VPC

Question 1

What is the maximum number of Elastic IP addresses per region?

Answer 1

5

Question 2

What is IPsec?

Answer 2

A protocol suite for securing IP communications by authenticating and encrypting each IP packet of a data stream.

Question 3

Default VPCs are assigned a CIDR range of __________.

Answer 3

172.31.0.0/16

Question 4

What is a peering connection?

Answer 4

It enables you to route traffic via private IP addresses between two peered VPCs.

Question 5

Can I connect to my VPC using a software VPN?

Answer 5

Yes.

Question 6

True or False: An Internet Gateway is not required to establish a hardware VPN connection.

Answer 6

True.

Question 7

The minimum size of a subnet is __________.

Answer 7

/28

(14 IP addresses)

Question 8

Can I attach/detatch one or more ENIs to an EC2 instance while it’s running?

Answer 8

Yes.

Question 9

What is a Virtual Private Gateway?

Answer 9

The Amazon VPC side of a VPN connection.

Question 10

True or False: There are no additional charges for creating and using the VPC itself.

Answer 10

True.

Question 11

What is a Customer Gateway?

Answer 11

Your side of a VPN connection.

Question 12

Does Amazon VPC support multicast or broadcast?

Answer 12

No.

Question 13

Can I detatch the primary interface (eth0) on my EC2 instance?

Answer 13

No, but you can attach/detatch secondary interfaces.

Question 14

How does a hardware VPN connection work with Amazon VPC?

Answer 14

It connects your VPC to your datacenter. Amazon supports IPsec VPN connections.

Question 15

What is the maximum number of VPCs allowed per region?

Answer 15

5

Question 16

What is the maximum number of subnets per VPC?

Answer 16

200

Question 17

What is a VPC Endpoint?

Answer 17

It enables private connectivity to services hosted in AWS (from within your VPC without the need for an Internet Gateway).