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AWS VPC Peering Worksheet

Total questions: 35

Worksheet time: 20mins

Name
Class
Date
1.

What is VPC Peering used for in AWS?

a)

To connect EC2 instances within the same subnet

b)

To connect two VPCs privately using AWS backbone

c)

To connect a VPC to the internet

d)

To connect on-premises data centers to AWS

2.

VPC Peering connections are established between:

a)

Only VPCs within the same region

b)

VPCs within or across AWS accounts and regions

c)

Only VPCs belonging to the same account

d)

Only public subnets

3.

Which AWS service helps manage VPC Peering connections?

a)

AWS Transit Gateway

b)

AWS Direct Connect

c)

Amazon VPC Console

d)

Route 53

4.

Can a single VPC have multiple peering connections?

a)

No, only one

b)

Yes, but only up to 3

c)

Yes, multiple connections are allowed

d)

Only within the same region

5.

What is the major limitation of VPC Peering?

a)

It supports broadcast traffic

b)

It allows transitive routing between VPCs

c)

It doesn’t support transitive routing

d)

It cannot connect private subnets

6.

Which of the following must not overlap for VPC Peering to be established?

a)

Region names

b)

CIDR blocks

c)

Security groups

d)

IAM policies

7.

VPC Peering traffic is routed over:

a)

The public internet

b)

AWS private global backbone network

c)

VPN tunnels

d)

Direct Connect

8.

After creating a VPC Peering connection, what must be configured next?

4 lines
9.

Which of the following can communicate using VPC Peering?

a)

Instances with public IPs only

b)

Instances in both public and private subnets

c)

Only instances using NAT

d)

Only EC2 instances using Elastic IPs

10.

Which AWS service is an alternative to managing multiple VPC Peerings?

a)

AWS PrivateLink

b)

AWS Transit Gateway

c)

AWS VPN

d)

Direct Connect Gateway

11.

Which of the following routing types is supported by VPC Peering?

a)

Dynamic routing

b)

Static routing only

c)

BGP-based routing

d)

Transitive routing

12.

Can VPC Peering be used to connect VPCs across different AWS accounts?

a)

Yes

b)

No

13.

To enable communication between two peered VPCs, what must be updated?

a)

IAM roles

b)

Network ACLs

c)

Route tables

d)

VPC Flow Logs

14.

VPC Peering supports which type of communication?

a)

One-way

b)

Two-way (bidirectional)

15.

VPC Peering is billed based on:

a)

Number of connections

b)

Data transfer between VPCs

c)

Hourly connection uptime

16.

Which of the following can’t be shared over VPC Peering?

a)

EC2 instances

b)

RDS snapshots

c)

Route 53 private zones

d)

S3 buckets

17.

Which network CIDR overlap condition causes peering creation failure?

a)

/24 overlap

b)

Any CIDR overlap

c)

Same region overlap only

d)

/32 overlap only

18.

Can VPC Peering connect IPv6-enabled VPCs?

a)

Yes

b)

No

19.

How can you monitor traffic between peered VPCs?

a)

CloudWatch Logs

b)

VPC Flow Logs

c)

CloudTrail

d)

IAM Access Analyzer

20.

Who must accept a VPC Peering request if it’s between different AWS accounts?

a)

Requester VPC owner

b)

Accepter VPC owner

c)

AWS Administrator

d)

IAM user automatically

21.

You have two VPCs — one for production and one for testing. You want secure communication without internet exposure. What should you configure?

a)

NAT Gateway

b)

VPC Peering

c)

Internet Gateway

d)

VPN Connection

22.

You created a VPC Peering connection but EC2 instances can’t communicate. What’s the likely cause?

a)

Peering not accepted

b)

Route tables not updated

23.

What is a common issue when connecting VPCs using VPC Peering?

a)

Security group misconfiguration

b)

Route table misconfiguration

c)

Overlapping CIDRs

d)

All of the above

24.

Two VPCs (A and B) are peered. You create a new VPC (C) and want it to access A via B. Will this work?

a)

Yes, automatically

b)

No, because VPC Peering is not transitive

25.

A company needs full-mesh connectivity between four VPCs. What’s the best approach?

a)

Create multiple VPC Peerings (6 total)

b)

Use AWS Transit Gateway

c)

Use a single VPN connection

26.

A company has two departments, HR and Finance, each with its own VPC. HR needs to access the Finance department’s internal payroll API privately. What is the most cost-effective and secure way to achieve this?

a)

Use Internet Gateway and security groups

b)

Create a VPN tunnel between VPCs

c)

Create a VPC Peering connection and update route tables

d)

Use AWS Direct Connect

27.

Your organization uses microservices hosted in different VPCs for scalability. To enable inter-service communication, which AWS feature should be used?

a)

VPC Endpoints

b)

VPC Peering

c)

Elastic Load Balancer

d)

AWS Shield

28.

You have a VPC Peering connection between VPC-A (Production) and VPC-B (Analytics). The Analytics team can access the database in Production, but Production cannot access Analytics data. What’s the likely cause?

a)

Route tables are configured only in VPC-B

b)

VPC CIDR overlap

c)

Security group in Analytics VPC is blocking traffic

d)

Peering request not accepted

29.

Your development team frequently launches temporary VPCs for testing. They need to access an internal API hosted in the main VPC securely and quickly. What’s the best approach?

a)

Create new VPC Peering for each test VPC

b)

Use Transit Gateway to connect all test VPCs to main VPC

c)

Deploy the API publicly

d)

Use AWS Site-to-Site VPN

30.

Two VPCs have a peering connection, and an EC2 instance in VPC-A is unable to connect to an RDS instance in VPC-B using its private IP. What is the first thing you should check?

a)

IAM Role permissions

b)

Route table entries in both VPCs

c)

EC2 key pair configuration

d)

RDS storage type

31.

You are tasked with connecting multiple VPCs for cross-region analytics processing. Which AWS option provides simplified management and optimized network performance?

a)

Multiple VPC Peering connections

b)

Transit Gateway

c)

VPN over the Internet

d)

AWS PrivateLink

32.

You notice that a VPC Peering connection is active, but EC2 instances in both VPCs still can't communicate. What's the most probable cause?

a)

DNS hostnames disabled

b)

Security group or NACL blocking inbound traffic

c)

Route table already configured

d)

Peering expired automatically

33.

A startup wants to share a private API hosted in their AWS account with a partner company securely over AWS backbone. Which service should they use?

a)

VPC Peering

b)

AWS Direct Connect

c)

API Gateway Public Endpoint

d)

Internet Gateway

34.

After setting up inter-region VPC Peering between Mumbai and Singapore, the data transfer bill has unexpectedly increased. What could be the reason?

a)

Peering uses internet data transfer rates

b)

Inter-region VPC Peering incurs cross-region data transfer charges

c)

Misconfigured NAT Gateway

d)

Traffic flowing via public IPs

35.

You are migrating applications to AWS and need to connect your legacy VPC network with new microservice-based VPCs. Your goal is high security, no single point of failure, and centralized management. Which approach fits best?

a)

VPC Peering

b)

Transit Gateway

c)

VPN connection

d)

Elastic IP communication