AWS Module 1-10 Knowledge Checks
Which component of the AWS Global infrastructure does Amazon CloudFront use to ensure low-latency delivery?
AWS edge locations
Advantage of cloud computing over on-premises
All of above
In Amazon DynamoDB, what does the query operation enable you to do?
All of the above
What is included in an Amazon Machine Image (AMI)?
All of the above
What should you consider when choosing database type?
All of the above
A company has an application, which consists of a .NET layer that connects to a MySQL database. They want to move this application on to AWS and use AWS features such as high availability and automated backups. Which of the following would be an ideal database for this use case
Amazon Aurora
Which of the following services can help you conflict important metrics from Amazon Relational Database Service (Amazon RDS) and Amazon Elastic Compute Cloud (Amazon EC2) instances?
Amazon CloudTrail
If you are developing an application that requires a database with extremely fast performance, fast scalability, and flexibility in the database schema, which service would you consider?
Amazon DynamoDB
You are designing an ecommerce web application that will scale to hundreds of thousands of concurrent users, Which database technology is best suited to hold the session state in this example?
Amazon DynamoDB
Which of the following are features of Elastic Block Store EBS?
Amazon EBS volumes persist when the instance is stopped, Data automatically replicated within and availability zone, Can be encrypted upon creation and used by an instance, as if they were not encrypted
Which of the following is a compute service?
Amazon EC2
Which of the following AWS tools help your application scale up or down based on demand?
Amazon EC2 Auto Scaling, Elastic Load Balancing
Why is AWS more economical than traditional data centers for applications with varying compute networks?
Amazon EC2 instances can be launched on-demand when needed
Which of the following use cases is appropriate for using Amazon Relational Database Service (Amazon RDS)?
Complex transactions
You can run applications and workloads from a region closer to the end users to _____ latency.
Decrease
Which Amazon EC2 feature ensures your instances will not share a physical host with instances from any other AWS customer?
Dedicated Instances
Unlimited services are available with the AWS Free Tier to new AWS customers for 12 months following their AWS sign-up?
False
Containers contain an entire Operating system?
False, they are smaller than virtual machines
What is defined as the ability for a system to remain operational even if some of the components of that system fail?
Fault Tolerance
______ means the infrastructure has built-in component redundancy and ______ means that resources dynamically adjust to increases or decreases in capacity requirements.
Fault tolerant, elastic and scalable
When are free data transfers applicable across AWS?
Free inbound data transfer for EC2 instances, Free outbound data transfer between AWS services within same region
Economies of Scale result from?
Having hundreds of thousands of customers aggregated in the cloud
Which of the following are NOT benefits of AWS Cloud Computing
High Latency, Multiple Procurement Cycles
Which of the following best describes a system that can withstand some measures of degradation, experiences minimal downtime, and requires minimal human intervention
Highly available
You can use Amazon Elastic File System EFS to:
Implement storage for EC2 instances that multiple virtual machines can access at the same time
Amazon S3 replicates all objects ______?
In multiple availability zones within the same region
There is no charge for which of the following?
Inbound Data Transfer (with some exceptions), Data transfer between services within same AWS region
Which of the following is the responsibility of AWS under the AWS shared responsibility model?
Maintaining physical hardware
Which of the following are best practices to secure your account using AWS IAM?
Manage access to AWS resources, Defining fine-grained access rights
Which of the following are elements of an Auto Scaling group
Maximum size, Desired capacity, Minimum size
AWS highly recommends provisioning your compute resources across _______ availability zones.
Multiple
Amazon Elastic Block Store EBS is recommended when data _______ and _______.
Must be quickly accessible, requiring long term persistence, Requires an encryption solution
You need to allow resources in a sprivate subnet to access the internet. Which of the following must be present to enable this access?
NAT Gateway
Which of the following is an optional security control that can be applied at the subnet layer of a VPC?
Network ACL
AWS pricing model that enables customers to pay for resources on as-needed basis
Pay as you go
Which is not a benefit of cloud computing over on-premises computing?
Pay for racking, stacking and powering servers
Which of the following is not one of the four areas of the Performance Efficiency pillar of the AWS Well-Architected Framework?
Traceability
AWS Organizations enables you to consolidate multiple AWS Accounts so that you can centrally manage them.
True
AWS maintains and owns the network connected hardware required for application services, while you provision what you need?
True
AWS offers some services at no charge, such as Amazon VPC, AWS IAM, Consolidated billing, AWS Elastic Beanstalk, automatic scaling, AWS OpsWorks and AWS CloudFormation. However, you might be charged for other AWS services that you use in conjunction with these.
True
Amazon Simple storage service (S3) is an object storage suitable for the storage of flat files like microsoft word documents, photos, etc?
True
Availability zones within a region are connected through low-latency links?
True
Networking, storage, compute, and database are examples of service categories that AWS offers?
True
True of false? 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
When you create a bucket in amazon S3, it is associated within a specific AWS Region?
True
Which design principles are recommended when considering performance efficiency?
Use serverless architecture , Democratize advanced technologies
Which of the following services is a serverless compute service in AWS?A
WS Lambda
The name of an s# bucket must be unique ______.
Worldwide across all AWS accounts
In Amazon DynamoDB, an attribute is________.
a fundamental data element
With amazon VPC, what is the maximum size IP address range you can have in a VPC?
/16
With amazon VPC, what is the smallest size subnet you can have in a VPC?
/28
You are a solutions architect who works at a large retail company that is migrating its existing infrastructure to AWS. You recommend that they use a custom VPC. When you create a VPC, you assign it to an IPv4 CIDR block of 10.0.1.0/24. How many IP addresses are available?
251 because 5 are reserved
The AWS Well-Architected Framework is organized into how many pillars?
5
Regarding amazon S3 glacier, what is a vault?
A container for storing archives
Which of these statements about availability zones is not true?
A data center can be used for more than one availability zone
Which of the following must be configured on an Elastic Load Balancing load balancer to expect incoming traffic
A listener
What happens when you use Amazon VPC to create a new VPC?
A main route table is created by default
For certain services like EC2 and Amazon RDS you can invest in reserved capacity. What options are available for Reserved Instances?
AURI, NURI, PURI
There is an adult at your company and they need to have a big log of all access to AWS resources in the account. Which of the following services can assist in providing these details?
AWS CloudTrail
Where can a customer go to get more details about Amazon EC2 billing activity that took place 3 months ago?
AWS Cost Explorer
Which component of AWS Global Infrastructure does Amazon CloudFront use to ensure low-latency delivery?
AWS Edge locations
What is the service provided by AWS that enables developers to easily deploy and manage applications in the cloud
AWS Elastic Beanstalk
Which of these are ways to access AWS Services?
AWS Management Console, AWS Command Line Interface (CLI), Software Development Kits (SDKs)
What AWS tool lets you explore AWS Services and create and estimate of the cost of your use cases on AWS?
AWS Pricing Calculator
Which of the following are geographic areas that host two or more availability zones?
AWS Regions
After you move to the AWS Cloud, you want to ensure that the right security settings are put in place.Which online tool can assist in security compliance?
AWS Trusted Advisor
Which of the following must be specified when launching a new Amazon EC2 Windows instance
Amazon Machine Image (AMI), Amazon Instance Type
Which of the following elements are used to create an Amazon EC2 Auto Scaling launch configuration?
Amazon Machine Image (AMI), Instance type, Amazon Elastic Block Store (Amazon EBS), Volumes
Which AWS Cloud service is best suited for analyzing your data by using standard structured query language (SQL) and your existing business intelligence (BI) tools
Amazon Redshift
Which service would you use to send alerts based on Amazon CloudWatch alarms?
Amazon Simple Notification Service (Amazon 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 Elastic Load Balancing offers?
Application Load Balancer, Network Load Balancer, Classic Load Balancer
Which of the following is a principle when designing cloud-based systems?
Assume everything will fail
What are the support plans offered by AWS support?
Basic, developer, business, enterprise
Which of the following should be done by the AWS account root user?
Change AWS support plan
After initial login, what does AWS recommend as the best practice for the AWS account root user?
Delete the access keys of the AWS account root user
What is true about regions?
Each region is located in a separate geographical area, A region is a physical location that has multiple availability zones
As AWS Grows, the cost of doing business is reduced and savings are passed back to the customer with lower pricing. What is this optimization called?
Economies of Scale
How would a system administrator ass an additional layer of login security to a users AWS Management Console?
Enable Multi-factor Authentication
In the shared responsibility model, which of the following are examples of "security IN the cloud"?
Encryption of data at rest and in transit, Security group configurations
AWS Key Management Services (AWS KMS) enables you to assess, audit, and evaluate the configurations of your AWS resources?
False
By default, all data stored in Amazon S3 is viewable by the public
False
Cloud computing provides a simple way to access services, storage and databases over the internet. You own the network-connected hardware required for the services and AWS provisions what you need?
False
Edge locations are only located in the same general area as regions?
False
Private subnets have direct access to the internet?
False
To receive the discounted rate associated with Reserved Instances, you must make a full, upfront payment for the term of the agreement?
False
AWS Trusted Advisor provides insight regarding which five categories of an AWS account?
Performance, Cost optimization security, Fault tolerance, Service limits
When creating an AWS IAM policy, what are the two types of access that can be granted to a user?
Programmatic access, AWS Management, Console access
Which of the following is a measure of your system's ability to provide functionality when desired by the user?
Reliability
Which Amazon EC2 option is best for long-term workloads with predictable usage patterns
Reserved Instances
Which of the following are characteristics of Amazon EC2 Auto Scaling?
Responds to changing conditions by adding or terminating 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 the time. On the last day of the month, the traffic triples. What is the most cost-effective way to handle this pattern?
Run four reserved instances constantly, then add eight on-demand instances on the last day of the month
Which of the following can be used as a storage class for an S3 object lifecycle policy?
S3 Infrequent access, Glacier, S3 standard Access
You need to find an item in Amazon DynamoDB table using an attribute other than item's primary key. Which of the following operations should you use?
Scan
If your project requires monthly reports that iterate through very large amounts of data, which Amazon EC2 purchasing option should you consider?
Scheduled reserved instances
Which of the following can be used to protect Amazon EC2 instances hosted in AWS?
Security Group
In the shared responsibility model, AWS is responsible for providing what?
Security of the Cloud
Which of the following are pillars of the AWS Well-Architected Framework?
Security, Operational Excellence, Cost Optimization
In Elastic Load Balancing, when the load balancing detects an unhealthy target, which of the following are true
Stops routing traffic to that target, Resumes routing traffic when it detects that the target is healthy again, Routes traffic to a healthy target
Which is not a cloud computing model?
System administration as a service