Amazon Web Services Updated CLF-C02 Exam Questions and Answers by zian

According to the AWS shared responsibility model, AWS is responsible for the security of the cloud, while customers are responsible for the security in the cloud. This means that AWS is responsible for the physical servers, networking, and operating system that run DynamoDB, while customers are responsible for the security of their data and access to the database. Customers need to manage database access permissions, such as creating and managing AWS Identity and Access Management (IAM) policies and roles, and using encryption and key management options to protect their data123. References: 1: Shared Responsibility Model - Amazon Web Services (AWS), 2: Security in Amazon DynamoDB - Amazon DynamoDB, 3: AWS Shared Responsibility Model - Introduction to DevOps …

Reserved Instances are a pricing model that offers significant discounts on Amazon EC2 usage compared to On-Demand Instances. Reserved Instances are suitable for stateful workloads that have predictable and consistent usage patterns for a long-term period. By committing to a one-year or three-year term, customers can reduce their total cost of ownership and optimize their cloud spend. Reserved Instances also provide capacity reservation, ensuring that customers have access to the EC2 instances they need when they need them. References: AWS Pricing Calculator, Amazon EC2 Pricing, [AWS Cloud Practitioner Essentials: Module 3 - Compute in the Cloud]

A Network Access Control List (ACL) is a stateless network filtering mechanism provided by AWS for controlling traffic in and out of subnets within a VPC. Unlike security groups, which are stateful, network ACLs are stateless. This means that they do not automatically allow responses to inbound traffic unless explicitly specified. Network ACLs allow you to set rules for both inbound and outbound traffic, making them suitable for stateless filtering. Security groups, on the other hand, are stateful, while AWS WAF is primarily for web application-level security. AWS PrivateLink is used for privately connecting VPCs to AWS services without using an internet gateway. Therefore, for stateless network filtering, Network ACL is the correct choice.

AWS IAM Identity Center (formerly AWS Single Sign-On or AWS SSO) provides a single sign-on experience for accessing AWS accounts and applications by integrating with third-party identity providers (IdPs) like Microsoft Active Directory, Okta, or any SAML 2.0-compliant IdP. This service allows employees to log in once using their existing corporate credentials managed by the third-party IdP and gain access to multiple AWS accounts and services without needing separate AWS credentials.

Why other options are not suitable:

A. AWS Directory Service: Provides a managed Microsoft Active Directory, but does not directly support single sign-on integration with third-party IdPs.

B. Amazon Cognito: Primarily used for managing authentication for web and mobile apps, not for integrating third-party IdPs for AWS management access.

D. AWS Resource Access Manager (AWS RAM): Used for sharing AWS resources across accounts, not for identity and access management.

References:

AWS IAM Identity Center Documentation