- A
VPC: A virtual network dedicated to your AWS account.
A VPC (Virtual Private Cloud) is a logically isolated section of AWS where you can launch resources.
- B
Subnet: A segment of a VPC's IP address range.
Subnets allow you to partition your VPC into smaller networks, typically for public or private use.
- C
Internet Gateway: A horizontally scaled, redundant, and highly available VPC component that allows communication between your VPC and the internet.
An Internet Gateway enables resources in a VPC to connect to the internet and receive inbound traffic.
- D
Security Group: A virtual firewall that controls inbound and outbound traffic for one or more instances.
Security Groups act at the instance level, allowing you to specify allowed traffic rules.
- E
VPC: A service that provides a dedicated physical network for your account.
Why wrong: Incorrect — VPC is a virtual network, not a physical one. This describes a hypothetical dedicated physical network.
- F
Internet Gateway: Allows instances in a private subnet to access the internet.
Why wrong: Incorrect — this describes a NAT Gateway, not an Internet Gateway. Internet Gateway is used for public subnets.
SAP-C02 Practice Question: Accelerate Workload Migration and Modernization
This SAP-C02 practice question tests your understanding of accelerate workload migration and modernization. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
Match each AWS networking concept to its definition.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
VPC: A virtual network dedicated to your AWS account.
A VPC is a logically isolated virtual network. Subnets are subdivisions of the VPC. An Internet Gateway provides internet access to public subnets, while a NAT Gateway provides outbound internet access to private subnets. Security Groups control instance-level traffic.
Key principle: Count usable hosts — not total addresses — and remember that the network and broadcast addresses are not available to hosts in standard IPv4 subnets.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
VPC: A virtual network dedicated to your AWS account.
Why this is correct
A VPC (Virtual Private Cloud) is a logically isolated section of AWS where you can launch resources.
Related concept
CIDR notation defines the prefix length.
- ✓
Subnet: A segment of a VPC's IP address range.
Why this is correct
Subnets allow you to partition your VPC into smaller networks, typically for public or private use.
Related concept
CIDR notation defines the prefix length.
- ✓
Internet Gateway: A horizontally scaled, redundant, and highly available VPC component that allows communication between your VPC and the internet.
- ✓
Security Group: A virtual firewall that controls inbound and outbound traffic for one or more instances.
Why this is correct
Security Groups act at the instance level, allowing you to specify allowed traffic rules.
Related concept
CIDR notation defines the prefix length.
- ✗
VPC: A service that provides a dedicated physical network for your account.
Why it's wrong here
Incorrect — VPC is a virtual network, not a physical one. This describes a hypothetical dedicated physical network.
- ✗
Internet Gateway: Allows instances in a private subnet to access the internet.
Common exam traps
Common exam trap: usable hosts are not the same as total addresses
Subnetting questions often tempt you into counting all addresses. In normal IPv4 subnets, the network and broadcast addresses are not usable host addresses.
Detailed technical explanation
How to think about this question
Subnetting questions test whether you can identify the network, broadcast address, usable range, mask and correct subnet. Slow down enough to calculate the block size correctly.
KKey Concepts to Remember
- CIDR notation defines the prefix length.
- Block size helps identify subnet boundaries.
- Network and broadcast addresses are not usable hosts in normal IPv4 subnets.
- The required host count determines the smallest suitable subnet.
TExam Day Tips
- Write the block size before choosing the subnet.
- Check whether the question asks for hosts, subnets or a specific address range.
- Do not confuse /24, /25, /26 and /27 host counts.
Key takeaway
Count usable hosts — not total addresses — and remember that the network and broadcast addresses are not available to hosts in standard IPv4 subnets.
Real-world example
How this comes up in practice
A company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.
Visual reference
What to study next
Got this wrong? Here's your next step.
Review block sizes, usable host formulas (2^n − 2), and how to find network and broadcast addresses for /24 through /30. Then practise related SAP-C02 subnetting questions on CIDR, address ranges, and subnet selection.
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Accelerate Workload Migration and Modernization — study guide chapter
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FAQ
Questions learners often ask
What does this SAP-C02 question test?
Accelerate Workload Migration and Modernization — This question tests Accelerate Workload Migration and Modernization — CIDR notation defines the prefix length..
What is the correct answer to this question?
The correct answer is: VPC: A virtual network dedicated to your AWS account. — A VPC is a logically isolated virtual network. Subnets are subdivisions of the VPC. An Internet Gateway provides internet access to public subnets, while a NAT Gateway provides outbound internet access to private subnets. Security Groups control instance-level traffic.
What should I do if I get this SAP-C02 question wrong?
Review block sizes, usable host formulas (2^n − 2), and how to find network and broadcast addresses for /24 through /30. Then practise related SAP-C02 subnetting questions on CIDR, address ranges, and subnet selection.
What is the key concept behind this question?
CIDR notation defines the prefix length.
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Last reviewed: Jun 11, 2026
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