Amazon AWS-Solutions-Associate questions and answers

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The AWS-Solutions-Architect-Associate, also known as the AWS Certified Solutions Architect - Associate (SAA-C02) certification copyright, is one of the most popular and in-demand IT certifications available today. AWS Certified Solutions Architect - Associate (SAA-C03) certification program validates an individual's ability to design and deploy scalable, highly available, and fault-tolerant systems on Amazon Web Services (AWS) cloud infrastructure.

Understanding useful and specialized parts of AWS Solutions Associate Migration Planning

The accompanying will be dicussed in AMAZON AWS SOLUTIONS ASSOCIATE copyright dumps:

Determining when to decide between users, groups, and roles, deciphering the net effect of a provided access policy, selecting relevant methods to secure a root account, determining ways to secure credentials using characteristics of AWS IAM, determining the safe method for an application to access AWS APIs, and selecting suitable services to generate traceability for access to AWS resources

Determining when and how to utilise security groups and network ACLs, determining a network segregation strategy using public and private subnets, selecting the proper routing mechanism to safely enter AWS service endpoints or internet-based resources from Amazon VPC, and selecting relevant AWS services to defend applications from external threats

Determining the policies that need to be applied to objects based on access patterns, selecting fitting encryption options for data at rest and in transition for AWS services, and choosing proper key management options based on specifications

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Amazon AWS Certified Solutions Architect - Associate (SAA-C03) Sample Questions (Q81-Q86):

NEW QUESTION # 81
An EC2 instance is connected to an ENI (Elastic Network Interface) in one subnet. What happens when you attach an ENI of a different subnet to this EC2 instance?

Answer: C

Explanation:
AWS allows you create an elastic network interface (ENI), attach an ENI to an EC2 instance, detach an
ENI from an EC2 instance and attach this ENI to another EC2 instance. The attributes of a network traffic follow the ENI which is attached to an EC2 instance or detached from an EC2 instance. When you move an ENI from one EC2 instance to another, network traffic is redirected to the new EC2 instance. You can create and attach additional ENIs to an EC2 instance.
Attaching multiple network interfaces (ENIs) to an EC2 instance is useful to:
Create a management network.
Use network and security appliances in your VPC.
Create dual-homed instances with workloads/roles on distinct subnets
Create a low-budget, high-availability solution.
Reference: http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/using-eni.html


NEW QUESTION # 82
Your department creates regular analytics reports from your company's log files All log data is collected in Amazon 53 and processed by daily Amazon Elastic MapReduce (EMR) jobs that generate daily PDF reports and aggregated tables in CSV format for an Amazon Redshift data warehouse.
Your CFO requests that you optimize the cost structure for this system.
Which of the following alternatives will lower costs without compromising average performance of the system or data integrity for the raw data?

Answer: C

Explanation:
Using Reduced Redundancy Storage
Amazon 53 stores objects according to their storage class. It assigns the storage class to an object when it is written to Amazon 53. You can assign objects a specific sto rage class (standard or reduced redundancy) only when you write the objects to an Amazon 53 bucket or when you copy objects that are already stored in Amazon 53. Standard is the default storage class. For information about storage classes, see Object Key and Metadata.
In order to reduce storage costs, you can use reduced redundancy storage for noncritical, reproducible data at lower levels of redundancy than Amazon 53 provides with standard storage. The lower level of redundancy results in less durability and availability, but in many cases, the lower costs can make reduced redundancy storage an acceptable storage solution. For copyrightple, it can be a cost effective solution for sharing media content that is durably stored elsewhere. It can also make sense if you are storing thumbnails and other resized images that can be easily reproduced from an original image.
Reduced redundancy storage is designed to provide 99.99% durability of objects over a given year.
This durability level corresponds to an average annual expected loss of 0.01% of objects. For copyrightple, if you store 10,000 objects using the RRS option, you can, on average, expect to incur an annual loss of a single object per year (0.01% of 10,000 objects).
Note
This annual loss represents an expected average and does not guarantee the loss of less than 0.01% of objects in a given year.
Reduced redundancy storage stores objects on multiple devices across multiple facilities, providing 400 times the durability of a typical disk drive, but it does not replicate objects as many times as Amazon 53 standard storage. In addition, reduced redundancy storage is designed to sustain the loss of data in a single facility.
If an object in reduced redundancy storage has been lost, Amazon 53 will return a 405 error on requests made to that object. Amazon 53 also offers notifications for reduced redundancy storage object loss: you can configure your bucket so that when Amazon 53 detects the loss of an RRS object, a notification will be sent through Amazon Simple Notification Service (Amazon SNS). You can then replace the lost object.
To enable notifications, you can use the Amazon 53 console to set the Notifications property of your bucket.


NEW QUESTION # 83
Can you configure multiple Load Balancers with a single Auto Scaling group?

Answer: D

Explanation:
Yes, you can configure more than one load balancer with an autoscaling group. Auto Scaling integrates with Elastic Load Balancing to enable you to attach one or more load balancers to an existing Auto Scaling group. After you attach the load balancer, it automatically registers the instances in the group and distributes incoming traffic across the instances.
Reference:
http://docs.aws.amazon.com/AutoScaling/latest/DeveloperGuide/AS_Concepts.html


NEW QUESTION # 84
A company's data platform uses an Amazon Aurora MySQL database. The database has multiple read replicas and multiple DB instances across different Availability Zones. Users have recently reported errors from the database that indicate that there are too many connections. The company wants to reduce the failover time by
20% when a read replica is promoted to primary writer.
Which solution will meet this requirement?

Answer: D

Explanation:
Amazon RDS Proxy is a service that provides a fully managed, highly available database proxy for Amazon RDS and Aurora databases. It allows you to pool and share database connections, reduce database load, and improve application scalability and availability.
By using Amazon RDS Proxy in front of your Aurora database, you can achieve the following benefits:
You can reduce the number of connections to your database and avoid errors that indicate that there are too many connections. Amazon RDS Proxy handles the connection management and multiplexing for you, so you can use fewer database connections and resources.
You can reduce the failover time by 20% when a read replica is promoted to primary writer. Amazon RDS Proxy automatically detects failures and routes traffic to the new primary instance without requiring changes to your application code or configuration. According to a benchmark test, using Amazon RDS Proxy reduced the failover time from 66 seconds to 53 seconds, which is a 20% improvement.
You can improve the security and compliance of your database access. Amazon RDS Proxy integrates with AWS Secrets Manager and AWS Identity and Access Management (IAM) to enable secure and granular authentication and authorization for your database connections.


NEW QUESTION # 85
A solutions architect is designing a system to be highly resilient. The system uses Amazon Route 53 with health checks and an Application Load Balancer (ALB). The system is critical and must have the highest availability possible.

Answer: B

Explanation:
Amazon Route 53 health checks can automatically perform DNS failover to healthy endpoints. When integrated with an Application Load Balancer, this provides a highly resilient system architecture that automatically routes traffic to healthy resources across Regions or endpoints.
From AWS Documentation:
"Route 53 DNS failover automatically routes traffic away from unhealthy resources and directs it to healthy resources that you specify in DNS records." (Source: Amazon Route 53 Developer Guide - DNS Failover) Why B is correct:
Route 53 health checks automatically monitor endpoint health and switch to a healthy target when the primary endpoint fails.
The failover process is automatic, with no manual updates to DNS records required.
Combined with ALB's built-in multi-AZ resilience, this provides maximum availability.
Why others are incorrect:
A & C: Require manual DNS updates, which are not automatic and introduce latency.
D: Creating new ALBs during failover increases downtime and is operationally inefficient.
References:
Amazon Route 53 Developer Guide - "Configuring DNS Failover"
AWS Well-Architected Framework - Reliability Pillar


NEW QUESTION # 86
......

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