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What is the main benefit of using NAT at the network egress?A. To improve public IP address utilizationB. To enable hosts on an external network to access an internal networkC. To improve the security of the internal networkD. To reduce the number of required public IPv4 addresses

Question

What is the main benefit of using NAT at the network egress?A. To improve public IP address utilizationB. To enable hosts on an external network to access an internal networkC. To improve the security of the internal networkD. To reduce the number of required public IPv4 addresses

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Solution

The main benefit of using Network Address Translation (NAT) at the network egress is D. To reduce the number of required public IPv4 addresses.

Here's why:

  1. NAT allows multiple devices on a local network to use one public IP address to access the internet, which conserves the number of public IPv4 addresses needed.

  2. IPv4 addresses are limited and close to exhaustion. By allowing multiple devices to share a single public IP address, NAT significantly reduces the demand for these scarce resources.

  3. While NAT can provide some level of security by hiding internal IP addresses, and it can improve public IP address utilization, these are not its main benefits.

  4. NAT does not enable hosts on an external network to access an internal network. In fact, it does the opposite: it allows hosts on an internal network to access an external network (the internet).

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Similar Questions

What is the purpose of Network Address Translation (NAT) A. To translate addresses between private and public IP address realms. B. To relieve the problem of IP address shortage. C. To connect a private network to the Internet. D. To provide communication between private networks and the Internet.

Which of these best describes the purpose of NAT?Enables hosts with private IP addresses to access the internetDynamically assigns IP addressesEnables multicastingTranslates between IP addresses and domains

Define NAT (Network Address Translation) and explain its significance in modern networking.

Why is NAT not needed in IPv6?​Group of answer choicesBecause IPv6 has integrated security, there is no need to hide the IPv6 addresses of internal networks.The problems that are induced by NAT applications are solved because the IPv6 header improves packet handling by intermediate routers.The end-to-end connectivity problems that are caused by NAT are solved because the number of routes increases with the number of nodes that are connected to the Internet.Any host or user can get a public IPv6 network address because the number of available IPv6 addresses is extremely large.

What is the purpose of private IP addresses? A. To be used on external networks and hosts. B. To differentiate between different classes of IP addresses. C. To relieve the problem of IP address shortage. D. To be used on public networks and hosts.

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