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Question: What is Amazon DynamoDB and why is it considered a highly scalable NoSQL database?
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Answer: Amazon DynamoDB is a fully managed NoSQL database service provided by AWS.
It is considered highly scalable due to its distributed architecture, which automatically partitions data
and scales throughput capacity to handle any workload with consistent, single-digit millisecond latency.
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Question: What is AWS CloudTrail and how is it used for auditing and compliance purposes?
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Answer: AWS CloudTrail is a service that enables governance, compliance, operational auditing,
and risk auditing of your AWS account. It records API calls and actions taken by users, roles, or AWS services,
providing visibility into account activity for security analysis, resource change tracking, and troubleshooting.
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Question: Can you explain the concept of AWS Direct Connect and its benefits?
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Answer: AWS Direct Connect is a dedicated network connection service that enables you to establish private connectivity
between your data center, office, or colocation environment and AWS.
It provides consistent network performance, reduced latency, increased security, and cost savings compared to internet-based connections.
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Question: What is AWS ELB, and how does it improve availability and fault tolerance?
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Answer: AWS Elastic Load Balancing distributes incoming application traffic across multiple targets,
such as EC2 instances, containers, and IP addresses, to ensure optimal performance, availability,
and fault tolerance of applications.
It automatically scales to handle varying levels of traffic and detects unhealthy targets, rerouting traffic to healthy ones.
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Question: What are the benefits of using AWS CloudFormation for infrastructure deployment and management?
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Answer: AWS CloudFormation enables you to model and provision AWS infrastructure resources using templates,
allowing for automated and repeatable deployments.
It helps reduce manual error, ensures consistency across environments, simplifies infrastructure management,
and facilitates infrastructure as code practices.
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Question: Can you explain the difference between Amazon RDS Multi-AZ deployments and Read Replicas?
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Answer: Amazon RDS Multi-AZ (Availability Zone) deployments provide high availability and failover
support by replicating your database synchronously across multiple Availability Zones within a region.
The Read Replicas, on the other hand, are additional copies of your database that can be used for read-heavy workloads,
such as analytics or reporting, and are asynchronously replicated from the primary database.
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Question: What is AWS (Identity and Access Management) IAM Policy and how is it structured?
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Answer: AWS IAM Policy is a document that defines permissions to perform actions on AWS resources.
It consists of JSON (JavaScript Object Notation) syntax and comprises elements such as:
• "Effect" (whether to allow or deny)
• "Action" (specific actions to be allowed or denied)
• "Resource" (the AWS resource to which the policy applies)
• "Condition" (optional criteria for when the policy is in effect)
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