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AWS Solutions Architect Questions and Answers Part-5

    AWS Solutions Architect Questions and Answers Part-5

    Unlock the secrets of Amazon Web Services (AWS) architecture with our comprehensive Q&A resource. Furthermore, this curated collection of expert answers addresses frequently asked questions on cloud computing, architecture design, security, scalability, and more. As a result, get ready to excel in your AWS Interview Questions certification with this comprehensive collection of questions and answers.

    In addition, boost your AWS Interview Questions and prep with exam  key questions and in-depth answers. Consequently, master AWS concepts, cloud architecture, and best practices to confidently pass your certification.

    Test your skills- AWS Interview Questions

    1. Which of the below mentioned options is not available when an instance is launched by Auto Scaling with EC2 Classic?

                    A. Public IP
                    B. Elastic IP
                    C. Private DNS
                    D. Private IP

     

    Answer: B

    Explanation:
    Auto Scaling supports both EC2 classic and EC2-VPC. When an instance is launched as a part of
    EC2 classic, it will have the public IP and DNS as well as the private IP and DNS.

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    2. You have been given a scope to deploy some AWS infrastructure for a large organization. The requirements are that you will have a lot of EC2 instances but may need to add more when the average utilization of your Amazon EC2 fileet is high and conversely remove them when CPU utilization is low. Which AWS services would be best to use to accomplish this?

                    A. Auto Scaling, Amazon CIoudWatch and AWS Elastic Beanstalk
                    B. Auto Scaling, Amazon CIoudWatch and Elastic Load Balancing.
                    C. Amazon CIoudFront, Amazon CIoudWatch and Elastic Load                                                Balancing.
                    D. AWS Elastic Beanstalk , Amazon CIoudWatch and Elastic Load                                            Balancing.

    Answer: B

    Explanation:
    Auto Scaling enables you to follow the demand curve for your applications closely, reducing the need to manually provision Amazon EC2 capacity in advance. For example, you can set a condition to add new Amazon EC2 instances in increments to the Auto Scaling group when the average utilization of your Amazon EC2 fileet is high; and similarly, you can set a condition to remove instances in the same increments when CPU utilization is low. If you have predictable load changes, you can set a schedule through Auto Scaling to plan your scaling actMties. You can use Amazon CIoudWatch to send alarms to trigger scaling actMties and Elastic Load Balancing to help distribute traffic to your instances within Auto Scaling groups. Auto Scaling enables you to run your Amazon EC2 fileet at optimal utilization.

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    3. You are building infrastructure for a data warehousing solution and an extra request has come through that there will be a lot of business reporting queries running all the time and you are not sure if your current DB instance will be able to handle it. What would be the best solution for this?

                       A. DB Parameter Groups
                       B. Read Replicas
                       C. Multi-AZ DB Instance deployment
                       D. Database Snapshots

    Answer: B

    Explanation:
    Read Replicas make it easy to take advantage of MySQL’s built-in replication functionality to elastically scale out beyond the capacity constraints of a single DB Instance for read-heavy database workloads. There are a variety of scenarios where deploying one or more Read Replicas for a given source DB Instance may make sense. Common reasons for deploying a Read Replica include:
    Scaling beyond the compute or I/O capacity of a single DB Instance for read-heavy database workloads. This excess read traffic can be directed to one or more Read Replicas. Serving read traffic while the source DB Instance is unavailable. If your source DB Instance cannot take I/O requests (e.g. due to I/O suspension for backups or scheduled maintenance), you can direct read traffic to your Read Replica(s). For this use case, keep in mind that the data on the Read Replica may be “stale” since the source DB Instance is unavailable. Business reporting or data warehousing scenarios; you may want business reporting queries to run against a Read Replica, rather than your primary, production DB Instance.

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    4. In DynamoDB, could you use IAM to grant access to Amazon DynamoDB resources and API actions?

                    A. In DynamoDB there is no need to grant access
                    B. Depended to the type of access
                    C. No
                    D. Yes

    Answer: D

    Explanation:
    Amazon DynamoDB integrates with AWS Identity and Access Management (IAM). You can use AWS IAM to
    grant access to Amazon DynamoDB resources and API actions. To do this, you first write an AWS IAM
    policy, which is a document that explicitly lists the permissions you want to grant. You then attach that policy
    to an AWS IAM user or role.

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    5. Much of your company’s data does not need to be accessed often, and can take several hours for retrieval time, so it’s stored on Amazon Glacier. However someone within your organization has expressed concerns that his data is more sensitive than  the other data, and is wondering whether the high level of encryption that he knows is on S3 is also used on the much cheaper Glacier service. Which of the following statements would be most applicable in regards to this concern?

                       A. There is no encryption on Amazon Glacier, that’s why it is cheaper.
                       B. Amazon Glacier automatically encrypts the data using AES-128 a lesser                               encryption method than Amazon S3 but you can change it to AES-256 if                               you are willing to pay more.
                       C. Amazon Glacier automatically encrypts the data using AES-256, the same                             as Amazon S3.
                       D. Amazon Glacier automatically encrypts the data using AES-128 a lesser                               encryption method than Amazon S3.

    Answer: C

    Explanation:
    Like Amazon S3, the Amazon Glacier service provides low-cost, secure, and durable storage. But where S3 is designed for rapid retrieval, Glacier is meant to be used as an archival service for data that is not accessed often, and for which retrieval times of several hours are suitable.
    Amazon Glacier automatically encrypts the data using AES-256 and stores it durably in an immutable form. Amazon Glacier is designed to provide average annual durability of 99.999999999% for an archive. It stores each archive in multiple facilities and multiple devices. Unlike traditional systems which can require laborious data verification and manual repair, Glacier performs regular, systematic data integrity checks, and is built to be automatically self-healing.

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    AWS Architect Questions Questions and Answers

    Looking to ace your AWS Interview Questions certification? This guide covers essential questions and answers to help you prepare effectively. Whether you’re studying cloud architecture, mastering AWS services, or exploring security and scalability concepts, these Q&As will strengthen your knowledge and boost your confidence.

    These questions are tailored for both beginners and experienced professionals preparing for the AWS Interview Questions Certified Solutions Architect – Associate and Professional exams.

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