AWS Module Quizzes + Services
What is the maximum size IP address range you can have in an Amazon VPC?
/16
What is the minimum size subnet you can have in an Amazon VPC?
/28
How many internet gateways can you attached to an Amazon VPC at any one time?
1
How long does Amazon CloudWatch keep metric data?
15 months
What is an AWS IAM instance profile?
A container for a IAM role that you can use to pass role information an EC2 instance when the instance starts
Regarding Amazon Glacier, what is a vault?
A container for storing archives
What happens when you create a new Amazon VPC?
A main route table is created by default
Elastic Load Balancing health checks may be what?
A ping, a connection attempt or an EC2 Instance status check
What is included in an AMI?
A template for the root volume of an instance, launch permissions that control which AWS accounts can use to launch instances, and a block device mapping that specifies the volumes to attach to the instance when it's launched
What must be specified when launching a new Amazon Elastic Compute Cloud (Amazon EC2) Windows instance?
AMI and Amazon EC2 instance type
What are the minimum elements required to create an Auto Scaling launch configuration?
AMI, Instance Type, Launch configuration name
Which component of AWS Global infrastructure does Amazon CloudFront use to ensure low latency delivery?
AWS Edge Locations
What is a geographic area that hosts two or more Availability Zones?
AWS Regions
Where can a customer find information about prohibited actions on AWS infrastructure?
AWS accepted use policy
Which component of AWS global infrastructure does Amazon CloudFront use to ensure low- latency delivery?
AWS edge locations
When creating an IAM policy, what are the two types of access that can be granted to a user?
AWS management console access and Programmatic access
What are two advantages of AWS Cloud security?
AWS uses multi factor access control systems and you retain complete control and ownership of your data region
This program is up to five times faster than standard MySQL databases and 3 times faster than standard PostgreSQL databases
Amazon Aurora
If you are developing an application that requires a database with extremely fast performance, fast scalability, and flexibility in the database schema, what should you consider?
Amazon DynamoDB
What is an example of a Platform as a Service?
Amazon Lightsail
Which AWS Cloud service is best suited for Online Analytics Processing (OLAP)?
Amazon Redshift
Which service would you use to send alerts based on Amazon CloudWatch alarms?
Amazon Simple Notification System (SNS)
Which AWS networking service enables a company to create a virtual network within AWS?
Amazon VPC
What are the three types of load balancers that ELB offers?
Application, Network, and Classic load balancers
Advantages of cloud computing over on-premises?
Avoid large capital purchases, on-demand capacity, go global in minutes, increase speed and agility
Amazon CloudWatch supports which types of monitoring plans?
Basic monitoring (free) and detailed monitoring (extra cost)
What do the following have in common: Fault tolerant databases, High availability, temporary and disposable resources
Benefits of AWS Cloud computing
What should you consider when choosing a database type?
Data size, data access period, query frequency, high availability
What are 3 features of Amazon Elastic Block Store (EBS)?
Data stored on Amazon EBS is automatically replicated within an availability zone and Amazon EBS volumes can be encrypted transparently to workloads on the attached instance
Which Amazon Elastic Compute Cloud (Amazon EC2) feature ensures your instances will not share a physical host with instances from any other AWS customer?
Dedicated Instances
After initial login, what does AWS recommend as the best practice for the AWS Account Root User?
Delete root user access keys
Why is AWS more economical than traditional data centers for applications with varying compute workloads?
EC2 Instances can be launched on-demand when needed
As AWS grows, the general cost of doing business is reduced and savings are passed back to the customer in the form of lower pricing. What is this optimization called?
Economies of scale
Which two AWS tools help your application scale up or down based on demand?
Elastic Load Balancing, Auto Scaling
What means that resources dynamically adjust to increase/decrease in capacity requirements?
Elastic and scalable
How would a system administrator add an additional layer of login security to a user's AWS Management Console?
Enable multi-factor authentication
What does the IAM policy simulator do?
Evaluates the policies you choose and determines the effective permissions for each of the actions you specify
T/F: A data center can be used for more than one Availability Zone
False
T/F: AWS IAM is appropriate for OS and application authentication
False
T/F: AWS is responsible for the security of everything about the hypervisor layer
False
T/F: Access Control Lists are used to make entire buckets public
False
T/F: By default, all data stored in S3 is viewable by the public
False
T/F: Edge locations are only located in the same general area as regions
False
T/F: Private subnets have direct access to the Internet
False
T/F: The Access Key and Secret Access Key are used to log into the AWS Management Console
False
T/F: To receive the discounted rate associated with Reserved Instances, you must make a full, up-front payment for the term of the agreement.
False
T/F: Unlimited services are available via the free tier to new AWS customers for 12 months following their AWS sign-up date.
False
What means that the infrastructure has built in component redundancy?
Fault tolerant
When are free data transfers applicable across AWS?
Free inbound data transfer for EC2 instances, Free outbound data transfer between services within the same region
S3 replicates all objects _______
In multiple availability zones within the same region
There is no charge for these services..
Inbound data transfer, Data transfer between services in the same region
What is the #1 reason businesses are switching to cloud computing?
Increased speed and agility
The AWS Risk and Compliance Programs is made up of which 3 components?
Information security, Risk management, and Control environment
What is included in AWS Assurance Programs?
Laws, regulation, privacy and certifications/attestations
What is AWS's responsibility under the AWS shared responsibility model?
Maintaining physical hardware
What are required elements of an Auto Scaling group?
Minimum size and launch configuration
What are AWS IAM best practices?
Monitor activity in your AWS account and rotate credentials regularly
With the "Pay as you go" pricing model, what is the billing interval for compute resources from the time you launch a resource until you terminate it?
Monthly
You need to allow resources in a private subnet to access the internet. What must be present to enable this access?
NAT gateway
What is an optional security control that can be applied at the subnet layer of a VPC?
Network ACL
You are designing an e-commerce web application that will scale to hundreds of thousands of concurrent users. Which database technology is best suited to hold the session state?
NoSQL Database table using Amazon DynamoDB
What is AWS Trusted Advisor?
Online tool that helps you configure resources to follow best practices
What types of AWS data transfer is free for Amazon S3?
Outbound data transfer from s3 to cloudfront and Inbound data transfer from internet to s3
pricing model that allows AWS customers to pay for resources on an as-needed basis
Pay as you go
What is not a primary benefit of cloud computing over on-premises computing?
Paying for racking, stacking, and powering servers
Reserved Instances are available in what 3 options
Puri, Nuri, Auri
In Amazon DynamoDB, what does the query operation allow you to do?
Query a table using a partition key and an optional short key filter, query any secondary indexes that exist for a table and efficiently retrieve items from a table or secondary index
Which EC2 option is best for long-term workloads with predictable usage patterns?
Reserved
What are 3 characteristics of the Auto Scaling service on AWS?
Responds to changing conditions by adding or terminating Amazon EC2 instances, Launches instances from a specified Amazon Machine Image (AMI), Enforces a minimum number of running Amazon EC2 instances
Your web application needs four instances to support steady traffic all of the time. On the last day of the month, the traffic triples. What is the most cost-effective way to handle this pattern?
Run 4 reserved instances constantly, then add 8 on-demand instances on the last day of the month
What can be used as a storage class for an S3 object lifecycle policy?
S3 standard access, Amazon glacier, S3 infrequent access
You need to find an item in a DynamoDB table using an attribute other than the item's primary key. What operation should you use?
Scan
If your proj requires you to run monthly reports that iterate through very large amounts of data, which EC2 purchasing option should you consider?
Scheduled reserved
With the "pay as you go" pricing model, how often do you pay for compute resources from the time you launch a resource until you terminate it?
Secondly and hourly
What are some of the security benefits that AWS offers?
Secure global infrastructure and meeting compliance requirements
What service provides trusted users with temporary security credentials that can control access to your AWS resources?
Security Token Service (STS)
In the Shared Responsibility Model, AWS has responsibility of providing what?
Security of the cloud
What are the 3 ways to access AWS core services?
Software development kits (SDK's), AWS command line interface (CLI), AWS Management Console
What can you use S3 for with your web application?
Store static content such as images, video, javascript, etc
Which of these is not a cloud deployment model: Infrastructure as a service, Platform as a service, Software as a service, System Administration as a service
System Administration as a service
In the Shared Responsibility Model, what are examples of "security in the cloud?"
The country in which content is stored and which AWS services are used with the content
What AWS tool compares the cost of running your application in an on-premises data center to AWS?
Total cost of ownership (TCO) calculator
Which of the following is not one of the four areas of the performance efficiency pillar?
Traceability
T/F: A region is a physical location that has multiple availability zones
True
T/F: AWS offers services like Virtual Private Cloud, Consolidated Billing, Auto Scaling and Cloud Formation at no charge
True
T/F: AWS owns and maintains the network-connected hardware required for application services, while you provisor and use what you need
True
T/F: Amazon RDS automatically patches the database software and backs up your database, storing the backups for a user-defined retention period and enabling point-in-time recovery
True
T/F: Availability Zones within a region are connected through low-latency links
True
T/F: Each Availability Zone is designed to be isolated from failures in other Availability Zones
True
T/F: Each region is located in a separate physical geographic area
True
T/F: S3 is an object storage suitable for the storage of "flat" files like Word docs, photos, etc
True
T/F: Using IAM Groups is the recommended way to manage IAM users' permissions by job function
True
T/F: You can launch multiple instances of different types from a single AMI when launching an EC2 instance.
True
When is Amazon EBS recommended?
When data must be quickly accessibly, requiring long term persistence and when it requires an encryption solution
In Amazon DynamoDB, an attribute is _________
a fundamental data element
What must be configured on an Elastic Load Balancing load balancer to accept incoming traffic?
a listener
You can run applications and workloads from a region to _____ latency to end users
decrease
Economies of scale results from..
having hundreds of thousands of customers aggregated in the cloud
AWS highly recommends provisioning your compute resources across _____ Availability Zones
multiple
The name of an S3 bucket must be unique _______
worldwide across all AWS accounts