III part Cloud

Which statement accurately describes how amazon EC2 auto scaling is used?

Not D

Not C

• Amazon EC2 Auto scaling is useful for predictable workloads

• Amazon EC2 Auto scaling allows an application to automatically add resources, but it can't automatically scale them back down

• Amazon EC2 Auto scaling is useful for dynamic, unpredictable workloads but doesn't add much value for predictable workloads

• The size of an Amazon EC2 Auto Scaling group will scale up and down automatically based on its configuration and the number of instances cant be manually adjusted

Which statements about AWS identity and Access Management (IAM) policies are accurate (SELECT TWO)

• Access control lists (ACLs) are a form of resource-based policies

• Resource-based policies allow access by default

• Identity-based policies can only be attached to a single entity

• Identity-based policies are attached to a user, group, or role

• Resoure-based policies are attached to a user, group or role

Which scenario describes a use case for AWS CloudTrail?

• A developer wants to control user logins to their website

• A systems administrator wants to protect their web application from denial of service attacks

• An account administrator wants to centrally control access permissions for groups of accounts

• An account administrator wants the ability to track user activity on their account

What role do security groups play in managing access to Amazon EC2 Instances?

• Security groups define the AWS IAM roles that can access an instance

• Security groups provide a set of rules to control traffic to or from an instance

• Security groups identify the public and private keys required to connect to an Amazon EC2 instance

• Security groups control inbound access to the subnet that an Amazon EC2 is associate

Which statement about Amazon Elastic Block Store (Amazon EBS) is true?

• Amazon EBS volumes are automatically replicated across multiple Availability Zones

• Amazon EBS volumes persist independently from the Amazon EC2 instances that they're attached to

• Amazon EBS volumes can't be resized

• Amazon EBS volumes aren't recommended for storage that requires frequent updating

Which scenario should be addressed with a Network Load Balancer:

• A solution must load balance millions of requests per second while maintaining low latency

• A solution load balance incoming gRPC requests

• A solution must route traffic at the Open Systems Interconnection (OSI) model layer 7.

• A solution must support routing traffic to a containerized application basaed on the contents of incoming requests

What are advantages of cloud computing for a company moving from a traditional on-premises computing model? (CHOOSE 2)

• Resources can be created, scaled up, scaled down, or destroyed based on demand

• All on-premises server licenses can be easily transferred and managed centrally in the cloud

• IT teams can make capacity decisions before deplying applications so that they always have excess capacity

• The company can focus less on infrastructure and focus more on differentiating the business

• The company can invest in more fixed (capital) expenses and reduce their variable expenses

Which statement accurately describes how customers can use AWS support?

• Customers should contact their Support Concierge to provide quick and efficient technical support

• Customers must choose one of three support plans: Basic Support, Business Support, and Enterprise Support

• Customers are assigned a Technical Account Manager (TAM) for all AWS Support plans

• Customers can get AWS Support for both experimental non-production accounts and for business-critical production accounts

A developer is testing a prototype on Amazon EC2. The instances are terminated after testing, but the application requires uninterrupted compute while processing. Which type of Amazon EC2 instance pricing meets the need at the lowest cost?

• On-Demand Instance

• Spot Instance

• Scheduled Reserved Instance

• Reserved Instance

Which pieces of information MUST be configured for the Amazon EC2 instances that will be part of an Amazon EC2 Auto Scaling group? (Select TWO).

• ID of an Amazon Machine Image (AMI)

• Storage Volume

• Amazon EC2 Auto Scaling group metrics

• Network access control list (ACL)

• Amazon EC2 instance type