Elastic IP addresses in AWS - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to allocate a new Elastic IP address using AWS CLI.

AWS

aws ec2 allocate-address --domain [1]

Drag options to blanks, or click blank then click option'

Aclassic

Bvpc

Cinternet

Dprivate

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'classic' domain when your account uses VPC only.

Using invalid domain names like 'internet' or 'private'.

The vpc domain is used to allocate Elastic IPs for VPCs, which is the modern and common setup.

2fill in blank

medium

Complete the code to associate an Elastic IP address with an instance using AWS CLI.

AWS

aws ec2 associate-address --instance-id [1] --allocation-id eipalloc-12345678

Drag options to blanks, or click blank then click option'

Aeipalloc-87654321

Bsg-1234abcd

Csubnet-1234abcd

Di-0a1b2c3d4e5f6g7h8

Attempts:

3 left

💡 Hint

Common Mistakes

Using allocation ID instead of instance ID for --instance-id.

Using subnet or security group IDs instead of instance ID.

The instance-id requires the EC2 instance identifier, which starts with 'i-'.

3fill in blank

hard

Fix the error in the command to release an Elastic IP address.

AWS

aws ec2 release-address --allocation-id [1]

Drag options to blanks, or click blank then click option'

Aeipalloc-12345678

Beip-12345678

Ci-12345678

Dsubnet-12345678

Attempts:

3 left

💡 Hint

Common Mistakes

Using public IP (eip-) instead of allocation ID (eipalloc-).

Using instance or subnet IDs instead of allocation ID.

The allocation-id for releasing an Elastic IP starts with 'eipalloc-'.

4fill in blank

hard

Fill both blanks to create a tag for an Elastic IP address using AWS CLI.

AWS

aws ec2 create-tags --resources [1] --tags Key=[2],Value=Production

Drag options to blanks, or click blank then click option'

Aeipalloc-1a2b3c4d

Bi-1a2b3c4d

CName

DEnvironment

Attempts:

3 left

💡 Hint

Common Mistakes

Using instance ID instead of allocation ID for resources.

Using invalid tag keys.

You tag the Elastic IP using its allocation ID and a key like 'Name' to identify it.

5fill in blank

hard

Fill all three blanks to describe the correct AWS CLI command to disassociate an Elastic IP address.

AWS

aws ec2 disassociate-address --[1] [2] --region [3]

Drag options to blanks, or click blank then click option'

Aassociation-id

Beipassoc-1234abcd

Cus-east-1

Dallocation-id

Attempts:

3 left

💡 Hint

Common Mistakes

Using allocation-id instead of association-id for disassociation.

Omitting the region parameter.

To disassociate an Elastic IP, you use the association-id with its value and specify the region.