Amazon RDS is a managed relational database service on which you can run several types of database software. The service is managed so this reduces the database administration tasks an administrator would normally undertake. The managed service includes hardware provisioning, database setup, patching and backups.
Pay-as-you-go pricing helps companies move away from fixed costs to variable costs in a model in which they only pay for what they actually use. There are no fixed term contracts with AWS so that requirement is also met.
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An Amazon EC2 Dedicated Host is a physical server with EC2 instance capacity fully dedicated to your use. Dedicated Hosts allow you to use your existing per-socket, per-core, or per-VM software licenses, including Windows Server, Microsoft SQL Server, SUSE, and Linux Enterprise Server.
Loose coupling is when you break systems down into smaller components that are loosely coupled together. This reduces interdependencies between systems components. This is achieved in the cloud using messages buses, notification and messaging services.
Removing single points of failure ensures fault tolerance and high availability. This is easily achieved in the cloud as the architecture and features of the cloud support the implementation of highly available and fault tolerant systems.
To make the deployment highly available the user should launch the instances across multiple Availability Zones in a single AWS Region. Elastic Load Balancers can only serve targets in a single Region so it is not possible to deploy across Regions.
Practice makes perfect! To maximize your chances of success, enroll in our training courses for the AWS Cloud Practitioner that include a video course, practice exams / exam simulator and training notes (PDF).
AWS Certified Cloud Practitioner exams are designed to test and recognize your skills on AWS cloud infrastructure, compliance and security, user management, value propositions, and operating/deploying principles in the AWS cloud environment.
This list of free aws questions on AWS certified cloud practitioner exams can help you in up-skilling the knowledge gaps. Once you have spent some time learning these AWS questions on Cloud Practitioner certification, you can face the real exam with more confidence and ensure passing it in your first attempt itself.
A. Minimize storage requirements by reducing logging and auditing activities
B. Create systems that scale to the required capacity based on changes in demand
C. Enable AWS to automatically select the most cost-effective services.
D. Accelerate the design process because recovery from failure is automated, reducing the need for testing
Cost Explorer is a free tool that you can use to view your costs. You can view data up to the last 12 months. You can forecast how much you are likely to spend for the next 12 months and get recommendations for what Reserved Instances to purchase. You can use Cost Explorer to see patterns in how much you spend on AWS resources over time, identify areas that need further inquiry, and see trends that you can use to understand your costs. You also can specify time ranges for the data and view time data by day or by month.
Q3: A business analyst would like to move away from creating complex database queries and static spreadsheets when generating regular reports for high-level management. They would like to publish insightful, graphically appealing reports with interactive dashboards. Which service can they use to accomplish this?
Amazon QuickSight is the most appropriate service in the scenario. It is a fully-managed service that allows for insightful business intelligence reporting with creative data delivery methods, including graphical and interactive dashboards. QuickSight includes machine learning that allows users to discover inconspicuous trends and patterns on their datasets.
A. All users should have the same baseline permissions granted to them to use basic AWS services.
B. Users should be granted permission to access only resources they need to do their assigned job.
C. Users should submit all access requests in written form so that there is a paper trail of who needs access to different AWS resources.
D. Users should always have a little more permission than they need.
The principle means giving a user account only those privileges which are essential to perform its intended function. For example, a user account for the sole purpose of creating backups does not need to install the software. Hence, it has rights only to run backup and backup-related applications.
Q6: A web administrator maintains several public and private web-based resources for an organisation. Which service can they use to keep track of the expiry dates of SSL/TLS certificates as well as updating and renewal?
The AWS Certificate Manager allows the web administrator to maintain one or several SSL/TLS certificates, both private and public certificates including their update and renewal so that the administrator does not worry about the imminent expiry of certificates. -manager/
When you create an EBS volume based on a snapshot, the new volume begins as an exact replica of the original volume that was used to create the snapshot. The replicated volume loads data in the background so that you can begin using it immediately.
AWS WAF is a web application firewall that lets you monitor the HTTP and HTTPS requests that are forwarded to Amazon CloudFront or an Application Load Balancer. AWS WAF also lets you control access to your content.
AWS Snowball, a part of the AWS Snow Family, is an edge computing, data migration, and edge storage device that comes in two options. Snowball Edge Storage Optimized devices provide both block storage and Amazon S3-compatible object storage, and 40 vCPUs.
Q9: Your design team is planning to design an application that will be hosted on the AWS Cloud. One of their main non-functional requirements is given below:
Reduce inter-dependencies so failures do not impact other components.
Which of the following concepts does this requirement relate to?
The entire concept of decoupling components ensures that the different components of applications can be managed and maintained separately. If all components are tightly coupled, the entire application would go down when one component goes down. Hence it is always a better practice to decouple application components.
Q10: A manufacturing firm has recently migrated their application servers to the Amazon EC2 instance. The IT Manager is looking for the details of upcoming scheduled maintenance activities which AWS would be performing on AWS resources, that may impact the services on these EC2 instances.
AWS Personal Health Dashboard provides alerts for AWS services availability & performance which may impact resources deployed in your account. Customers get emails & mobile notifications for scheduled maintenance activities which might impact services on these AWS resources.
Option C is incorrect as AWS Trusted Advisor will provide notification on AWS resources created within the account for cost optimization, security, fault tolerance, performance, and service limits. It will not provide notification for scheduled maintenance activities performed by AWS on its resources.
AWS Config can be used to audit, evaluate configurations of AWS resources. If there are any operational issues, AWS config can be used to retrieve configurational changes made to AWS resources that may have caused these issues.
Q12: An organization runs several EC2 instances inside a VPC using three subnets, one for Development, one for Test, and one for Production. The Security team has some concerns about the VPC configuration. It requires restricting communication across the EC2 instances using Security Groups.
A. You can change a Security Group associated with an instance if the instance is in the running state.
B. You can change a Security Group associated with an instance if the instance is in the hibernate state.
C. You can change a Security Group only if there are no instances associated to it.
D. The only Security Group you can change is the Default Security Group.
If you are looking to use replication to increase database availability while protecting your latest database updates against unplanned outages, consider running your DB instance as a Multi-AZ deployment.
AWS Database Migration Service helps you migrate databases to AWS quickly and securely. The source database remains fully operational during the migration, minimizing downtime to applications that rely on the database. The AWS Database Migration Service can migrate your data to and from the most widely used commercial and open-source databases.
Amazon Inspector enables you to analyze the behavior of your AWS resources and helps you to identify potential security issues. Using Amazon Inspector, you can define a collection of AWS resources that you want to include in an assessment target. You can then create an assessment template and launch a security assessment run of this target.
Q16: A website for an international sport governing body would like to serve its content to viewers from different parts of the world in their vernacular language. Which of the following services provide location-based web personalization using geolocation headers?
Option A is incorrect because NAT devices (NAT Gateway, Nat Instance) allow instances in private subnets to connect to the internet, other VPCs, or on-premises networks. It is deployed in a public subnet.
Option B is incorrect because bastion host is a server whose purpose is to provide access (SSH access) to a private network from an external network, such as the Internet. It is deployed in a public subnet. 152ee80cbc
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