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AWS Solutions Architect Questions and Answers Part-58 Get ready to excel in your AWS Solutions Architect certification with this comprehensive collection of questions and answers. Covering critical topics like cloud architecture design, AWS services, security best practices, and cost optimization, these Q&A sessions will help you gain a deep understanding of AWS concepts and prepare effectively for the exam. Whether you are a beginner or an experienced professional, these answers provide clear explanations and practical examples to solidify your AWS knowledge and boost your confidence. 1.What does the “Server Side Encryption” option on Amazon S3 provide? A.It provides an encrypted virtual disk in the Cloud. B.It doesn’t exist for Amazon S3, but only for Amazon EC2. C.It encrypts the files that you send to Amazon S3, on the server side. D.It allows to upload files using an SSL endpoint, for a secure transfer. Answer:C It encrypts the files that you send to Amazon S3, on the server side. Explanation: Server-Side Encryption (SSE) in Amazon S3 encrypts your data at rest after it is uploaded to the S3 bucket. Encryption and decryption happen automatically without any additional effort from the user. Options include: SSE-S3: Managed by Amazon S3. SSE-KMS: Using AWS Key Management Service (KMS). SSE-C: Using customer-provided encryption keys   Click to know the Answer Collapse 2.What is a Security Group? A.None of these. B.A list of users that can access Amazon EC2 instances. C.An Access Control List (ACL) for AWS resources. D.A firewall for inbound traffic, built-in around every Amazon EC2 instance.   Answer:D A firewall for inbound traffic, built-in around every Amazon EC2 instance. Explanation: A Security Group is a virtual firewall that controls both inbound and outbound traffic for Amazon EC2 instances. It allows or denies traffic based on defined rules, such as IP addresses, protocols, and ports. Security groups are stateful, meaning that if a request is allowed in, the response is automatically allowed out.   Click to know the Answer Collapse 3.Is there a limit to the number of groups you can have? A.Yes for all users except root B.No C.Yes unless special permission granted D.Yes for all users Answer:D Yes for all users Explanation: AWS IAM (Identity and Access Management) allows a maximum of 300 groups per AWS account by default. This limit applies to all users, including the root user. If you need more groups, you must request a limit increase through AWS Support.   Click to know the Answer Collapse 4.A customer needs to capture all client connection information from their load balancer every five minutes. The company wants to use this data for analyzing traffic patterns and troubleshooting their applications. Which of the following options meets the customer requirements? A.Enable AWS CloudTrail for the load balancer. B.Enable access logs on the load balancer. C.Install the Amazon CloudWatch Logs agent on the load balancer. D.Enable Amazon CloudWatch metrics on the load balancer. Answer:B Enable access logs on the load balancer. Explanation: Access logs capture detailed information about requests sent to the load balancer, including the client’s IP address, request path, response status, and more. These logs can be enabled for Application Load Balancer (ALB), Network Load Balancer (NLB), and Classic Load Balancer (CLB). The logs are stored in Amazon S3 and can be analyzed to monitor traffic patterns and troubleshoot application issues. CloudTrail and CloudWatch do not capture this level of detailed connection information. Click to know the Answer Collapse 5.When using consolidated billing there are two account types. What are they? A.Paying account and Linked account B.Parent account and Child account C.Main account and Sub account. D.Main account and Secondary account.   Answer:A Paying account and Linked account Explanation: Consolidated Billing in AWS allows multiple accounts to be grouped under one Paying Account (also known as the Master Account), which handles the billing for all linked accounts. Linked Accounts are the individual accounts that share the benefits of consolidated billing, such as cost savings and volume discounts. The Paying Account receives a single bill that includes usage across all linked accounts. Click to know the Answer Collapse For  more AWS Question and Answer Click here  For  more information Visit Cloud Institution 

AWS Solutions Architect Questions and Answers Part-63 Get ready to excel in your AWS Solutions Architect certification with this comprehensive collection of questions and answers. Covering critical topics like cloud architecture design, AWS services, security best practices, and cost optimization, these Q&A sessions will help you gain a deep understanding of AWS concepts and prepare effectively for the exam. Whether you are a beginner or an experienced professional, these answers provide clear explanations and practical examples to solidify your AWS knowledge and boost your confidence. 1.How can an EBS volume that is currently attached to an EC2 instance be migrated from one Availability Zone to another? A.Detach the volume and attach it to another EC2 instance in the other AZ. B.Simply create a new volume in the other AZ and specify the original volume as the source. C.Create a snapshot of the volume, and create a new volume from the snapshot in the other AZ. D.Detach the volume, then use the ec2-migrate-voiume command to move it to another AZ. Answer:C Create a snapshot of the volume, and create a new volume from the snapshot in the other AZ. Explanation: Amazon EBS volumes are Availability Zone (AZ) specific and cannot be directly moved between AZs. To migrate an EBS volume to another AZ: Create a snapshot of the original volume. Create a new volume from that snapshot in the desired AZ. Attach the new volume to an instance in the target AZ. Click to know the Answer Collapse 2.If you’re unable to connect via SSH to your EC2 instance, which of the following should you check and possibly correct to restore connectivity? A.Adjust Security Group to permit egress traffic over TCP port 443 from your IP. B.Configure the IAM role to permit changes to security group settings. C.Modify the instance security group to allow ingress of ICMP packets from your IP. D.Adjust the instance’s Security Group to permit ingress traffic over port 22 from your IP. E.Apply the most recently released Operating System security patches. Answer:D Adjust the instance’s Security Group to permit ingress traffic over port 22 from your IP. Click to know the Answer Collapse 3.What are characteristics of Amazon S3? Choose 2 answers A.S3 allows you to store objects of virtually unlimited size. B.S3 offers Provisioned IOPS. C.S3 allows you to store unlimited amounts of data. D.S3 should be used to host a relational database. E.Objects are directly accessible via a URL. S3 allows you to store unlimited amounts of data. Objects are directly accessible via a URL Click to know the Answer Collapse 4.Select the correct set of steps for exposing the snapshot only to specific AWS accounts A.Select public for all the accounts and check mark those accounts with whom you want to expose the snapshots and click save. B.SelectPrivate, enter the IDs of those AWS accounts, and clickSave. C.SelectPublic, enter the IDs of those AWS accounts, and clickSave. D.SelectPublic, mark the IDs of those AWS accounts as private, and clickSave. Answer:B Select Private, enter the IDs of those AWS accounts, and click Save. Click to know the Answer Collapse 5.A customer is leveraging Amazon Simple Storage Service in eu-west-1 to store static content for a web-based property. The customer is storing objects using the Standard Storage class. Where are the customers objects replicated? A.A single facility in eu-west-1 and a single facility in eu-central-1 B.A single facility in eu-west-1 and a single facility in us-east-1 C.Multiple facilities in eu-west-1 D.A single facility in eu-west-1 Answer:C Multiple facilities in eu-west-1 Explanation: Amazon S3 Standard Storage Class automatically stores data redundantly across multiple facilities (Availability Zones) within the same region where the bucket is created. Since the objects are stored in eu-west-1, they are replicated across multiple AZs in that region to ensure high durability (99.999999999% or 11 nines). Click to know the Answer Collapse For  more AWS Question and Answer Click here  For  more information Visit Cloud Institution 

AWS Solutions Architect Questions and Answers Part-62 Get ready to excel in your AWS Solutions Architect certification with this comprehensive collection of questions and answers. Covering critical topics like cloud architecture design, AWS services, security best practices, and cost optimization, these Q&A sessions will help you gain a deep understanding of AWS concepts and prepare effectively for the exam. Whether you are a beginner or an experienced professional, these answers provide clear explanations and practical examples to solidify your AWS knowledge and boost your confidence. 1.What is the maximum key length of a tag? A.512 Unicode characters B.64 Unicode characters C.256 Unicode characters D.128 Unicode characters Answer:D 128 Unicode characters Explanation: In AWS, a tag key can be up to 128 Unicode characters long, and a tag value can be up to 256 Unicode characters. Tags are key-value pairs that help manage and organize AWS resources. Click to know the Answer Collapse 2.A __________ is a document that provides a formal statement of one or more permissions. A.policy B.permission C.Role D.resource Answer:A policy Click to know the Answer Collapse 3.You are using an m1.small EC2 Instance with one 300 GB EBS volume to host a relational database. You determined that write throughput to the database needs to be increased. Which of the following approaches can help achieve this?  A.Use an array of EBS volumes. B.Enable Multi-AZ mode. Place the instance in an Auto Scaling Groups C.Add an EBS volume and place into RAID 5. D.Increase the size of the EC2 Instance. E.Put the database behind an Elastic Load Balancer.   Use an array of EBS volumes. Increase the size of the EC2 Instance. Explanation: Use an array of EBS volumes: Using RAID 0 (striping) across multiple EBS volumes can improve write throughput by distributing I/O operations across the volumes. Increase the size of the EC2 Instance: Upgrading to a larger EC2 instance type with higher I/O capacity and more CPU/memory can significantly improve database performance. Click to know the Answer Collapse 4.A company needs to deploy virtual desktops to its customers in a virtual private cloud, leveraging existing security controls. Which set of AWS services and features will meet the company’s requirements? A.Virtual Private Network connection. AWS Directory Services, and ClassicLink B.Virtual Private Network connection. AWS Directory Services, and Amazon Workspaces C.AWS Directory Service, Amazon Workspaces, and AWS Identity and Access Management D.Amazon Elastic Compute Cloud, and AWS Identity and Access Management Answer:B Virtual Private Network connection, AWS Directory Services, and Amazon Workspaces Explanation: Amazon Workspaces: Provides secure, managed, and scalable virtual desktops in the cloud. AWS Directory Services: Integrates with existing Active Directory to manage user authentication and permissions. Virtual Private Network (VPN) Connection: Ensures secure communication between the on-premises environment and the Amazon VPC where the Workspaces reside. Click to know the Answer Collapse 5.A company wants to implement their website in a virtual private cloud (VPC). The web tier will use an Auto Scaling group across multiple Availability Zones (AZs). The database will use Multi-AZ RDS MySQL and should not be publicly accessible. What is the minimum number of subnets that need to be configured in the VPC? A.1 B.2 C.3 D.4 Answer:B 2   Click to know the Answer Collapse For  more AWS Question and Answer Click here  For  more information Visit Cloud Institution 

AWS Solutions Architect Questions and Answers Part-61 Get ready to excel in your AWS Solutions Architect certification with this comprehensive collection of questions and answers. Covering critical topics like cloud architecture design, AWS services, security best practices, and cost optimization, these Q&A sessions will help you gain a deep understanding of AWS concepts and prepare effectively for the exam. Whether you are a beginner or an experienced professional, these answers provide clear explanations and practical examples to solidify your AWS knowledge and boost your confidence. 1.Amazon EC2 has no Amazon Resource Names (ARNs) because you can’t specify a particular Amazon EC2 resource in an IAM policy. A.TRUE B.FALSE Answer:B FALSE Explanation: Amazon EC2 resources, such as instances, volumes, and AMIs, do have Amazon Resource Names (ARNs). ARNs can be used in IAM policies to define permissions and restrict access to specific EC2 resources. Example of an EC2 ARN: Click to know the Answer Collapse 2.Which of the following are characteristics of Amazon VPC subnets? Choose 2 answers A.Each subnet spans at least 2 Availability Zones to provide a high-availability environment. B.Each subnet maps to a single Availability Zone. C.CIDR block mask of/25 is the smallest range supported. D.By default, all subnets can route between each other, whether they are private or public. E.Instances in a private subnet can communicate with the Internet only if they have an Elastic IP. Each subnet maps to a single Availability Zone. By default, all subnets can route between each other, whether they are private or public. Explanation: Subnets in Amazon VPC are associated with a single Availability Zone (AZ), ensuring that resources in different subnets can be isolated and protected. Default Routing: By default, subnets within a VPC can route traffic between each other, regardless of whether they are private or public, using the main route table. Click to know the Answer Collapse 3.Do the system resources on the Micro instance meet the recommended configuration for Oracle? A.Yes completely B.Yes but only for certain situations C.Not in any circumstance Answer:C Not in any circumstance Explanation: Micro instances (t2.micro or t3.micro) provide very limited CPU and memory resources, which are insufficient to meet the recommended configuration for Oracle databases. Oracle databases require significantly more CPU, memory, and disk I/O for optimal performance, which Micro instances cannot provide. Click to know the Answer Collapse 4.What does Amazon RDS stand for? A.Regional Data Server. B.Relational Database Service. C.Nothing. D.Regional Database Service. Answer:B Relational Database Service. Explanation: Amazon RDS (Relational Database Service) is a managed database service that supports various database engines, including MySQL, PostgreSQL, MariaDB, Oracle, SQL Server, and Amazon Aurora. It simplifies database administration tasks such as backups, patch management, and scaling. Click to know the Answer Collapse 5.What does Amazon Elastic Beanstalk provide? A,An application container on top of Amazon Web Services. B.A scalable storage appliance on top of Amazon Web Services. C.A scalable cluster of EC2 instances. D.A service by this name doesn’t exist. Answer:A An application container on top of Amazon Web Services. Explanation: Amazon Elastic Beanstalk is a Platform as a Service (PaaS) that allows developers to deploy and manage applications on AWS easily. It automatically handles the deployment, capacity provisioning, load balancing, and scaling of applications. Beanstalk supports applications developed in various languages, including Java, Python, PHP, Node.js, Ruby, and .NET. Click to know the Answer Collapse For  more AWS Question and Answer Click here  For  more information Visit Cloud Institution 

AWS Solutions Architect Questions and Answers Part-60 Get ready to excel in your AWS Solutions Architect certification with this comprehensive collection of questions and answers. Covering critical topics like cloud architecture design, AWS services, security best practices, and cost optimization, these Q&A sessions will help you gain a deep understanding of AWS concepts and prepare effectively for the exam. Whether you are a beginner or an experienced professional, these answers provide clear explanations and practical examples to solidify your AWS knowledge and boost your confidence. 1.REST or Query requests are HTTP or HTTPS requests that use an HTTP verb (such as GET or POST) and a parameter named Action or Operation that specifies the API you are calling. A.FALSE B.TRUE Answer:B TRUE Explanation: REST or Query requests in AWS use HTTP or HTTPS protocols and include an HTTP verb such as GET or POST. The request includes a parameter named Action or Operation that specifies the desired API operation. These requests are used by many AWS services, such as Amazon EC2, Amazon S3, and AWS IAM. Click to know the Answer Collapse 2.Regarding the attaching of ENI to an instance, what does ‘warm attach’ refer to? A.Attaching an ENI to an instance when it is stopped. B.This question doesn’t make sense. C.Attaching an ENI to an instance when it is running D.Attaching an ENI to an instance during the launch process Answer:A Attaching an ENI to an instance when it is stopped. Explanation: Warm Attach refers to attaching an Elastic Network Interface (ENI) to an Amazon EC2 instance when the instance is stopped. Once attached, the ENI remains connected to the instance even after it is restarted. Other attachment types include: Hot Attach: Attach an ENI to a running instance. Cold Attach: Attach an ENI during instance launch. Click to know the Answer Collapse 3.If your DB instance runs out of storage space or file system resources, its status willchange to_____ and your DB Instance will no longer be available. A.storage-overflow B.storage-full C.storage-exceed D.storage-overage Answer:B storage-full Explanation: When an Amazon RDS DB instance runs out of storage or file system resources, its status changes to storage-full. In this state, the DB instance becomes unavailable until the storage is increased or the issue is resolved. To prevent this, you can enable storage auto-scaling to automatically adjust the storage capacity.   Click to know the Answer Collapse 4.How can you secure data at rest on an EBS volume? A.Attach the volume to an instance using EC2’s SSL interface. B.Write the data randomly instead of sequentially. C.Encrypt the volume using the S3 server-side encryption service. D.Create an IAM policy that restricts read and write access to the volume. E.Use an encrypted file system on top of the EBS volume. Answer:E Use an encrypted file system on top of the EBS volume. Explanation: To secure data at rest on an Amazon EBS (Elastic Block Store) volume, you can: Use EBS encryption which encrypts data at rest automatically using AWS Key Management Service (KMS). Alternatively, use an encrypted file system (such as LUKS or BitLocker) on top of the EBS volume for an additional layer of security. IAM policies can restrict access but do not encrypt data at rest. Click to know the Answer Collapse 5.What’s an ECU? A.Extended Cluster User. B.None of these. C.Elastic Computer Usage. D.Elastic Compute Unit. Elastic Compute Unit. Explanation: ECU (Elastic Compute Unit) is a measure used by Amazon EC2 to provide a consistent metric to compare CPU performance across instance types. It helps users estimate the compute power of an instance relative to a baseline, where 1 ECU is approximately equivalent to the CPU power of a 1.0–1.2 GHz 2007 Xeon processor. Click to know the Answer Collapse For  more AWS Question and Answer Click here  For  more information Visit Cloud Institution 

AWS Solutions Architect Questions and Answers Part-59 Get ready to excel in your AWS Solutions Architect certification with this comprehensive collection of questions and answers. Covering critical topics like cloud architecture design, AWS services, security best practices, and cost optimization, these Q&A sessions will help you gain a deep understanding of AWS concepts and prepare effectively for the exam. Whether you are a beginner or an experienced professional, these answers provide clear explanations and practical examples to solidify your AWS knowledge and boost your confidence. 1.Which of the following features ensures even distribution of traffic to Amazon EC2 instances in multiple Availability Zones registered with a load balancer? A.Elastic Load Balancing request routing B.An Amazon Route 53 weighted routing policy C.Elastic Load Balancing cross-zone load balancing D.An Amazon Route 53 latency routing policy Answer:C Elastic Load Balancing cross-zone load balancing Explanation: Cross-zone load balancing ensures that traffic is evenly distributed across all registered Amazon EC2 instances, regardless of the Availability Zone (AZ) they are in. When enabled, each load balancer node distributes traffic across all registered instances in all AZs, helping to maintain even traffic distribution. It improves load balancing efficiency, especially when instance counts vary between zones.   Click to know the Answer Collapse 2. _____ is a durable, block-level storage volume that you can attach to a single, running Amazon EC2 instance. A.Amazon S3 B.Amazon EBS C.None of these D.All of these Answer:A Amazon EBS Explanation: Amazon EBS (Elastic Block Store) is a durable, block-level storage volume that can be attached to a single running EC2 instance. It provides persistent storage for applications and maintains data even when the instance is stopped or terminated (unless explicitly deleted). EBS is ideal for use cases such as databases, file systems, and application storage. Click to know the Answer Collapse 3.Does Dynamic DB support in-place atomic updates? A.It is not defined B.No C.Yes D.It does support in-place non-atomic updates   Answer:C Yes Explanation: Amazon DynamoDB supports in-place atomic updates through the use of the UpdateItem API. Atomic updates allow you to modify attributes in a single, all-or-nothing operation, ensuring that the update is applied only if specific conditions are met. This is useful for incrementing counters or making conditional updates without conflicts.   Click to know the Answer Collapse 4.Can I attach more than one policy to a particular entity? A.Yes always B.Only if within GovCloud C.No D.Only if within VPC Answer:A Yes always Explanation: In AWS IAM (Identity and Access Management), you can attach multiple policies to an entity such as a user, group, or role. Policies can be: Managed Policies: AWS-managed or customer-managed policies. Inline Policies: Embedded directly within the entity. AWS evaluates all attached policies to determine permissions for the entity.   4o Click to know the Answer Collapse 5.Are you able to integrate a multi-factor token service with the AWS Platform? A.No, you cannot integrate multi-factor token devices with the AWS platform. B.Yes, you can integrate private multi-factor token devices to authenticate users to the AWS platform. C.Yes, using the AWS multi-factor token devices to authenticate users on the AWS platform. Answer:C Yes, using the AWS multi-factor token devices to authenticate users on the AWS platform. Explanation: AWS Multi-Factor Authentication (MFA) enhances security by requiring users to provide an additional authentication factor beyond just a username and password. AWS supports the use of: Virtual MFA devices (such as Google Authenticator or Authy). Hardware MFA devices (such as Gemalto tokens or YubiKey). MFA can be enabled for IAM users and the root account to protect access to AWS resources.   Click to know the Answer Collapse For  more AWS Question and Answer Click here  For  more information Visit Cloud Institution 

AWS Solutions Architect Questions and Answers Part-57 Get ready to excel in your AWS Solutions Architect certification with this comprehensive collection of questions and answers. Covering critical topics like cloud architecture design, AWS services, security best practices, and cost optimization, these Q&A sessions will help you gain a deep understanding of AWS concepts and prepare effectively for the exam. Whether you are a beginner or an experienced professional, these answers provide clear explanations and practical examples to solidify your AWS knowledge and boost your confidence. 1.A company is storing data on Amazon Simple Storage Service (S3). The company’s security policy mandates that data is encrypted at rest. Which of the following methods can achieve this? Choose 3 answers A.Use Amazon S3 server-side encryption with AWS Key Management Service managed keys. B.Use Amazon S3 server-side encryption with customer-provided keys. C.Use Amazon S3 server-side encryption with EC2 key pair. D.Use Amazon S3 bucket policies to restrict access to the data at rest. E.Encrypt the data on the client-side before ingesting to Amazon S3 using their own master key. F.Use SSL to encrypt the data while in transit to Amazon S3. Use Amazon S3 server-side encryption with AWS Key Management Service managed keys. Use Amazon S3 server-side encryption with customer-provided keys. Encrypt the data on the client-side before ingesting to Amazon S3 using their own master key. Explanation: Amazon S3 Server-Side Encryption with AWS KMS (SSE-KMS): Encrypts data at rest using keys managed by AWS Key Management Service (KMS). Amazon S3 Server-Side Encryption with Customer-Provided Keys (SSE-C): Allows customers to supply their own encryption keys for Amazon S3 to use for encryption and decryption. Client-Side Encryption: Data can be encrypted on the client-side before uploading to S3 using a customer-managed master key, ensuring data security before it even reaches AWS. Click to know the Answer Collapse 2.Location of Instances are ____________ A.Regional B.based on Availability Zone C.Global Answer:B based on Availability Zone Explanation: Amazon EC2 instances are launched in a specific Availability Zone (AZ) within a region. An Availability Zone is a distinct location within a region that provides isolated, fault-tolerant infrastructure. While regions are geographically distributed, instances are physically located in an assigned Availability Zone within that region Click to know the Answer Collapse 3.Can I use Provisioned IOPS with VPC? A.Only Oracle based RDS B.No C.Only with MSSQL based RDS D.Yes for all RDS instances Answer:D Yes for all RDS instances Explanation: Provisioned IOPS (PIOPS) can be used with all Amazon RDS instances running in a VPC. It is available for all supported database engines, including: MySQL PostgreSQL Oracle SQL Server MariaDB Amazon Aurora PIOPS provides high-performance, consistent storage ideal for I/O-intensive applications. Click to know the Answer Collapse 4.An Auto-Scaling group spans 3 AZs and currently has 4 running EC2 instances. When Auto Scaling needs to terminate an EC2 instance by default, AutoScaling will: Choose 2 answers A.Allow at least five minutes for Windows/Linux shutdown scripts to complete, before terminating the instance. B.Terminate the instance with the least active network connections. If multiple instances meet this criterion, one will be randomly selected. C.Send an SNS notification, if configured to do so. D.Terminate an instance in the AZ which currently has 2 running EC2 instances. E.Randomly select one of the 3 AZs, and then terminate an instance in that AZ. Send an SNS notification, if configured to do so. Terminate an instance in the AZ which currently has 2 running EC2 instances. Explanation: SNS Notification: Auto Scaling can be configured to send an SNS notification when an instance is launched or terminated. This allows administrators to monitor and track Auto Scaling activities. Terminate in the AZ with More Instances: By default, Auto Scaling tries to maintain balance across Availability Zones (AZs). If there is an imbalance, Auto Scaling terminates instances in the AZ with the highest number of running instances to maintain even distribution. Click to know the Answer Collapse You have a video transcoding application running on Amazon EC2. Each instance polls a queue to find out which video should be transcoded, and then runs a transcoding process If this process is interrupted, the video will be transcoded by another instance based on the queuing system. You have a large backlog of videos which need to be transcoded and would like to reduce this backlog by adding more instances. You will need these instances only until the backlog is reduced. Which type of Amazon EC2 instances should you use to reduce the backlog in the most cost efficient way? A.Reserved instances B.Spot instances C.Dedicated instances D.On-demand instances Answer:B Spot instances Explanation: Spot Instances are ideal for workloads that are fault-tolerant and can handle interruptions, such as batch processing or video transcoding. They offer significant cost savings (up to 90% cheaper than On-Demand instances). Since your transcoding process can be resumed by another instance if interrupted, Spot Instances are the most cost-efficient option to reduce the backlog quickly   Click to know the Answer Collapse

AWS Solutions Architect Questions and Answers Part-56 Get ready to excel in your AWS Solutions Architect certification with this comprehensive collection of questions and answers. Covering critical topics like cloud architecture design, AWS services, security best practices, and cost optimization, these Q&A sessions will help you gain a deep understanding of AWS concepts and prepare effectively for the exam. Whether you are a beginner or an experienced professional, these answers provide clear explanations and practical examples to solidify your AWS knowledge and boost your confidence. 1.A company has a workflow that sends video files from their on-premise system to AWS for transcoding. They use EC2 worker instances that pull transcoding jobs from SQS. Why is SQS an appropriate service for this scenario? A.SQS guarantees the order of the messages. B.SQS synchronously provides transcoding output. C.SQS checks the health of the worker instances. D.SQS helps to facilitate horizontal scaling of encoding tasks. Answer:D SQS helps to facilitate horizontal scaling of encoding tasks. Explanation: Amazon SQS (Simple Queue Service) enables decoupling of components in distributed applications, allowing multiple EC2 worker instances to pull jobs concurrently. This facilitates horizontal scaling, where multiple instances process tasks independently and in parallel, improving performance and fault tolerance. SQS ensures that messages (transcoding jobs) are delivered and can be processed by available worker instances, ensuring scalability and reliability. Click to know the Answer Collapse 2.In the context of MySQL, version numbers are organized as MySQL version = X.Y.Z. What does X denote here? A.release level B.minor version C.version number D.major version Answer:D major version Explanation: In MySQL versioning (X.Y.Z): X denotes the major version, indicating significant changes, new features, and potential backward-incompatible changes. Y denotes the minor version, which may include feature enhancements and minor changes. Z denotes the patch version, addressing bug fixes and security patches. Click to know the Answer Collapse 3.Does Route 53 support MX Records? A.Yes. B.It supports CNAME records, but not MX records. C.No D.Only Primary MX records. Secondary MX records are not supported. Answer:A Yes. Explanation: Amazon Route 53 fully supports MX (Mail Exchange) records, which specify mail servers responsible for receiving email messages on behalf of a domain. You can configure multiple MX records with different priorities to route emails correctly. Route 53 supports primary and secondary MX records for redundancy and load balancing. Click to know the Answer Collapse 4.A Provisioned IOPS volume must be at least __________ GB in size A.1 B.50 C.20 D.10 Answer:D 10 Explanation: Provisioned IOPS (io1/io2) volumes in Amazon EBS must be a minimum of 10 GB in size. These volumes are designed for applications that require high throughput and low-latency disk I/O, such as large databases. Click to know the Answer Collapse 5.Do the Amazon EBS volumes persist independently from the running life of an Amazon EC2 instance? A.No B.Only if instructed to when created C.Yes Answer:C Yes Explanation: Amazon EBS (Elastic Block Store) volumes persist independently of the running life of an Amazon EC2 instance. Even if an instance is terminated, the EBS volume remains available unless you specify the “Delete on Termination” option when launching the instance. EBS volumes can be attached, detached, and reattached to instances as needed. Click to know the Answer Collapse For  more AWS Question and Answer Click here  For  more information Visit Cloud Institution