsibilities. The permission sets are applied to the groups at the organization level, so they are automatically inherited by all the accounts in the organization. When new users are hired, the company only needs to add them to the appropriate group in IAM Identity Center, and they will automatically get the permissions assigned to that group. This simplifies the user management and reduces the manual effort of assigning permissions to each user individually.
Reference:
Managing access to AWS accounts and applications
Managing permissions sets
Managing groups
NEW QUESTION # 202
A company stores data in an on-premises Oracle relational database. The company needs to make the data available in Amazon Aurora PostgreSQL for analysis The company uses an AWS Site-to-Site VPN connection to connect its on-premises network to AWS.
The company must capture the changes that occur to the source database during the migration to Aurora PostgreSQL.
Which solution will meet these requirements?
Answer: A
Explanation:
For the migration of data from an on-premises Oracle database to Amazon Aurora PostgreSQL, this solution effectively handles schema conversion, data migration, and ongoing data replication.
AWS Schema Conversion Tool (SCT): SCT is used to convert the Oracle database schema to a format compatible with Aurora PostgreSQL. This tool automatically converts the database schema and code objects, like stored procedures, to the target database engine.
AWS Database Migration Service (DMS): DMS is employed to perform the data migration. It supports both full-load migrations (for initial data transfer) and continuous replication of ongoing changes (Change Data Capture, or CDC). This ensures that any updates to the Oracle database during the migration are captured and applied to the Aurora PostgreSQL database, minimizing downtime.
Why Not Other Options?:
Option A (SCT + DMS full-load only): This option does not capture ongoing changes, which is crucial for a live database migration to ensure data consistency.
Option B (DataSync + S3): AWS DataSync is more suited for file transfers rather than database migrations, and it doesn't support ongoing change replication.
Option D (Snowball + S3): Snowball is typically used for large-scale data transfers that don't require continuous synchronization, making it less suitable for this scenario where ongoing changes must be captured.
AWS Reference:
AWS Schema Conversion Tool - Guidance on using SCT for database schema conversions.
AWS Database Migration Service - Detailed documentation on using DMS for data migrations and ongoing replication.
NEW QUESTION # 203
A company has several web servers that need to frequently access a common Amazon RDS MySQL Multi-AZ DB instance The company wants a secure method for the web servers to connect to the database while meeting a security requirement to rotate user credentials frequently.
Which solution meets these requirements?
Answer: C
Explanation:
D.
Store the database user credentials in files encrypted with AWS Key Management Service (AWS KMS) on the web server file system. The web server should be able to decrypt the files and access the database Explanation:
AWS Secrets Manager helps you protect secrets needed to access your applications, services, and IT resources. The service enables you to easily rotate, manage, and retrieve database credentials, API keys, and other secrets throughout their lifecycle.
https://docs.aws.amazon.com/secretsmanager/latest/userguide/intro.html
NEW QUESTION # 204
A global marketing company has applications that run in the ap-southeast-2 Region and the eu-west-1 Region.
Applications that run in a VPC in eu-west-1 need to communicate securely with databases that run in a VPC in ap-southeast-2.
Which network design will meet these requirements?
Answer: B
Explanation:
Explanation
"You cannot reference the security group of a peer VPC that's in a different Region. Instead, use the CIDR block of the peer VPC." https://docs.aws.amazon.com/vpc/latest/peering/vpc-peering-security-groups.html
NEW QUESTION # 205
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