Why is network address translation needed?
Why is network address translation needed?
Network Address Translation allows a single device, such as a router, to act as an agent between the Internet (or “public network”) and a local (or “private”) network. This means that only a single, unique IP address is required to represent an entire group of computers.
Why is Network Address Translation NAT not needed in IPv6?
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. Answers Explanation & Hints: The large number of public IPv6 addresses eliminates the need for NAT.
Is NAT useful in case of IPv6 Why?
The elimination of Nat is not a reason to move to IPv6 – that elimination is neither desirable nor mandated in IPv6 as currently specified. Nat is far from an unmitigated evil, even though some like to portray it that way. In fact, it is a significant contributor to many network security solutions.
How is network addressing used?
Computers on a network use a network address to identify, locate and address other computers. This is used to distinguish a network that has its own hosts and addresses. For example, in the IP address 192.168. 1.0, the network address is 192.168.
Which statement’s about IPv6 addresses are true?
Which statement(s) about IPv6 addresses are true? Explanation: In order to shorten the written length of an IPv6 address, successive fields of zeros may be replaced by double colons. In trying to shorten the address further, leading zeros may also be removed.
What is required to receive an IPv6 address automatically?
DHCP is required to receive an IPv6 address automatically.
Why do we need NAT and how could we remove the need for it?
NAT is now essential when it comes to conserving global address space. The IPv4 protocol, which determines how all devices on the internet communicate, has a limited number of available IP addresses. If every device that connects to the internet required a unique IP address, we would soon run out.
Which of the following are uses of Network Address Translation?
These are not used in organizations as there are many devices that will need Internet access and to provide Internet access, a public IP address is needed. Suppose, if there are 3000 devices that need access to the Internet, the organization has to buy 3000 public addresses that will be very costly.