Which of the following are shared controls that apply to both AWS and the customer?

In AWS’s Shared Responsibility Model is the concept that AWS and the customer share responsibilities for security and compliance of Amazon Web Services.  This allows AWS to support the customer by taking on the burden of operations control associated with the physical infrastructure so the customer can focus on securing and producing within the context of software.

AWS is responsible for security OF the cloud.
The customer is responsible for security IN the cloud.

Which of the following are shared controls that apply to both AWS and the customer?

(AWS Shared Responsibility Model)

AWS’s Responsibility

AWS is responsible for protecting the AWS infrastructure for all services that run on the AWS Cloud.  This can be hardware, software, networking, and facilities that help run the AWS Cloud.

Some services under AWS’s responsibility to secure are Compute, Storage, Database, Networking, and global infrastructures such as Regions, Availability Zones, and Edge Locations.

Customer’s Responsibility

The customer’s responsibility is determined by the services the customer uses, as the type of service determines the amount of configuration he must perform to help secure the system.

These include customer data, OS, network, firewall configuration, client-side data, encryption and data integrity, and server-side encryption.  Identity Access Management (IAM) is an important part as well.

As Kate says in the video below, there’s nothing AWS can do to protect you if you leave your door unlocked!

Shared Responsibility Model: Lock Your Door!

Good question to ask is: “Can I log in and adjust the security settings?” If yes, then it’s your responsibility.  If not, then it’s AWS’s responsibility.

Fully Controlled by AWS

  • Physical and Environmental Controls

Shared Controls

AWS provides requirements for infrastructure and customer provides own control implementation.

  • Patch Management: AWS patches and fixes flaws within the infrastructure; customers patch OS and applications
  • Configuration Management: AWS configures infrastructure devices; customers patch OS and applications
  • Awareness & Training: AWS trains AWS employees; customer trains its own employees

Fully Controlled by Customer

  • Service & Communications Protection/Zone Security: Customer routes or zones data within specific security environments

Resources

  • Shared Responsibility Model (AWS)
  • AWS Shared Responsibility Model (AWS Blog)

Question 71

According to the AWS shared responsibility model, who is responsible for managing IAM user access and secret keys?
(Security and compliance within the AWS Cloud)

IAM access and secret keys are static, so there is no need to rotate them.

The customer is responsible for rotating keys.

AWS will rotate the keys whenever required.

The AWS Support team will rotate keys when requested by the customer.

Answer is The customer is responsible for rotating keys.

The customer is responsible for IAM user access and secret keys.


Question 72

Who is accountable for security and compliance under the AWS shared responsibility model?
(Security and compliance within the AWS Cloud)

The customer is responsible.

AWS is responsible.

AWS and the customer share responsibility.

AWS shares responsibility with the relevant governing body.

Answer is AWS and the customer share responsibility.

Security and Compliance is a shared responsibility between AWS and the customer. This shared model can help relieve the customer's operational burden as AWS operates, manages and controls the components from the host operating system and virtualization layer down to the physical security of the facilities in which the service operates.

Reference:
https://aws.amazon.com/compliance/shared-responsibility-model/


Question 73

What is the customer's responsibility while using Amazon RDS?
(Security and compliance within the AWS Cloud)

Patching and maintenance of the underlying operating system.

Managing automatic backups of the database.

Controlling network access through security groups.

Replacing failed instances in the event of a hardware failure.

Answer is Controlling network access through security groups.

Use security groups to control what IP addresses or Amazon EC2 instances can connect to your databases on a DB instance. When you first create a DB instance, its firewall prevents any database access except through rules specified by an associated security group.

Reference:
https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/UsingWithRDS.html


Question 74

Which of the following operational controls do users completely inherit from AWS as part of the AWS shared responsibility model?
(Security and compliance within the AWS Cloud)

Security management of data center

Patch management

Configuration management

User and access management

Answer is Security management of data center

the question is asking what control was AWS FULLY in control of and then the customer inherit full control. All the choices are either shared control or fully under the customer to begin with and A being the only full AWS control. So A is the answer.

Reference:
https://aws.amazon.com/compliance/shared-responsibility-model/


Question 75

All AWS users have access to which AWS Trusted Advisor check?
(Security and compliance within the AWS Cloud)

Core checks

All checks

Cost optimization checks

Fault tolerance checks

Answer is Core checks

What does Trusted Advisor check?

Trusted Advisor includes an ever-expanding list of checks in the following four categories:
Cost Optimization – recommendations that can potentially save you money by highlighting unused resources and opportunities to reduce your bill.
Security – identification of security settings that could make your Amazon Web Services solution less secure.
Fault Tolerance – recommendations that help increase the resiliency of your Amazon Web Services solution by highlighting redundancy shortfalls, current service limits, and overutilized resources.
Performance – recommendations that can help to improve the speed and responsiveness of your applications.

Reference:
https://www.amazonaws.cn/en/support/trustedadvisor/faq/#checks


Question 76

Which of the following is an example of security in the AWS Cloud under the AWS shared responsibility model?
(Security and compliance within the AWS Cloud)

Managing edge locations

Physical security

Firewall configuration

Global infrastructure

Answer is Firewall configuration

The AWS Shared Responsibility Model – This specifies that AWS is responsible for security of the Cloud while the customer is responsible for security 'in' the Cloud.
Customer’s Responsibility – Patching the OS running on EC2 instances; creating security groups; configuring the firewall; managing user accounts, access rights, and permissions; securing AMIs; and encrypting data at the client and server side.


Question 77

Permissions for which of the following are managed by service control policies (SCPs)?
(Security and compliance within the AWS Cloud)

Availability Zones

AWS Regions

AWS Organizations

Edge locations


Question 78

According to the AWS shared responsibility model, which job is shared between AWS and the customer?
(Security and compliance within the AWS Cloud)

Physical and environmental controls

Server hardware management and encryption

Application security

Patch management and configuration management

Answer is Patch management and configuration management

Shared Controls: Controls which apply to both the infrastructure layer and customer layers, but in completely separate contexts or perspectives. In a shared control, AWS provides the requirements for the infrastructure and the customer must provide their own control implementation within their use of AWS services. Examples include:

Patch Management – AWS is responsible for patching and fixing flaws within the infrastructure, but customers are responsible for patching their guest OS and applications.
Configuration Management – AWS maintains the configuration of its infrastructure devices, but a customer is responsible for configuring their own guest operating systems, databases, and applications.
Awareness & Training - AWS trains AWS employees, but a customer must train their own employees.

Reference:
https://aws.amazon.com/compliance/shared-responsibility-model/


Question 79

Which duty is the customer's responsibility while administering AWS Lambda functions under the AWS shared responsibility model?
(Security and compliance within the AWS Cloud)

Creating versions of Lambda functions

Maintaining server and operating systems

Scaling Lambda resources according to demand

Updating the Lambda runtime environment


Question 80

Which of the following is a duty of the client under the AWS shared responsibility model? (Select two.)
(Security and compliance within the AWS Cloud)

Decommissioning of physical storage devices

Security group and ACL configuration

Patch management of an Amazon RDS instance operating system

Controlling physical access to data centers

Patch management of an Amazon EC2 instance operating system

Answers are;
Security group and ACL configuration
E. Patch management of an Amazon EC2 instance operating system

Customers that deploy an Amazon EC2 instance are responsible for management of the guest operating system (including updates and security patches), any application software or utilities installed by the customer on the instances, and the configuration of the AWS-provided firewall (called a security group) on each instance. For abstracted services, such as Amazon S3 and Amazon DynamoDB, AWS operates the infrastructure layer, the operating system, and platforms, and customers access the endpoints to store and retrieve data.

Reference:
https://aws.amazon.com/compliance/shared-responsibility-model/


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Quick access to all questions in this exam

Which controls are shared under the AWS shared responsibility model?

Just as the responsibility to operate the IT environment is shared between AWS and its customers, the management, operation, and verification of IT controls is also a shared responsibility. AWS can help customers by managing those controls associated with the physical infrastructure deployed in the AWS environment.

What is the example of AWS shared controls?

Examples of shared controls include: Patch Management – AWS is responsible for patching and fixing flaws within the infrastructure, but customers are responsible for patching their guest OS and applications.

Which of the following are aspects of the AWS shared responsibility model?

Shared Responsibility..
Incident Response in the Cloud..
Cloud Security Incidents. Incident Domains. Indicators of Cloud Security Events..
Understanding Cloud Capabilities. Data Privacy. AWS Response to Abuse and Compromise..

Which of the following are the direct responsibility of AWS instead of the customer?

Infrastructure management and configuration is the responsibility of AWS. However, Configuration management and patching of the virtual machines and the applications is the customer's responsibility.