NAT Quiz

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Questions and Answers

Which two statements accurately describe an advantage or a disadvantage when deploying NAT for IPv4 in a network? (Choose two.)

NAT adds authentication capability to IPv4.
NAT causes routing tables to include less information.
NAT provides a solution to slow down the IPv4 address depletion. (correct)
NAT improves network security.

What is the purpose of NAT for IPv4?

To conserve private IP addresses.
To provide a level of security for public IP addresses.
To translate public IP addresses to private IP addresses.
To translate private IP addresses to public IP addresses. (correct)

What is a disadvantage of deploying NAT for IPv4 in a network?

NAT adds authentication capability to IPv4.
NAT introduces problems for some applications that require end-to-end connectivity. (correct)
NAT provides a solution to slow down the IPv4 address depletion.
NAT improves packet handling.

What are the advantages of NAT?

Conserving public IP addresses and providing a level of security. (B) Signup and view all the answers

What is an advantage of deploying NAT for IPv4 in a network?

NAT provides a solution to slow down the IPv4 address depletion. (C) Signup and view all the answers

What are the disadvantages of NAT?

Potential performance issues and difficulties with peer-to-peer applications. (A) Signup and view all the answers

What is the difference between static NAT and dynamic NAT?

Static NAT requires mapping a specific private IP address to a specific public IP address, while dynamic NAT assigns public IP addresses from a pool as needed (C) Signup and view all the answers

What is the purpose of PAT?

To allow multiple devices to share a single public IP address. (A) Signup and view all the answers

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Study Notes

NAT for IPv4 is used to translate private IP addresses to public IP addresses.
Advantages of NAT include conserving public IP addresses and providing a level of security.
Disadvantages of NAT include potential performance issues and difficulties with peer-to-peer applications.
Static NAT requires mapping a specific private IP address to a specific public IP address.
Dynamic NAT assigns public IP addresses from a pool as needed.
NAT64 allows communication between IPv6 and IPv4 networks.
PAT allows multiple devices to share a single public IP address.
NAT is not needed in IPv6 due to the abundance of available addresses.
NAT can be performed by a router or firewall.
NAT can be configured using various commands and configurations.