Cloud Networking (Cloud+) VPC & Subnets Quiz

1. What is the function of a NAT Gateway in a cloud VPC?

Allow private instances to initiate outbound connections to the internet

Automatically scale compute resources based on demand

Encrypt traffic between subnets within a VPC

Balance incoming traffic across multiple instances

2. What is the primary advantage of using multiple availability zones for cloud resources?

Reduced costs by consolidating resources

Increased availability and fault tolerance

Simplified network configuration

Faster data transfer speeds

3. In a multi-tier cloud architecture, which subnet should contain web servers requiring internet access?

Private subnet

Public subnet

Management subnet

DMZ subnet only

4. Which component allows communication between a VPC and the internet?

Virtual Private Gateway

Internet Gateway

Network Interface

Elastic IP Address

5. True or False: Security Groups are stateful, meaning return traffic is automatically allowed.

True

False

Submit

7. What is the maximum number of VPCs allowed per AWS account by default?

5

10

20

Unlimited

8. Which of the following is a valid use case for a bastion host in a cloud VPC?

Secure administrative access to private instances

Automatically backup all database files

Distribute incoming traffic evenly across instances

Monitor real-time network packet flows

9. True or False: VPC peering connections can be established across different cloud providers.

True

False

Submit

11. What is the primary purpose of a Virtual Private Cloud (VPC)?

Create an isolated network environment within a cloud provider's infrastructure

Directly connect on-premises data centers to the internet

Replace traditional firewalls with cloud-based security

Automatically encrypt all data in transit across the cloud

12. A VPN connection between a cloud VPC and an on-premises network is encrypted at which layer?

Data Link Layer (Layer 2)

Network Layer (Layer 3)

Transport Layer (Layer 4)

Application Layer (Layer 7)

13. Which routing protocol is commonly used to advertise routes in cloud hybrid environments?

BGP (Border Gateway Protocol)

OSPF (Open Shortest Path First)

RIP (Routing Information Protocol)

EIGRP (Enhanced Interior Gateway Routing Protocol)

14. What does a Network Access Control List (NACL) operate at?

Instance level with stateful filtering

Subnet level with stateless filtering

VPC level with stateful filtering

Router level with stateless filtering

15. True or False: A private subnet can never communicate with resources outside the VPC.

True

False

Submit

17. Which component controls inbound and outbound traffic at the instance level?

Network Access Control List (NACL)

Security Group

Route Table

Internet Gateway

18. What is VPC peering primarily used for?

Connect two VPCs directly without routing through the internet

Load-balance traffic across multiple availability zones

Encrypt all communication between cloud instances

Monitor network performance and latency metrics

19. A subnet with CIDR notation /28 allows how many usable host IP addresses?

4

8

14

16

20. Which CIDR block would provide the most IP addresses for a large enterprise VPC?

10.0.0.0/24

10.0.0.0/16

10.0.0.0/8

10.0.0.0/32

Cloud Network Quiz: Can You Master VPC, Subnets & Peering?

1. What is the function of a NAT Gateway in a cloud VPC?

2.

What first name or nickname would you like us to use?

2. What is the primary advantage of using multiple availability zones for cloud resources?

3. In a multi-tier cloud architecture, which subnet should contain web servers requiring internet access?

4. Which component allows communication between a VPC and the internet?

5. True or False: Security Groups are stateful, meaning return traffic is automatically allowed.

6. A route table determines how packets are ____ within a VPC or to external networks.

7. What is the maximum number of VPCs allowed per AWS account by default?

8. Which of the following is a valid use case for a bastion host in a cloud VPC?

9. True or False: VPC peering connections can be established across different cloud providers.

10. An availability zone is a ____ location within a cloud region.

11. What is the primary purpose of a Virtual Private Cloud (VPC)?

12. A VPN connection between a cloud VPC and an on-premises network is encrypted at which layer?

13. Which routing protocol is commonly used to advertise routes in cloud hybrid environments?

14. What does a Network Access Control List (NACL) operate at?

15. True or False: A private subnet can never communicate with resources outside the VPC.

16. A public subnet must have a route to an ____ to allow instances to communicate with the internet.

17. Which component controls inbound and outbound traffic at the instance level?

18. What is VPC peering primarily used for?

19. A subnet with CIDR notation /28 allows how many usable host IP addresses?

20. Which CIDR block would provide the most IP addresses for a large enterprise VPC?