Default VPC overview in AWS - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to describe the default VPC CIDR block.

AWS

The default VPC uses the CIDR block [1].

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

A10.0.0.0/16

B192.168.1.0/24

C172.31.0.0/16

D192.168.0.0/16

Attempts:

3 left

💡 Hint

Common Mistakes

Confusing default VPC CIDR with common private IP ranges like 10.0.0.0/16.

Using a smaller subnet mask like /24 instead of /16.

The default VPC in AWS uses the CIDR block 172.31.0.0/16.

2fill in blank

medium

Complete the code to identify the default VPC's subnet type.

AWS

The default VPC contains [1] subnets in each Availability Zone.

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

Apublic

Bisolated

Cprivate

DVPN-only

Attempts:

3 left

💡 Hint

Common Mistakes

Thinking default subnets are private or isolated.

Confusing subnet types with VPN configurations.

The default VPC has public subnets in each Availability Zone.

3fill in blank

hard

Fix the error in the statement about the default VPC's internet gateway.

AWS

The default VPC [1] an internet gateway attached by default.

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

Adoes not have

Bhas

Cmay have

Drequires

Attempts:

3 left

💡 Hint

Common Mistakes

Assuming the internet gateway must be manually attached.

Confusing 'may have' with guaranteed default behavior.

The default VPC always has an internet gateway attached by default.

4fill in blank

hard

Fill both blanks to complete the default VPC route table configuration.

AWS

The default route table has a route where destination is [1] and target is [2].

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

A0.0.0.0/0

Blocal

Cigw-12345678

Dvpc-12345678

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'local' as the destination instead of 0.0.0.0/0.

Confusing VPC ID with internet gateway ID as route target.

The default route table routes all traffic (0.0.0.0/0) to the internet gateway (igw-12345678).

5fill in blank

hard

Fill in the blank to describe the default VPC's security group rules.

AWS

The default security group allows inbound traffic from [1].

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

A0.0.0.0/0

B22

Ctcp

Dthe security group itself

Attempts:

3 left

💡 Hint

Common Mistakes

Assuming inbound traffic is allowed from anywhere (0.0.0.0/0) by default.

Confusing port numbers or protocols.

The default security group allows inbound traffic from the security group itself on all ports and protocols, enabling instances in the same group to communicate.