Day 6: EBS - AMI - EFS

___ is a supported and maintained image provided by AWS that provides the information required to launch an instance. You must specify it when you launch an instance

• Instance Storage
• AMI
• EFS
• EBS

___ provides block level storage volumes for use with EC2 instances. It behave like raw, unformatted block devices

• Instance Storage
• AMI
• EFS
• EBS

Which of the following configuration details cannot be changed on an existing EC2 instance?

• AMI
• EBS Root volume
• Security group
• Public IP address

Which EBS volume type suit for data that is infrequently accessed and scenarios where the lowest storage cost is important?

• Cold HDD
• Throughput-optimized HDD
• General-purpose SSD
• Provisioned-IOPS SSD

Which of the following EBS options will you need to keep your data-hungry application that requires up to 20,000 IOPS happy?

• Cold HDD
• Throughput-optimized HDD
• General-purpose SSD
• Provisioned-IOPS SSD

Which of the following are benefits of instance store volumes? (Choose two.)

• Instance volumes are physically attached to the server that’s hosting your instance, allowing faster data access.

• Instance volumes can be used to store data even after the instance is shut down.
• The use of instance volumes does not incur costs (beyond those for the instance itself).
• You can set termination protection so that an instance volume can’t be accidentally<br />shut down.
• Instance volumes are commonly used as a base for the creation of AMIs

Which three attributes of an incoming data packet are used by a security group to determine whether it should be allowed through?

• Network port
• Source address
• Datagram header size
• Network protocol
• Destination address

How are IAM roles commonly used to ensure secure resource access in relation to EC2 instances? (Choose two.)

• A role can assign processes running on the EC2 instance itself permission to access other AWS resources.

• A user can be given permission to authenticate as a role and access all associated resources.

• A role can be associated with individual instance-based processes (Linux instances only), giving them permission to access other AWS resources.

• A role can give users and resources permission to access the EC2 instance.

Which EBS volume type support multi-attach?

• Cold HDD
• Throughput-optimized HDD
• General-purpose SSD
• Provisioned-IOPS SSD

Which is FALSE ?

• You can mount multi EBS volumes to an EC instance
• You can mount an EBS to multi EC instances
• An EBS volume doesn't have to be attached to any EC2 instance
• An EBS volume must be attached to an EC2 instance