Missed questions Flashcards
A user uses CloudFormation to deploy infrastructure to multiple Regions. This multi-Region deployment strategy involves which pillar of the AWS Well-Architected Framework?
Performance Efficiency
This Performance Efficiency pillar focuses on the effective use of resources to meet demand.
What does a developer need in order to log in to an EC2 instance via SSH from their local machine?
Private key
A key pair, consisting of a private key and a public key, is a set of security credentials you use to prove your identity when connecting to an instance. You store the private key locally.
SSH client
An SSH client is a program that allows establishing a secure connection from your local laptop to an EC2 instance.
An organization needs to run a MySQL relational database on AWS. They plan to hire their own database administrators to manage their databases, including taking backups, using replication, and clustering. Which option provides the customer the control and flexibility needed?
Install the MySQL database directly on an EC2 instance.
Installing the database directly to EC2 gives the customer complete control over the database and its management.
A company has made the decision to migrate its internal on-premises data center to the cloud. Who can help the company plan and conduct the migration?
AWS Infrastructure Event Management
Consulting partner from the AWS Partner Network (APN)
A company is using Trusted Advisor to ensure they are following AWS best practices. What real-time guidance does Trusted Advisor provide?
Exposed access keys
S3 bucket permissions for public access
Low utilization on EC2 instances
A customer needs to identify vulnerabilities on their EC2 instances, such as unintended network access. Which services will provide a report of findings?
Trusted Advisor is a tool that provides real-time guidance to help you provision resources following AWS best practices. It will check security groups for rules that allow unrestricted access (0.0.0.0/0) to specific ports.
Inspector works with EC2 instances to uncover and report vulnerabilities.
A customer has created an Administrators group in IAM containing 5 users. What does the customer attach to the group to ensure all the users have the needed administrative access?
IAM policy
Which services can host a MariaDB database?
EC2
RDS
A development team wants to gain full observability into the health of their applications and instances in order to provide the best service level to users of their applications. Which services can help them monitor the health of their applications and instances?
Elastic Beanstalk
Route 53
Elastic Load Balancing
When analyzing application performance, a developer realizes the queries to the database are taking a long time. What can the developer implement to store common queries and improve performance?
ElastiCache helps you alleviate database load for data that is accessed often. ElastiCache is a great way to cache common queries.
A company with a business-critical application needs to ensure business continuity and that they will not be impacted by capacity restraints in a given Region. How can the company ensure this?
Convertible Reserved Instance (RI) with a capacity reservation
Standard Reserved Instance (RI) with a capacity reservation
A customer would like to store secondary backup copies of on-premises data to the cloud. The customer is not concerned about an extra level of protection by geographic redundancy but requires rapid access to the data when it is needed. Which Amazon S3 storage class should be used as the lowest cost option with rapid access?
S3 One Zone-Infrequent Access
A company would like to understand its total cost of ownership (TCO) when moving workloads to the cloud. Which should the company consider in their overall TCO?
Storage costs
Compute costs
Data transfer costs
