Network Address Translation (NAT) to configure two servers to have the same public IP address. NAT is a technology that allows multiple devices on a private network to share a single public IP address.

Virtual IP

In the context of the question, where two servers need to have the same public IP address, NAT (Network Address Translation) would not be the best fit. NAT is typically used to map multiple private IP addresses to a single public IP address (or a few public IP addresses) for internet access, but it doesn't inherently provide a mechanism for two servers to share the same public IP address in a way that allows them to be individually addressable from the outside. On the other hand, a Virtual IP (VIP) address, often used in conjunction with load balancers, allows multiple servers to appear as if they are a single entity with one public IP address. Incoming traffic to the VIP is then distributed to the backend servers based on load balancing rules. This setup is more aligned with the requirement of having two servers share the same public IP address while still being able to individually handle requests.

I'm going with B: VIP because the question is implying the configuration is for servers specifically, not a LAN.

NAT is what translates the public ip address to the private ip address of the device. VIP (Virtual IP Address) is what can be used to display the same public ip address. Thats my understanding

Network Address Translation (NAT) is a networking technique that allows multiple devices on a private network to share a single public IP address

Answer is B. VIP (Virtual IP) NAT allows multiple devices on a local network to share a single public IP address. However, it does not inherently provide the ability for two servers to have the same public IP address.

NAT because its talking about public IP addresses. this is not a load balancing question, its a matter of giving them a PUBLIC ip. if it didnt say public sure i'd go with VIP, but it because it mentions public, im going A.

NAT (Network Address Translation): NAT is commonly used to translate private IP addresses to a single public IP. However, it doesn’t directly address the scenario of multiple servers sharing the same public IP. VIP (Virtual IP): VIPs are often used in load balancers. They allow multiple servers to share a single IP address, distributing incoming traffic among them. This is a suitable choice for achieving the desired outcome.

While NAT is commonly used for translating IP addresses for internet access, VIP is the preferred technology when multiple servers need to share the same public IP address for redundancy or load balancing purposes.

https://serverfault.com/questions/120618/how-to-host-many-websites-using-same-public-ip-address-but-different-domains

key part of the question to focus on here is 'same public IP' so the answer has to be A. IMO.

NAT allows you to change your private IP address & translate it to an alternative public facing address, you can also configure multiple servers to use one public IP address through NAT, when this was invented, it allowed more IP addresses to be able to reach out to the Internet from big cities. VIPs can include NAT services including a one-to-many Network Area Translation (NAT), which may also be referred to as Port Area Translation, is a networking service that allows one static public IP address (the “one”) to be accessed by many private IP addresses (the “many”), allowing communication between multiple devices on different subnets. RFC 1918 was used to create the standards by which networking equipment assigns IP addresses in a private network. A private network can use a single public IP address. The RFC reserves the following ranges of IP addresses that cannot be routed on the Internet: 10.0. 0.0 - 10.255.

Configuring two servers to have the same public IP addresses is typically achieved using: B. VIP (Virtual IP) Virtual IP (VIP) is a method where multiple servers share the same public IP address, and a load balancer or similar device routes traffic to the appropriate server based on load balancing algorithms or other criteria. VIP allows for high availability and scalability, distributing incoming requests across multiple servers to ensure efficient resource utilization and fault tolerance. NAT (Network Address Translation) is not the optimal solution in this context, as it is commonly used for translating private IP addresses to a single public IP address. DNS caching, RFC 1918 (which defines private IP address ranges), and SDWAN (Software-Defined Wide Area Network) are not directly related to the scenario of configuring two servers with the same public IP addresses.

Configuring two servers to have the same public IP addresses typically involves a technology known as B. VIP (Virtual IP). A Virtual IP (VIP) is an IP address that is not assigned to a specific physical network interface but is instead managed by software. In the context of server configuration, a VIP allows multiple servers to share the same public IP address. This is often achieved through load balancers or other networking devices that manage incoming traffic and distribute it among the servers based on predefined rules.

NAT can be used to map multiple private (internal) IP addresses to a single public IP address. This is often done in home or small office networks where multiple devices share a single public IP. However, it doesn't exactly make the servers have the same public IP address but allows them to share one for outgoing connections.

it is B