Which AWS service or feature allows a user to establish a dedicated network connection between a company's on-premises data center and the AWS Cloud?
Correct Answer: A
AWS Direct Connect is an AWS service that allows users to establish a dedicated network connection between their on-premises data center and the AWS Cloud. This connection bypasses the public internet and provides more predictable network performance, reduced bandwidth costs, and increased security. Users can choose from different port speeds and connection types, and use AWS Direct Connect to access AWS services in any AWS Region globally. Users can also use AWS Direct Connect in conjunction with AWS VPN to create a hybrid network architecture that combines the benefits of both private and public connectivity. Reference: AWS Direct Connect, [AWS Cloud Practitioner Essentials: Module 3 - Compute in the Cloud]
Question 112
Which AWS service provides the ability to host a NoSQL database in the AWS Cloud?
Correct Answer: B
Amazon DynamoDB is a fully managed NoSQL database service that provides fast and predictable performance with seamless scalability. It supports both key-value and document data models, and allows you to create tables that can store and retrieve any amount of data, and serve any level of request traffic. You can also use DynamoDB Streams to capture data modification events in DynamoDB tables.
Question 113
Which of the following is a fully managed graph database service on AWS?
Correct Answer: D
Amazon Neptune is a fully managed graph database service on AWS. A graph database is a type of database that stores and queries data as a network of nodes and edges, representing entities and relationships. Graph databases are useful for applications that deal with highly connected data, such as social networks, recommendation engines, fraud detection, and knowledge graphs45. Amazon Neptune is a fast, reliable, and scalable graph database service that supports two popular graph models: property graphs and RDF. Amazon Neptune also supports two open standards for querying graphs: Apache TinkerPop Gremlin and SPARQL. Amazon Neptune handles the heavy lifting of managing the database, such as provisioning, patching, backup, recovery, encryption, and replication456. Reference: 4: Managed Graph Database - Amazon Neptune - AWS, 5: Amazon Neptune - A Fully Managed Graph Database Service, 6: Working with AWS Neptune. Neptune is a fully-managed graph ... - Medium
Question 114
A company needs to block SQL injection attacks. Which AWS service or feature can meet this requirement?
Correct Answer: A
AWS WAF is a web application firewall that helps protect web applications from common web exploits, such as SQL injection attacks. It allows customers to create custom rules that block malicious requests. AWS Shield is a managed service that protects against distributed denial of service (DDoS) attacks, not SQL injection attacks. Network ACLs and security groups are network-level security features that filter traffic based on IP addresses and ports, not web requests or SQL queries. References: [AWS WAF], [AWS Shield], [Network ACLs], [Security groups]
Question 115
Which fully managed AWS service assists with the creation, testing, and management of custom Amazon EC? images?
Correct Answer: A
Understanding EC2 Image Builder: EC2 Image Builder is a fully managed service that simplifies the creation, maintenance, validation, and testing of Amazon Machine Images (AMIs). Why Use EC2 Image Builder: Automation: Automates the creation and management of AMIs, reducing manual efforts and the risk of errors. Customization: Allows you to customize the images to include necessary software, configurations, and security settings. Compliance: Ensures that the images comply with your security and operational standards through continuous monitoring and testing. How to Implement EC2 Image Builder: Create a Recipe: Define an image recipe specifying the base image and components to be included. Build Pipeline: Set up an image pipeline that automates the building and testing of the AMI based on a schedule or trigger. Distribute Images: Use the produced AMIs across multiple AWS regions and accounts as needed. EC2 Image Builder
