VPC Fundamentals for AWS Cloud Practitioner
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Questions and Answers

What is the primary difference between a public subnet and a private subnet?

  • The type of instances that can be launched in them
  • The route to the internet gateway (correct)
  • The number of Availability Zones they can be created in
  • The size of their CIDR blocks

What is a key benefit of using VPC peering connections?

  • Reduced network complexity
  • Low-latency and high-availability connections (correct)
  • Higher data transfer charges
  • Increased security risks

What is the purpose of a route table in a VPC?

  • To control traffic at the subnet level
  • To create a network ACL
  • To determine where network traffic is directed (correct)
  • To define a set of rules for security groups

What is a characteristic of network ACLs?

<p>They are stateless, not tracking the state of a connection (C)</p> Signup and view all the answers

What is the order of evaluation when it comes to network ACLs and security groups?

<p>Network ACLs are evaluated first, followed by security groups (C)</p> Signup and view all the answers

What is a key difference between a subnet and a VPC?

<p>A subnet is a segment of a VPC's IP address range (B)</p> Signup and view all the answers

What is the purpose of a security group?

<p>To control traffic to and from an instance (B)</p> Signup and view all the answers

What is a requirement for subnets in a VPC?

<p>Each subnet must have a unique CIDR block (D)</p> Signup and view all the answers

What is an advantage of creating subnets in different Availability Zones?

<p>High availability (D)</p> Signup and view all the answers

What is a key benefit of using route tables?

<p>They can be customized to control traffic flow between subnets and the internet (B)</p> Signup and view all the answers

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